# 1 Del. Admin. Code § 502: 1 DE Admin. Code 502. Statewide Solid Waste Management Plan

> Delaware · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_DE_ADC_T1_502

## Section

- **Citation:** 1 Del. Admin. Code § 502
- **Heading:** 1 DE Admin. Code 502. Statewide Solid Waste Management Plan
- **Jurisdiction:** Delaware
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Delaware Administrative Code / Title 1 Authorities, Boards and Commissions / 500 Delaware Solid Waste Authority / 1 DE Admin. Code 502

## Text

In 2013, DSWA entered into a contract with ReCommunity Delaware, LLC to operate a single stream materials reclamation facility and a similar contract with Revolution Recovery Delaware, LLC for a construction and demolition materials reclamation facility, both at the Delaware Recycling Center at Pigeon Point.
In 2011 DSWA suspended DSWA curbside recycling program concurrently with the adoption of Delaware’s Universal Recycling law.
Delaware adopted Universal Recycling in 2010, and began to implement the law in 2011. This law requires haulers to provide single stream recycling collection in addition to MSW collection.
The Wilmington Organics Recycling Center was ordered closed by DNREC in October 2014 following numerous permit violations.
Increases in waste generation are expected to be the greatest in Sussex County followed by New Castle County;
Opportunities for increased diversion will be found primarily in residential and commercial sources;
Yard waste will increase as lawns and trees in new developments mature, requiring additional management of these organic wastes; and,
WWTP sludge will increase associated with the new residential and commercial development, with less land available for beneficial use.
Natural disasters, such as a major hurricane or flood, could result in hundreds of thousands of tons of disposal capacity demand (Photo to right is the Spring 2009 flood, Sussex County);
Changes in biosolids regulations or constraints on land application, resulting in the need to landfill wastewater treatment plant sludges; or
A severe outbreak of disease in the poultry industry 11
eneficial use.
Natural disasters, such as a major hurricane or flood, could result in hundreds of thousands of tons of disposal capacity demand (Photo to right is the Spring 2009 flood, Sussex County);
Changes in biosolids regulations or constraints on land application, resulting in the need to landfill wastewater treatment plant sludges; or
A severe outbreak of disease in the poultry industry 11 .
Dover
Lewes
Milford
New Castle
Newark
Rehoboth Beach
Wilmington
Bethany Beach
Refuse Collection Type | Estimated Households Served (1) | % of Total Households (%)
Subscription curbside | 254,650 | 73%
Municipal curbside | 47,350 | 14%
Multi-family (Commercial containerized) | 20,000 | 6%
Use Drop-off Facility | 20,000 | 6%
Mobile homes, condominiums, etc | 5,000 | 1%
Total Households: | 347,000 | 100%
Households | % of Total
Municipal curbside Service (1) | 51,000 | 15%
Subscription curbside(2) | 25,000 | 7%
Total, Curbside Recycling: | 76,000 | 22%
Total Households: | 347,000 | 100%
Material | DSWA | Private Sector
Asphalt | X
Carpet | X
Clean Wood | X | X
Concrete | X
Electronics / Electronic Goods | X | X
Fats, Oil, Grease | X
Fluorescent Bulbs | X | X
Household Hazardous Waste | X | X
Land Clearing (e.g. trees, stumps), mulched | X
Lead Acid Batteries | X | X
Mixed C&D | X | X
Oil Filters | X | X
Other Metals | X | X
Pallets | X | X
Soils and Stone | X
Solvents (Used) | X
Textiles | X | X
Tires | X | X
Used Goods | X
Waste Oil | X | X
White Goods | X | X
Processors and Brokers | Estimated Number of Delaware Based Companies
Agricultural Processing Wastes | 2
Asphalt, Brick & Concrete (ABC) | 4
Construction and Demolition Materials (1) | 12
Batteries | 2
Carpet | 1
Fats, Oil and Grease | 2
Oil | 1
Pallets | 9
Paper | 10
Plastics | 2
Tires | 2
Scrap Metal | 15
Yard waste, mulch and clean wood | 10
Subtotal: | 72
TABLE 2-4 NOTE:
X
White Goods | X | X
Processors and Brokers | Estimated Number of Delaware Based Companies
Agricultural Processing Wastes | 2
Asphalt, Brick & Concrete (ABC) | 4
Construction and Demolition Materials (1) | 12
Batteries | 2
Carpet | 1
Fats, Oil and Grease | 2
Oil | 1
Pallets | 9
Paper | 10
Plastics | 2
Tires | 2
Scrap Metal | 15
Yard waste, mulch and clean wood | 10
Subtotal: | 72
TABLE 2-4 NOTE:
(1) Includes processing of ABC waste and land clearing debris.
Departments of Public Works in the larger cities in Delaware have taken responsibility for the collection of solid waste and recyclables from households.
Private waste management companies are responsible for collection of solid waste from households in the remaining cities and unincorporated areas of Delaware.
Private companies are also responsible for processing and brokering the majority of materials diverted from the solid waste stream for recycling and organics recovery.
DSWA is responsible for development, financing and operation of the majority of transfer and disposal capacity in Delaware.
DSWA has also taken on responsibility for the collection of recyclables and yard waste from households and small businesses in unincorporated areas of the State, and through contract, with some cities in Delaware.
DSWA also operates a system of 180 drop-off centers for the recycling of single stream material such as paper, plastics and glass, with some also offering the recovery of special wastes such as electronics, textiles and waste oil and waste oil filters. DSWA manages and pays for these recycling collection functions to make voluntary recycling available to all Delaware residents.
The Recycling Public Advisory Council (RPAC) was established by Governor Carper’s Executive Order No. 83 in September 2000 (and re-established in 2006 by Executive Order 90). Executive Order 90 established a diversion rate goal of 51 percent for MSW and charged RPAC with advising and assisting DNREC and DSWA in achieving this goal
ns to make voluntary recycling available to all Delaware residents.
The Recycling Public Advisory Council (RPAC) was established by Governor Carper’s Executive Order No. 83 in September 2000 (and re-established in 2006 by Executive Order 90). Executive Order 90 established a diversion rate goal of 51 percent for MSW and charged RPAC with advising and assisting DNREC and DSWA in achieving this goal. In addition, RPAC was tasked with developing tools to measure and report on waste generation and the State of Delaware’s recycling rate.
The Department of Natural Resources and Environmental Control (DNREC) has primary regulatory authority over solid waste management facilities in Delaware.
In fiscal year (2009), DSWA program funding came primarily from landfill tipping fees. Only four percent came from the sale of recyclable materials. However, it is expected that in FY 2010 that there will be a net loss for the sale of recyclable materials given the sharp reductions in materials prices experienced in the first half of FY 2010.
While the sales of recyclable materials brought in revenue to DSWA (at least through FY 2009), the cost of operating the drop-off and curbside programs are significantly greater than the revenue from the sale of materials. The net cost represents, in essence, a $7.7 million subsidy from landfill tipping fees.
Municipal collection programs are paid primarily through municipal tax revenues.
Collection of residential and commercial waste by private waste management companies is paid for through subscription user fees which cover both the collection cost and the tipping fee at DSWA facilities
rom the sale of materials. The net cost represents, in essence, a $7.7 million subsidy from landfill tipping fees.
Municipal collection programs are paid primarily through municipal tax revenues.
Collection of residential and commercial waste by private waste management companies is paid for through subscription user fees which cover both the collection cost and the tipping fee at DSWA facilities .
Method | Action | Implementation
Yard Waste Disposal Ban | Regulation | DSWA, DNREC, Haulers and Landscaping Companies
Backyard Composting and Grasscycling Education | Funding | DSWA, DNREC, and Non-Governmental Organizations (NGO's)
Education at Schools | Funding | DSWA, State Agencies, Contractors, and NGOs
Commercial Waste Reduction | Legislation | DSWA, Business, Haulers and NGOs
Pay-As-You-Throw | Legislation | Haulers
Extended Producer Responsibility For Special Wastes | Legislation | Determined by Legislation
Extended Producer Responsibility For Packaging | Legislation | Determined by Legislation
Recycled (1) | Landfilled (2) | Recovery Rate
Material | (tons) | (tons) | (%)
Newspaper | 7,200 | 25,200 | 22%
Cardboard | 2,300 | 19,900 | 10%
Mixed Paper / Junk Mail / Boxboard | 12,800 | 35,000 | 27%
Subtotal, Paper (3)(4): | 22,300 | 80,100 | 22%
Mixed Glass | 11,400 | 12,000 | 49%
Plastic Bottles - HDPE #2 | 600 | 4,100 | 13%
Plastic Bottles - PET #1 | 700 | 5,300 | 12%
Aluminum and Steel Cans | 800 | 6,400 | 11%
Subtotal, Other Packaging (3)(4): | 13,500 | 27,800 | 33%
Leaf and Yard Waste | 60,000 | 53,400 | 53%
Food Waste | 0 | 44,400 | 0%
Subtotal, Organics: | 60,000 | 97,800 | 38%
TABLE 4-2 NOTES:
(1) The Eighth Annual Report of the Recycling Public Advisory Council, November 2009, Authored by: The Recycling Public Advisory Council.
(2) Delaware Solid Waste Authority Statewide Waste Characterization Study, 2006-2007, Prepared by: Cascadia Consulting Group, DSM Environmental, MSW Consultants. Adjusted for 2008 residential tonnage, and rounded.
ganics: | 60,000 | 97,800 | 38%
TABLE 4-2 NOTES:
(1) The Eighth Annual Report of the Recycling Public Advisory Council, November 2009, Authored by: The Recycling Public Advisory Council.
(2) Delaware Solid Waste Authority Statewide Waste Characterization Study, 2006-2007, Prepared by: Cascadia Consulting Group, DSM Environmental, MSW Consultants. Adjusted for 2008 residential tonnage, and rounded.
(3) Includes 33,300 tons of single stream recyclables (net of contamination) and the balance is glass and mixed paper.
(3) Composition of single stream recycling was estimated based on sorting results in Knoxville, TN (March, 2009). (4) Numbers may not add due to rounding.
Recycled (1) | Landfilled (2) | Recovery Rate
Material | (tons) | (tons) | (%)
Newspaper | 4,000 | 9,600 | 29%
Cardboard | 74,200 | 64,500 | 53%
Mixed Paper | 17,500 | 30,600 | 36%
Subtotal, Paper (3): | 95,700 | 104,700 | 48%
Mixed Glass (3) | 10 | 6,300 | 0.2%
Plastic Bottles (3) | 30 | 6,700 | 0.4%
Aluminum and Steel Cans (3) | 2,060 | 9,200 | 18%
Pallets (4) (5) | 20,900 | 27,500 | 43%
Shrink Wrap/Recoverable Film | 2,000 | 9,600 | 17%
Subtotal, Other Packaging (3): | 25,000 | 59,300 | 30%
Leaf and Yard Waste | 7,200 | 8,400 | 46%
Food Waste | 5,700 | 57,000 | 9%
Compostable Paper | 0 | 33,900 | 0%
Subtotal, Organics: | 12,900 | 99,300 | 11%
TABLE 4-3 NOTES:
(1) State of Delaware Assessment of Municipal Solid Waste Recycling For Calendar Year 2007, Prepared by: DSM Environmental
(2) Delaware Solid Waste Authority Statewide Waste Characterization Study, 2006-2007, Prepared by: Cascadia Consulting Group, DSM Environmental, MSW Consultants. Adjusted for 2008 residential tonnage, and rounded.
(3) Includes 4387 tons of single stream recyclables, which is assumed to be mostly cardboard and mixed paper (with some glass, newspaper, plastic bottles and aluminum cans) and accounted for in these material categories.
(4) Includes pallets recovered for remanufacturing so not classified as MSW recovery
Group, DSM Environmental, MSW Consultants. Adjusted for 2008 residential tonnage, and rounded.
(3) Includes 4387 tons of single stream recyclables, which is assumed to be mostly cardboard and mixed paper (with some glass, newspaper, plastic bottles and aluminum cans) and accounted for in these material categories.
(4) Includes pallets recovered for remanufacturing so not classified as MSW recovery
(5) Includes pallets disposed with C&D waste in commercial disposal.
(6) Numbers may not add due to rounding.
Ban cardboard (except for de-minimis quantities) from disposal at all DSWA disposal facilities;
Make single stream collection at competitive prices available statewide to the commercial sector as well as to households;
Mandate glass and aluminum recycling at bars and restaurants based on the successful North Carolina mandatory recycling for all establishments with a liquor license;
Mandate the provision of plastic bag and clean film collection programs for consumers at all grocers and retailers over a certain square footage; and,
Offer free, or reduced rate, commercial waste audits to enable businesses to restructure hauling contracts to maximize the value of diversion from disposal.
Increase special event recycling (e.g., NASCAR, State Fair)
Autoclave with mechanical processing
Aerobic composting
Anaerobic digestion
Waste-to-Energy
Gasification
Plasma Arc
Readiness and Reliability : How confident can the State be that if a full size facility were built, it would operate effectively – technologies that are incorporated in multiple commercial facilities that have operated reasonably successfully over a reasonable period of time received the highest rankings.
Inputs and Pre-processing : Technologies that had demonstrated the ability to process wastes critical to reducing Cherry Island landfill demand received the highest rankings. Critical waste streams were: residential, commercial and industrial MSW; sewage sludge; tires; and, yard wastes
lities that have operated reasonably successfully over a reasonable period of time received the highest rankings.
Inputs and Pre-processing : Technologies that had demonstrated the ability to process wastes critical to reducing Cherry Island landfill demand received the highest rankings. Critical waste streams were: residential, commercial and industrial MSW; sewage sludge; tires; and, yard wastes. These technologies were also ranked with respect to how much pre-processing was necessary to process each of these waste streams, with technologies requiring less pre-processing ranked higher.
Potential Public Health and Nuisance, Environmental, and Worker Safety Risks : The fewer potential health risks that could result from a facilities operation, the higher the ranking. Higher rankings were also given to facilities with the lowest greenhouse gas emissions, and with low discharge of contaminated waste water. Finally, facilities with lowest potential risk to workers were ranked highest.
Energy Balance : Facilities that had the highest net energy output – the comparison between the amount of energy required to operate the process to the amount of usable energy that is obtained from the process - ranked the highest.
Materials Balance: Facilities that had the lowest ratio of residuals when compared to the input feedstock ranked highest.
Economics: Facilities that had the lowest net cost, after accounting for capital and operating costs and projected revenues ranked highest.
Legal and Policy Issues: The Working Group’s primary concerns included the Coastal Zone Act which restricts heavy industry but not a “recycling plant”; the specific prohibition on construction of an incinerator within 3 miles of a school, church or residence; and, the need to implement flow control to guarantee sufficient waste to finance the facility
g costs and projected revenues ranked highest.
Legal and Policy Issues: The Working Group’s primary concerns included the Coastal Zone Act which restricts heavy industry but not a “recycling plant”; the specific prohibition on construction of an incinerator within 3 miles of a school, church or residence; and, the need to implement flow control to guarantee sufficient waste to finance the facility.
More decomposition occurs, reducing the amount of solid material which must be managed after decomposition;
Anaerobic digestion can operate under a much wider range of moisture content – thus being better able to accommodate sewage sludges;
Anaerobic digesters are alleged to be able to handle higher concentrations of non-organic materials; and,
Anaerobic digesters produce energy which has more value when compared to compost.
The technology is proven, with many plants having operated for over 20 years in the United States;
Mass burn waste-to-energy facilities can accept mixed MSW as it is currently delivered to a landfill, with virtually no pre-processing;
The volume reduction of MSW is in the range of 85 to 90 percent, which is the highest of all waste processing technologies, significantly increasing the potential lifetime of DSWA’s landfills;
There is a large database of emissions test results for the existing plants as well as a large body of analysis on the environmental impacts of waste-to-energy plants, both in the United States, and in Europe and Asia; and,
Waste-to-energy plants produce a significant fraction of their energy using organic waste streams which do not contribute to net greenhouse gas emissions.
Waste-to-energy facilities are very capital intensive, requiring large quantities of waste and long-term financing, typically resulting in tipping fees that are higher than for landfilling.
There is significant disagreement as to the long-term environmental impacts of waste-to-energy facilities despite the large body of data on operating plants
ch do not contribute to net greenhouse gas emissions.
Waste-to-energy facilities are very capital intensive, requiring large quantities of waste and long-term financing, typically resulting in tipping fees that are higher than for landfilling.
There is significant disagreement as to the long-term environmental impacts of waste-to-energy facilities despite the large body of data on operating plants. Many environmentalists argue that dioxin and furan emissions, together with emissions of volatile metals, such as mercury, are a significant environmental risk.
Waste-to-energy development in Delaware would require legislative action to repeal the S.B. 280, An Act to Amend Title 7 of the Delaware Code Relating to Incinerators, which “prohibits construction of incinerators with any area that is within 3 miles of a school, church or residence”. This restriction makes it practically impossible to site a waste-to-energy facility in Delaware.
Carbon dioxide emissions from the aerobic bacterial decomposition of wastes are considered biogenic and therefore do not count as reportable greenhouse gas emissions under the 1605(b) Program.
Methane emissions from the anaerobic bacterial decomposition of wastes are considered anthropogenic and should be included in estimates of greenhouse gas emissions.
Carbon dioxide emissions from flaring methane derived from wastes are considered biogenic and need not be reported since they will result in net-zero carbon dioxide emissions.
Carbon dioxide emissions from combusting methane in landfill gas for energy purposes (e.g., heat, electricity generation) are considered biogenic and should not be included in estimates of greenhouse gas emissions. Electricity and heat generated from waste-derived methane may, under the circumstances specified by the General Guidelines, result in an emission reduction or “avoided emissions” by displacing electricity or heat generated through fossil fuel combustion, see Chapter 2, Emission Reductions
icity generation) are considered biogenic and should not be included in estimates of greenhouse gas emissions. Electricity and heat generated from waste-derived methane may, under the circumstances specified by the General Guidelines, result in an emission reduction or “avoided emissions” by displacing electricity or heat generated through fossil fuel combustion, see Chapter 2, Emission Reductions.
Treatment of emissions from the combustion of waste matter for energy is dependent on the nature of the waste matter. Carbon dioxide emissions from the combustion of organic waste matter are considered biogenic, and therefore are not to be included in estimates of greenhouse gas emissions. Carbon dioxide emissions from the combustion of inorganic, or petroleum-derived waste matter, however, are considered anthropogenic and should be estimated using the methods described in Part C, “Stationary Combustion.”
Current (1) | Future (2) | Increase
Materials | (tons) | (tons) | (%)
Paper
Newspaper | 11,200 | 34,000 | 204%
Cardboard | 76,500 | 121,600 | 59%
Mixed Paper | 30,300 | 71,000 | 134%
Packaging
Containers (3) | 15,600 | 47,920 | 207%
Pallets (4) | 20,900 | 37,600 | 80%
Shrink Wrap/Film | 2,000 | 7,800 | 290%
Organics
Food Waste | 5,700 | 72,000 | 1163%
Leaf and Yard Waste | 67,200 | 119,000 | 77%
Trees and Branches | 55,200 | 55,200 | 0%
Compostable Paper | 0 | 35,900
Other MSW
Vehicle Wastes | 13,160 | 13,160 | 0%
Special Wastes (5) | 5,290 | 29,135 | 451%
C&D
Clean Gypsum | (2) | 24,000 | (2)
Clean Wood | (2) | 36,000 | (2)
Other Wood, Except Treated | (2) | 60,000 | (2)
Mixed C&D | 59,640 | 98,000 | 64%
Asphalt, Concrete, Soils, Stone and Land Clearing | 861,700 | 861,700 | 0%
Other Material Categories
Other Organics (6) | 482,200 | 482,300 | 0%
Metals | 98,420 | 123,000 | 25%
Industrial Waste (7) | 247,250 | 247,550 | 0%
Total, All Materials: | 2,052,000 | 2,577,000 | 26%
TABLE 7-2 NOTES:
(1) All recovery estimates are rounded. Numbers may not add due to rounding.
xed C&D | 59,640 | 98,000 | 64%
Asphalt, Concrete, Soils, Stone and Land Clearing | 861,700 | 861,700 | 0%
Other Material Categories
Other Organics (6) | 482,200 | 482,300 | 0%
Metals | 98,420 | 123,000 | 25%
Industrial Waste (7) | 247,250 | 247,550 | 0%
Total, All Materials: | 2,052,000 | 2,577,000 | 26%
TABLE 7-2 NOTES:
(1) All recovery estimates are rounded. Numbers may not add due to rounding.
(2) Included in mixed C&D for current recovery. Increases cannot be calculated.
(3) Glass, aluminum, steel and plastic bottles and cans.
(4) Includes pallets not classified as MSW recovery in total recovery.
(5) Carpet, textiles, and electronics.
(6) Poultry waste, poultry litter, and food processing wastes.
(7) Mixed plastics, biosolids, bottom and fly ash and slag.
Current | Projected | Change
Major Material Category | (tons) | (tons) | (%)
Paper | 118,000 | 226,600 | 92%
Packaging | 38,500 | 93,320 | 142%
Vehicle/Special Wastes | 18,450 | 42,295 | 129%
Organics (1) | 610,300 | 764,400 | 25%
Metals | 98,420 | 123,000 | 25%
C&D Materials (2) | 921,340 | 1,079,700 | 17%
Industrial Waste | 247,250 | 247,550 | 0%
Total Recovery: | 2,052,000 | 2,577,000 | 26%
Disposal: | 1,094,600 | 570,000 | -48%
Diversion Rate: | 65% | 82%
TABLE 7-3 NOTES:
(1) Includes food, yard waste, tree, compostable paper and poultry wastes and litter accounted for in Table 7-2.
(2) Includes all C&D Materials shown in Table 7-2.
Implementation of the Yard Waste Disposal Ban at Sandtown and Jones Crossroads Landfills - Permit conditions can be imposed by DNREC, with DSWA enforcing the ban through its existing enforcement with cooperation with DNREC, and DSWA and the private sector developing yard waste composting facilities as an alternative to disposal. This has been proven to work successfully in New Castle County, and should be successful in Kent and Sussex County.
Backyard Composting and Grasscycling Education and Technical Assistance – This measure should be implemented immediately as the benefits are large, at a relatively low cost
REC, and DSWA and the private sector developing yard waste composting facilities as an alternative to disposal. This has been proven to work successfully in New Castle County, and should be successful in Kent and Sussex County.
Backyard Composting and Grasscycling Education and Technical Assistance – This measure should be implemented immediately as the benefits are large, at a relatively low cost. DSWA, DNREC and private haulers can all play a role in promotion and education of the importance of leaving grass clippings on the lawn, and composting of food wastes and yard wastes in backyard composters wherever feasible.
Commercial Waste Reduction Technical Assistance - Waste audits, workshops and assistance with hauling contract modifications are all necessary to help businesses maximize the economic advantages of diversion and waste reduction. A number of State agencies that already work with businesses can also be involved in this effort.
School Waste Reduction Education Programs – The DSWA, State Agencies and Non-Governmental Organizations (NGO’s, Northeast Recycling Council) can increase outreach to schools as part of its efforts to reduce generation and increase recycling.
Extended Producer Responsibility for Special Wastes – While DSWA will continue to offer programs for special wastes, significant reductions in waste generation and disposal will require the Legislature to adopt product stewardship (EPR) framework legislation requiring take back programs for specific wastes, like electronic goods and pharmaceuticals. A number of states have already enacted framework legislation and/or are working on EPR legislation for specific materials.
Extended Producer Responsibility (EPR) for Packaging – As discussed above, new funding sources will be necessary to develop the infrastructure, and fund the higher operating costs, associated with aggressive increases in materials recovery rates
nic goods and pharmaceuticals. A number of states have already enacted framework legislation and/or are working on EPR legislation for specific materials.
Extended Producer Responsibility (EPR) for Packaging – As discussed above, new funding sources will be necessary to develop the infrastructure, and fund the higher operating costs, associated with aggressive increases in materials recovery rates. EPR for product packaging is already in place throughout Europe, parts of Asia, and the majority of Canadian provinces, and could provide necessary revenues for financing recycling infrastructure investments and market development for new materials. This EPR should be as broadly based as possible to assure involvement by all product packagers, and will require Legislative action. Legislation enacting EPR for packaging and paper can be structured to reduce future packaging wastes and increase the recovery of packaging through the provision of incentives for packaging producers to reduce packaging and to increase the recyclability of the remaining packaging. The German Packaging Ordinance has demonstrated that a properly structured packaging law can significantly reduce packaging waste even in the face of economic growth. 37
Residential Leaf and Yard Waste Collection – While much of the yard waste currently disposed of at landfills can be properly managed by homeowners on-site, there will still be households who require an off-site management option. DSWA currently offers yard waste collection on a PAYT basis, and private haulers are more likely to choose to bundle this service with refuse and recycling collection with the implementation of universal recycling.
Universal Recycling Collection – To achieve the high diversion rates necessary to meet zero waste goals it will be necessary to move from the current estimate of roughly 22 percent of Delaware households with curbside recycling to 90 percent with parallel collection of refuse and recycling. This could potentially have a large impact on residential recycling
e implementation of universal recycling.
Universal Recycling Collection – To achieve the high diversion rates necessary to meet zero waste goals it will be necessary to move from the current estimate of roughly 22 percent of Delaware households with curbside recycling to 90 percent with parallel collection of refuse and recycling. This could potentially have a large impact on residential recycling. Because the private sector collects refuse from the majority of households in Delaware, the logical way to achieve parallel collection is through a universal recycling requirement. This can only be achieved by legislation requiring that all private haulers collecting refuse from households also be required to provide curbside collection of recyclables, with the cost embedded in the refuse collection charge. DSWA is prepared to provide the processing and/or transfer capability to accept single stream recyclables at its designated facilities if the private sector can not. However, because DSWA will not be requiring that all residential recyclables be delivered to DSWA facilities, it will become even more important that the Legislature enact mandatory reporting requirements from all businesses collecting recyclables to ensure that RPAC can continue to measure success toward meeting the recycling rate goals laid out in this Plan.
Drop-off Recycling – Implementation of universal curbside recycling should allow DSWA to cut back on the number of drop-off centers available throughout Delaware. However, key drop-off centers with high user counts should be maintained to accommodate those households without curbside collection, and to provide a location to drop off special wastes not collected curbside (e.g., waste oil and filters and used textiles). These drop-off centers would continue to be funded primarily through DSWA revenues generated by landfill tipping fees
le throughout Delaware. However, key drop-off centers with high user counts should be maintained to accommodate those households without curbside collection, and to provide a location to drop off special wastes not collected curbside (e.g., waste oil and filters and used textiles). These drop-off centers would continue to be funded primarily through DSWA revenues generated by landfill tipping fees.
Permanent Collection Sites for HHW – DSWA is currently investigating the potential to develop permanent HHW collection sites at existing manned facilities to augment HHW collection in Delaware.
Mandatory Recycling for Multifamily Buildings - Private haulers servicing multifamily buildings will need to offer containers for single stream recycling as part of their service contract. This will also require Legislative action.
Pay-As-You-Throw (PAYT) Pricing - Residential refuse collection funded by PAYT is the proven method for increasing recycling, having been implemented in over 7000 communities throughout the United States, resulting in an average 25 percent reduction in materials going to landfill. Implementation of universal PAYT would require Legislative action, although most private haulers currently charge a monthly fee, which could be modified to a variable rate if mandated by the Legislature 38 .
Mandate on Commercial Cardboard Recycling – Cardboard remains one of the largest single waste streams entering DSWA facilities despite RPAC’s annual recycling surveys consistently show that most commercial establishments already have separate cardboard collection. Because the infrastructure is already in place, and because good markets exist for cardboard, this action should not be a significant hardship to most businesses in Delaware. The mandate would require either specific legislation.
Provision of Single Stream Collection to the Commercial Sector – Private waste haulers could provide this service, with DSWA providing the processing/transfer capacity for the single stream materials
already in place, and because good markets exist for cardboard, this action should not be a significant hardship to most businesses in Delaware. The mandate would require either specific legislation.
Provision of Single Stream Collection to the Commercial Sector – Private waste haulers could provide this service, with DSWA providing the processing/transfer capacity for the single stream materials.
Mandate Glass and Aluminum Recycling at Bars and Restaurants - North Carolina has successfully implemented a mandatory recycling requirement for all bars and restaurants with a liquor license. This would require Legislative action.
Implementation of Cost Competitive Food Waste Collection and Processing - It is clear from an analysis of the waste stream that moving toward zero waste goals will require a significant emphasis on increased organics diversion. The recent opening of the Wilmington Organics Recycling Center with 120,000 annual tons of food waste processing capacity and an additional 40,000 annual tons of yard waste processing capacity provides privately financed and operated capacity for much of Delaware’s organics, especially when combined with the Blessing composting facility in southern Delaware. The key will be separate collection and processing at a cost that is competitive with disposal.
Collection of food wastes from large commercial generators – Collection of food waste from generators such as supermarkets and large restaurants and institutions will be the most cost effective way to divert significant quantities of food wastes. This might be accomplished through waste audits that assist generators in setting up on-site procedures to separate and store food waste, and to restructure hauling contacts that minimize added collection costs and allow any disposal savings to be realized. DSWA and DNREC can work with collection and processing stakeholders to provide technical assistance under existing programs
es of food wastes. This might be accomplished through waste audits that assist generators in setting up on-site procedures to separate and store food waste, and to restructure hauling contacts that minimize added collection costs and allow any disposal savings to be realized. DSWA and DNREC can work with collection and processing stakeholders to provide technical assistance under existing programs.
Separate Collection of Residential Food Waste - To meet the zero waste goals it will eventually be necessary to require diversion of residential food waste as well. Municipalities and the private sector will have to take the lead in organizing separate collection of residential food waste, adding collection in densely populated areas, particularly if the collection can be organized to allow for weekly food waste and every other week residuals and other recyclables
Continue Grinding of C&D Waste for Landfill Cover -.DSWA should continue to grind mixed C&D wastes for landfill cover and working face road construction.
Support and development of markets for clean gypsum - Clean gypsum is estimated to represent 11 percent of C&D disposal and can be recovered for recycling to new gypsum wallboard, land application as a soil amendment, and as an additive to a number of materials. Given the potential for gypsum to contribute to hydrogen sulfide emissions at landfills, DNREC should consider mandatory recycling by contractors of clean gypsum, with DSWA developing alternative uses for the separated material.
Support and development of markets for clean wood – Continued development of processing capacity to separate clean wood from painted and treated wood is necessary to move this material to its highest and best use. Given the location of the DRPI landfill near the Cherry Island landfill, it may be feasible for Delaware to attract a C&D processor interested in recovering clean wood from C&D loads for use as mulch or fuel
nt of markets for clean wood – Continued development of processing capacity to separate clean wood from painted and treated wood is necessary to move this material to its highest and best use. Given the location of the DRPI landfill near the Cherry Island landfill, it may be feasible for Delaware to attract a C&D processor interested in recovering clean wood from C&D loads for use as mulch or fuel.
Universal Recycling legislation is passed, and therefore access to and participation in residential curbside recycling and commercial recycling greatly expands throughout the State;
Yard waste bans are enacted at the Sandtown and Jones Crossroads landfills; and,
Food waste diversion from commercial generators is significantly increased through cost competitive collection services (see description earlier in this Section of the Plan) and through an investment in targeted marketing and education to large food generators.
DIVERSION | Current | Mid | 10 years
Year | 2009 | 2015 | 2020
Major Measures | (tons) | (tons) | (tons)
Universal Recycling | 30,800 | 68,500 | 105,800
Yard Waste Diversion | 67,200 | 91,300 | 119,000
Food Waste Composting | 5,700 | 35,000 | 72,000
Subtotal: | 103,700 | 194,800 | 296,800
Universal Recycling Requirement – In order to assure a level playing field for all waste haulers it will be necessary for the Legislature to enact a universal recycling requirement. DSWA budget projections assume Legislative action on this critical requirement in 2010.
Reporting Requirement - One key legislative initiative critical to this Plan is enactment of mandatory reporting of recycling quantities by all generators and brokers in Delaware. With enactment of universal recycling DSWA will lose the ability to track residential recycling quantities because DSWA will not be collecting these recyclables and may or may not handle the material that is collected. In addition, this Plan relies on significant increases in organics diversion, much of which will not go through DSWA facilities
quantities by all generators and brokers in Delaware. With enactment of universal recycling DSWA will lose the ability to track residential recycling quantities because DSWA will not be collecting these recyclables and may or may not handle the material that is collected. In addition, this Plan relies on significant increases in organics diversion, much of which will not go through DSWA facilities. Only a mandatory reporting requirement (with appropriate confidentiality restrictions) will allow RPAC to accurately report on progress toward achieving the goals outlined in this Plan.
PAYT System – As with universal recycling, a PAYT system will require Legislative action to assure that all private haulers provide the same services to their customers at free market prices.
Commodity | Tons Recycled | Tons Landfilled | Tons Composted | Total MTCE
Aluminum Cans | 339 | 7,961 | NA | (1,176)
Steel Cans | 2,463 | 7,637 | NA | (1,127)
Glass | 11,366 | 18,334 | NA | (672)
HDPE | 658 | 8,912 | NA | (158)
PET | 526 | 7,304 | NA | (146)
Corrugated Cardboard | 73,677 | 88,323 | NA | (53,102)
Newspaper | 10,934 | 34,766 | NA | (16,623)
Food Scraps | NA | 101,450 | 5,650 | 19,437
Yard Trimmings | NA | 65,191 | 67,109 | (6,877)
Branches | NA | 1,452 | 56,748 | (3,263)
Mixed Paper, Residuals | 12,803 | 35,000 | NA | (10,033)
Mixed Paper, Office | 16,311 | 30,600 | NA | (11,630)
GHG Emissions from Current Recovery (MTCE): | (85,425)
Commodity | Tons Source Reduced | Tons Recycled | Tons Landfilled | Tons Composted | Total MTCE
Aluminum Cans | 0 | 5,000 | 3,300 | NA | (18,552)
Steel Cans | 0 | 5,620 | 4,480 | NA | (2,707)
Glass | 0 | 24,000 | 5,700 | NA | (1,765)
HDPE | 0 | 5,000 | 4,570 | NA | (1,866)
PET | 0 | 5,000 | 2,830 | NA | (2,085)
Corrugated Cardboard | 0 | 121,600 | 40,400 | NA | (98,688)
Newspaper | 0 | 34,000 | 11,700 | NA | (28,719)
Food Scraps | 8,000 | NA | 27,100 | 72,000 | 1,383
Yard Trimmings | 0 | NA | 13,300 | 119,000 | (7,094)
Branches | 0 | NA | 5,527 | 52,673 | (3,594)
Mixed Paper, Residuals | NA | 39,500 | 8,
| 5,700 | NA | (1,765)
HDPE | 0 | 5,000 | 4,570 | NA | (1,866)
PET | 0 | 5,000 | 2,830 | NA | (2,085)
Corrugated Cardboard | 0 | 121,600 | 40,400 | NA | (98,688)
Newspaper | 0 | 34,000 | 11,700 | NA | (28,719)
Food Scraps | 8,000 | NA | 27,100 | 72,000 | 1,383
Yard Trimmings | 0 | NA | 13,300 | 119,000 | (7,094)
Branches | 0 | NA | 5,527 | 52,673 | (3,594)
Mixed Paper, Residuals | NA | 39,500 | 8,303 | NA | (37,243)
Mixed Paper, Office | NA | 31,500 | 15,411 | NA | (27,570)
GHG Emissions from Future Recovery (MTCE): | (228,499)
The reduction in tonnage to landfill allows DSWA to keep existing cells open longer, reducing the annual capital cost of closing cells and opening new cells. 43
The universal recycling requirement will allow DSWA to eliminate subsidies to its current curbside recycling collection system because all private haulers and municipalities will now be collecting recyclables curbside as part of their refuse collection program.
Universal curbside recycling will also allow DSWA to close down drop-off locations, leaving the most heavily used and central sites for those households without curbside collection, and for management of special wastes. This will provide additional cost savings to DSWA.
DSWA’s recent proposed increases in tipping fees helps bridge the gap in revenues associated with the existing decreases in tonnages experienced as a result of the economic recession, and the new debt service associated with new cell development at the Sandtown and Jones Crossroads landfills.
The goals outlined in this plan are not met, and waste disposal at DSWA facilities increase at the rate of population growth over the next ten years;
The goals outlined in the plan are partially met, allowing deliveries to DSWA facilities to remain flat through 2020.
The goals outlined in this Plan are met, resulting in disposal in the interim year 2015 (FY 2016) of 760,600 tons, and 520,000 tons by 2020, as shown in Appendix Table A-6
met, and waste disposal at DSWA facilities increase at the rate of population growth over the next ten years;
The goals outlined in the plan are partially met, allowing deliveries to DSWA facilities to remain flat through 2020.
The goals outlined in this Plan are met, resulting in disposal in the interim year 2015 (FY 2016) of 760,600 tons, and 520,000 tons by 2020, as shown in Appendix Table A-6.
Continued reductions in the number of recycling drop-off locations as universal recycling becomes fully implemented. This provides additional cost savings to DSWA.
Commissioning two materials recovery facilities at the Delaware Recycling Center at Pigeon Point that are managed by private firms and that provide an additional source of revenue to the DSWA.
Exploration of and pursuit of other sources of revenue, such as the sale of landfill gas and the use of closed cells to site solar energy facilities.
Discounts applicable to persons or entities that enter into contractual arrangements with DSWA to bring Delaware solid waste to DSWA facilities as well as to provide services that are beneficial to Delaware communities and the environment but which might not typically be provided by the private sector.
Use of flexible tipping fee schedules for specified materials to allow DSWA to respond nimbly to market and facility conditions.
Disposal fees for special wastes that take into account the requirements, costs and manpower associated with the disposal of such wastes.
CATEGORY | DESCRIPTION
MSW and C&D DISPOSAL:
SOLID WASTE DIRECT: | Solid Waste received for landfilling
PTCTS WASTE TRANSFER: | Solid Waste hauled from the PTCTS to the CSWMC for landfilling.
MTS WASTE TRANSFER (Central): | Solid Waste hauled from the MTS to the CSWMC for landfilling.
RT5 TS WASTE TRANSFER (Southern): | Solid Waste hauled from the RT5 TS to the SSWMC for landfilling.
C&D WASTE: | Material weighed in as C&D materials by the weighmaster, and disposed on-site
e received for landfilling
PTCTS WASTE TRANSFER: | Solid Waste hauled from the PTCTS to the CSWMC for landfilling.
MTS WASTE TRANSFER (Central): | Solid Waste hauled from the MTS to the CSWMC for landfilling.
RT5 TS WASTE TRANSFER (Southern): | Solid Waste hauled from the RT5 TS to the SSWMC for landfilling.
C&D WASTE: | Material weighed in as C&D materials by the weighmaster, and disposed on-site.
DRYWALL, C&D, YW REJECTS (Southern Only): | Includes rejects from the drywall, C&D, and yardwaste stockpile areas that were landfilled.
OTHER WASTE DISPOSAL:
YARDWASTE REJECTS (Central and Northern): | Off-specification material dropped of at the yardwaste stockpile area for disposal in the landfill.
SHREDDED TIRES TO LF: | Shredded tires sent to the landfill
RDP DEBRIS: | Debris picked up at DSWA Recycle Delaware sites for disposal in the landfill.
12TH ST CLEANUP, MISC DEBRIS: | Trash picked up along a portion of 12th street by DSWA or contractor under permit requirement.
ASBESTOS: | All asbestos materials landfilled.
OTHER WASTES TO LANDFILL: | Certain special wastes that are individually tracked and not accounted elsewhere.
SPECIAL WASTES: | Sludge, contaminated soil, industrial wastes, and other special wastes landfilled under DSWA policies.
DNREC YW SITE DEBRIS: | Debris from DSWA yard waste drop-offs.
DSWA DEBRIS (Most from Northern): | Debris from DSWA onsite operations and construction for disposal in the landfill.
DIVERSION | Current | Mid | 10 years
Year | 2009 | 2015 | 2020
Major Measures | (tons) | (tons) | (tons)
Universal Recycling | 30,800 | 68,500 | 105,800
Yard Waste Diversion | 67,200 | 91,300 | 119,000
Food Waste Composting | 5,700 | 35,000 | 72,000
Subtotal: | 103,700 | 194,800 | 296,800
Other Measures
Commercial Recycling (Packaging) | 125,700 | 150,800 | 215,000
Special Waste (1) | 5,290 | 6,600 | 29,100
C&D (2) | 921,340 | 1,013,500 | 1,079,700
Trees, Branches and Comp
| (tons) | (tons) | (tons)
Universal Recycling | 30,800 | 68,500 | 105,800
Yard Waste Diversion | 67,200 | 91,300 | 119,000
Food Waste Composting | 5,700 | 35,000 | 72,000
Subtotal: | 103,700 | 194,800 | 296,800
Other Measures
Commercial Recycling (Packaging) | 125,700 | 150,800 | 215,000
Special Waste (1) | 5,290 | 6,600 | 29,100
C&D (2) | 921,340 | 1,013,500 | 1,079,700
Trees, Branches and Comp. Paper | 55,200 | 69,000 | 91,100
Other Metals | 98,420 | 108,300 | 123,000
Subtotal: | 1,205,950 | 1,348,200 | 1,537,900
No Change
All Other (3) | 742,610 | 742,610 | 742,610
Total Diverted: | 2,052,000 | 2,286,000 | 2,577,000
DISPOSAL
Total Disposed | 1,094,600 | 860,600 | 570,000
DRPI Landfill | 125,000 | 100,000 | 50,000
Total DSWA Landfills | 969,600 | 760,600 | 520,000
Recycling/Diversion Rate (4): | 65% | 73% | 82%
TABLE A-6 NOTES:
(1) Carpet, textiles, and electronics which are targeted more aggressively in years 5-10.
(2) Increase mainly due to wood, gypsum, and mixed C&D diversion and recycling.
(3) Vehicle wastes, Poultry waste and litter, food processing wastes, biosolids, mixed plastics, bottom and fly ash and slag.
(4) Some material diversion is beneficial use and not classified as recycling.
Statutory Authority: 7 Delaware Code,
Section 6403 (7 Del.C. §6403)
Statewide Solid Waste Management Plan
For Delaware:
Moving Toward Zero Waste
INTRODUCTION
Purpose and History
Preface to 2015 Amendments
This Statewide Solid Waste Management Plan adopted on May 1, 2010, restated in its entirety the prior version of the Statewide Solid Waste Management Plan originally adopted in 1994 and amended in 1999. In the intervening five years since the adoption of this plan, many events and circumstances have occurred which render obsolete a number of the discussions and descriptions contained herein. For example:
While these changes are worthy of note, the majority of material and information in this Statewide Solid Waste Management Plan remains relevant
lan originally adopted in 1994 and amended in 1999. In the intervening five years since the adoption of this plan, many events and circumstances have occurred which render obsolete a number of the discussions and descriptions contained herein. For example:
While these changes are worthy of note, the majority of material and information in this Statewide Solid Waste Management Plan remains relevant. The 2015 amendments are intended to capture DSWA’s decision to direct, by regulation, all Delaware solid waste to DSWA designated facilities in conjunction with implementation of a new Discount Disposal Fee Agreement.
19 DE Reg. 616 (01/01/16)
Purpose
The enactment in 1975 of Title 7, Chapter 64 of the Delaware Code made the Delaware Solid Waste Authority (DSWA) responsible for developing, adopting and implementing the Statewide Waste Management Plan for Delaware. DSWA last adopted a Statewide Plan in May, 1994. An amendment to the 1994 Plan was adopted by the DSWA in March, 1999.
House Joint Resolution No. 5 was proposed during the 2009 Legislative Session requesting that the Department of Natural Resources and Environmental Control (DNREC) and DSWA “enter into discussions leading to a plan with enabling legislation to be delivered to the Legislature of the State of Delaware”.
DSWA agreed with DNREC that DSWA would develop a statewide solid waste management plan incorporating zero waste principles for review by DNREC and presentation to the General Assembly. This document represents DSWA’s ten-year plan, incorporating zero waste principles to provide the framework for actions taken by DSWA and other stakeholders in Delaware to maximize recycling and diversion of materials from landfill disposal.
History
Prior to the establishment of DSWA, a disjointed system of public and private collection and disposal existed throughout Delaware. Delaware had no significant public recycling programs and minimal private recycling companies
inciples to provide the framework for actions taken by DSWA and other stakeholders in Delaware to maximize recycling and diversion of materials from landfill disposal.
History
Prior to the establishment of DSWA, a disjointed system of public and private collection and disposal existed throughout Delaware. Delaware had no significant public recycling programs and minimal private recycling companies.
Growth of population led to an increased quantity and complexity of solid waste generation, which made waste disposal problems acute in the densely populated areas. In less densely populated areas, the protection of the groundwater and wetlands were not a consideration in the disposal of solid waste.
The counties and municipalities turned to the State for solutions to their solid waste disposal problems. The State Legislature established The Delaware Solid Waste Authority (DSWA) on August 12, 1975, based on a recommendation from DNREC in a document entitled, “State Plan for Solid Waste Management”.
DSWA is a public instrumentality of the State of Delaware, directed by statute to establish various programs related to the management of solid waste in a manner which best serves the citizens of the State and enhances protection of the environment. The establishment and implementation of programs for the management of solid waste must be consistent with DSWA’s Statewide Solid Waste Management Plan (Plan).
i-ii
The Plan consists of the establishment of policies and goals, together with identification of programs necessary to implement the policies and goals, directed from a State level in order for DSWA to execute them. The Plan is intended to address the roles and responsibilities of DSWA in solid waste disposal and recycling diversion activities as they relate to public bodies (State, counties, municipalities) and private enterprise. This Plan is based on Zero Waste Principles
identification of programs necessary to implement the policies and goals, directed from a State level in order for DSWA to execute them. The Plan is intended to address the roles and responsibilities of DSWA in solid waste disposal and recycling diversion activities as they relate to public bodies (State, counties, municipalities) and private enterprise. This Plan is based on Zero Waste Principles. According to the Zero Waste Alliance:
“Zero Waste is a goal that is ethical, economical, efficient and visionary, to guide people in changing their lifestyles and practices to emulate sustainable natural cycles, where all discarded materials are deigned to become resources for others to use.
Zero Waste means designing and managing products and processes to systematically avoid and eliminate the volume and toxicity of waste and materials, conserve and recover all resources, and not burn or bury them.
Implementing Zero Waste will eliminate all discharges to land, water or air that are a threat to planetary, human, animal or plant health.” 1
CHAPTER 1
Waste Generation and Demographics
Introduction
DSWA is ultimately responsible for managing the solid waste generated in Delaware. While DSWA has some capacity to slow the quantities delivered to its’ transfer stations and landfills through waste diversion programs, much of the demand for DSWA disposal capacity is driven by population and economic growth, as well as decisions by Delawareans to recover materials that would otherwise go to landfill.
DSWA began accepting waste for disposal in 1980. Since its inception, DSWA has been faced with significant growth in population and economic activity, and resulting growth in solid waste requiring disposal.
Figure 1-1 Delaware Population Growth and Projections, 1900 – 2030
As illustrated by Figure 1-1 the population of Delaware has almost doubled between 1970 and 2008, and the growth rate has continued unabated since DSWA’s last solid waste management plan was released in 1994 (as amended in 1999)
cant growth in population and economic activity, and resulting growth in solid waste requiring disposal.
Figure 1-1 Delaware Population Growth and Projections, 1900 – 2030
As illustrated by Figure 1-1 the population of Delaware has almost doubled between 1970 and 2008, and the growth rate has continued unabated since DSWA’s last solid waste management plan was released in 1994 (as amended in 1999). In fact, between 1990 and 2000 Delaware was the 13 th fastest growing state in the United States. 2
The majority of growth in Delaware has been due to net immigration, as illustrated by Figure 1-2, as opposed to natural increases (the red line in Figure 1-2) associated with births and deaths which have remained relatively flat over the past 30 years.
Figure 1-2 Sources of Population Growth in Delaware, 1970 - 2002
(Source: Center for Applied Demography and Survey Research, University of Delaware)
These high growth rates have significantly impacted DSWA’s facility planning. For example, DSWA’s 1994 Plan reported that residential tonnage had increased at an annual compounded rate of 5.7 percent per year between 1985 and 1990, and industrial and commercial waste had increased at a rate of approximately 11.5 percent per year. 3
Annual growth in residential and commercial waste disposal at DSWA facilities continued through 2006, as illustrated by Figure 1-3, but has dropped significantly since 2006, primarily as a result of slowing economic activity associated with the current recession, but also as a result of new single stream curbside collection programs implemented by DSWA and the City of Wilmington.
Figure 1-3 Total Disposal at DSWA Facilities, Tons, 2004 – 2008
More importantly, population and economic growth in Delaware resulted in significant increases in construction of new housing and commercial buildings to accommodate the increased population
ith the current recession, but also as a result of new single stream curbside collection programs implemented by DSWA and the City of Wilmington.
Figure 1-3 Total Disposal at DSWA Facilities, Tons, 2004 – 2008
More importantly, population and economic growth in Delaware resulted in significant increases in construction of new housing and commercial buildings to accommodate the increased population. As illustrated by Figures 1-4 almost one-half of the increase in total tonnage managed by DSWA over the past 5 years has been the result of increasing construction and demolition (C&D) tonnage. 4
It should be noted that the private Delaware Recycled Products, Inc. (DRPI) landfill located in New Castle County also received C&D from Delaware generators. Total tonnage delivered to DRPI for disposal last year was 253,000 tons (rounded); of which roughly one-half was generated in Delaware. 5
Figure 1-4 MSW and C&D Disposal at DSWA Facilities, Tons, 2004 – 2008
Delaware’s growth not only resulted in ever increasing tonnages of material disposed of at DSWA facilities, but also has implications going forward. Specifically, the rapid increase in new housing developments (and associated economic activity) has significantly reduced the amount of available agricultural land in Delaware.
Delaware experienced a total loss of 142,712 agricultural acres in 33 years 6 ; 55 percent of that loss from 1997 to 2007. The rapid growth of developed land and loss of agricultural land in Delaware can be largely attributed to the increase of residential and commercial / industrial land use. From 1974 to 1997, residential land use increased by 81,156 acres and commercial / industrial land use increased by 28,585 acres, for a combined increase in developed acreage of 109,740 acres. In that same time span, Delaware lost 137,671 acres of agriculture and forest land, or nearly 11% of total acreage.
1-4
Figure 1-5 shows the increase in residential and commercial / industrial land use by county in the 23 year span from 1974 -1997
increased by 81,156 acres and commercial / industrial land use increased by 28,585 acres, for a combined increase in developed acreage of 109,740 acres. In that same time span, Delaware lost 137,671 acres of agriculture and forest land, or nearly 11% of total acreage.
1-4
Figure 1-5 shows the increase in residential and commercial / industrial land use by county in the 23 year span from 1974 -1997.
Figure 1-5 Change in Land Use from Agricultural to Other Uses, Acres
As illustrated by Figure 1-5, large losses of open lands have occurred in all three counties, with the most occurring in Sussex County. This is important because nutrient loadings to the Delaware and Chesapeake Bays are of significant concern. As a consequence, Delaware has implemented a nutrient management plan which limits the total amount of nutrients that may be applied to agricultural lands in Delaware. As the amount of land available for land application declines, the amount of poultry wastes and wastewater treatment plant (WWTP) sludge which can be land applied also declines. Unless alternative uses for these organic waste streams can be identified, increasing quantities of these waste streams may require landfilling.
Increased population and economic growth also limits the ability of DSWA to site new processing and disposal capacity going forward, significantly increasing the value of DSWA’s existing facilities.
Other implications of increased population growth and changes in land use in Delaware with respect to solid waste management going forward include the following:
Current Waste Generation and Recovery
This Statewide Solid Waste Management Plan encompasses all waste streams generated in Delaware, but concentrates on those waste streams currently managed at DSWA facilities.
Figure 1-6 graphically represents current generation, recovery and disposal of all Delaware solid wastes
elaware with respect to solid waste management going forward include the following:
Current Waste Generation and Recovery
This Statewide Solid Waste Management Plan encompasses all waste streams generated in Delaware, but concentrates on those waste streams currently managed at DSWA facilities.
Figure 1-6 graphically represents current generation, recovery and disposal of all Delaware solid wastes. 7 As illustrated by Figure 1-6, roughly 3.15 million tons (rounded) of solid wastes were estimated to be generated in 2008, with 2.05 million tons (rounded) estimated to be diverted for recovery and 1.1 million tons (rounded) disposed at DSWA landfills and the Delaware Recycled Products Incorporated landfill.
This represents a 65 percent diversion rate for all solid wastes and a 29 percent recycling rate for Municipal Solid Wastes (MSW). 8 Achieving the high diversion rates required to meet zero waste principles will require diversion of significantly greater quantities of waste from landfill. Because most of what is still going to landfill is MSW, this is where the bulk of new recovery must come from (as discussed in Chapter 4).
Figure 1-6 Current Recovery and Disposal of All Solid Waste in Delaware (Annual Tons, CY 2008)
Population and Waste Generation Projections
According to the Center for Applied Demography & Survey Research at the University Of Delaware, 9 Delaware will add roughly 42,000 new households between 2010 and 2020. Assuming an average of 2.6 persons per household, Delaware’s population will grow by roughly 109,200 over this ten year period.
Typically, projections of future waste generation would assume growth in per capita waste generation associated with increased consumption of goods and services per person (and therefore more waste per person), as well as increases due to population growth. However, as Figure 1-3 (above) illustrates, waste disposal at DSWA facilities fell by 12.5 percent between 2006 and 2008, from 1.1 million tons to 968,000 tons
tions of future waste generation would assume growth in per capita waste generation associated with increased consumption of goods and services per person (and therefore more waste per person), as well as increases due to population growth. However, as Figure 1-3 (above) illustrates, waste disposal at DSWA facilities fell by 12.5 percent between 2006 and 2008, from 1.1 million tons to 968,000 tons. DSWA is projecting, for budgeting purposes, a further decline to roughly 835,000 tons for FY 2011. This makes projections looking forward difficult, with some waste management professionals arguing that per capita waste generation will increase to pre-recession levels as soon as the recession is over, and others arguing that structural changes in the economy and people’s behavior will result in declining per capita generation going forward.
A comparison might be made to energy use in the United States. According to the Energy Information Administration, greenhouse gas emissions associated with energy production in the United States has fallen 9 percent over the past two years, 10 and are not expected to reach 2007 levels again until 2019. It is certainly possible that similar projections for waste generation are reasonable over the same time frame for Delaware.
More importantly, events not directly tied to population growth may have more impact on DSWA landfill capacity. These include:
The results of these types of events can significantly increase demand for waste disposal capacity in Delaware, but are unpredictable in projecting future capacity requirements.
Given uncertainties in economic growth going forward, Figure 1-7 illustrates the impact of population growth alone on future MSW and C&D waste disposal quantities; under three scenarios for per capita waste generation – no change, a 20% increase and a 20% decrease
ignificantly increase demand for waste disposal capacity in Delaware, but are unpredictable in projecting future capacity requirements.
Given uncertainties in economic growth going forward, Figure 1-7 illustrates the impact of population growth alone on future MSW and C&D waste disposal quantities; under three scenarios for per capita waste generation – no change, a 20% increase and a 20% decrease.
As illustrated by Figure 1-7, if the per capita waste generation rates observed in 2008 (at the height of the recession) remain stable going forward, population growth and associated increased economic activity will not result in total MSW disposal reaching 2006 disposal levels again until the end of the 2020 Plan horizon. Conversely, even with a 20 percent reduction in per capita MSW and C&D waste generation, population growth eventually overwhelms these waste reduction gains. This illustrates the importance of both source reduction actions (to reduce per capita waste generation) and waste diversion activities (to divert greater quantities of waste from disposal).
Figure 1-7 also illustrates the difficulties of predicting landfill lifetimes in Delaware. In essence, the 2007 economic recession, and associated decline in waste disposal significantly increased DSWA’s estimate of landfill life. If per capita generation rates were to rebound to 2006 levels, and population and economic growth also rebounded, then estimates of future landfill lifetimes would have to be adjusted downward again.
Figure 1-7 Waste Disposal Projections Based on Population Growth and Changes in Per Capita Waste Generation, Tons, 2010 – 2030
FIGURE 1-7 NOTES:
(1) MSW projections are made using CY 2008 per capita MSW disposal at DSWA facilities.
were to rebound to 2006 levels, and population and economic growth also rebounded, then estimates of future landfill lifetimes would have to be adjusted downward again.
Figure 1-7 Waste Disposal Projections Based on Population Growth and Changes in Per Capita Waste Generation, Tons, 2010 – 2030
FIGURE 1-7 NOTES:
(1) MSW projections are made using CY 2008 per capita MSW disposal at DSWA facilities.
(2) C&D projections are made using per capita C&D disposal at both DSWA and DRPI facilities.
Waste Composition
Solid waste disposed at all DSWA facilities was characterized from a four season waste composition study carried out in 2006-07. Waste sorting occurred at all three DSWA landfills and at the three DSWA transfer stations. Separate samples were taken of residential and commercial waste for physical sorting and characterization. Construction and demolition waste and self-haul waste was visually characterized by a trained team using a tested protocol.
The results were used to determine both the composition of current waste disposed, and which material categories offer the most opportunity for increased diversion. Total waste composition is shown below in Figure 1-8.
Figure 1-8 Statewide Solid Waste Composition of All Waste Streams 2006-07 12
CHAPTER 2
Solid Waste Management Infrastructure
The solid waste management (refuse, recyclables and organics) infrastructure in Delaware consists of collection, processing, transfer and disposal equipment and facilities, together with the administrative and management institutions necessary to support the infrastructure. While the transfer and disposal infrastructure is owned and operated primarily by DSWA, the collection infrastructure is owned and operated by the private sector, municipalities, and DSWA. Processing is primarily owned and operated by the private sector.
Administration and management is carried out by DNREC (regulatory authority), DSWA, municipal departments of public works, and the private sector.
A summary of the infrastructure is provided below
wned and operated primarily by DSWA, the collection infrastructure is owned and operated by the private sector, municipalities, and DSWA. Processing is primarily owned and operated by the private sector.
Administration and management is carried out by DNREC (regulatory authority), DSWA, municipal departments of public works, and the private sector.
A summary of the infrastructure is provided below. This summary is not intended to be a complete inventory, but rather to provide information relevant to the stated objectives of moving toward zero waste principles.
Collection
Residential Refuse
There are roughly 347,300 households in Delaware. 13 Approximately 47,350 households receive curbside refuse collection from public works departments in the nine communities listed below, using approximately 77 licensed garbage trucks.
An estimated 20,000 households are in multi-family dwellings which receive collection by private haulers as part of commercial collection routes. An additional number (unknown, but expected to be under 5,000) of mobile home parks and planned communities provide their own collection service using another 18 licensed garbage trucks. In addition, an estimated 15,000 to 25,000 households bring their waste to one of the five DSWA collection centers, or to the self-haul areas at the transfer stations and landfills. 14
The remaining 250,000 to 260,000 (estimated) households obtain subscription service through one of 42 private haulers for collection of refuse (Table 2-1). These haulers operate approximately 330 licensed garbage trucks to collect residential refuse.
Table 2-1 Estimates of Total Households Served by Refuse Collection Infrastructure in Delaware, 2009
TABLE 2-1 NOTE:
nsfer stations and landfills. 14
The remaining 250,000 to 260,000 (estimated) households obtain subscription service through one of 42 private haulers for collection of refuse (Table 2-1). These haulers operate approximately 330 licensed garbage trucks to collect residential refuse.
Table 2-1 Estimates of Total Households Served by Refuse Collection Infrastructure in Delaware, 2009
TABLE 2-1 NOTE:
(1) All numbers are estimated based on best available information.
Residential Recycling
In November 2009, an estimated 76,000 Delaware households (rounded) had curbside recycling service. All other households can recycle at DSWA drop-off centers.
Almost all of the recycling collection service is provided as single stream collection and the majority of households receive a cart to use for collection.
This household curbside recycling collection count includes DSWA curbside recycling collection accounts, municipally contracted curbside collection, as well as the curbside recycling collection programs operated by the Cities of Wilmington, and Newark. It also includes estimates of households that subscribe directly with their refuse hauler for curbside recycling.
These 76,000 households represent roughly 22 percent of all Delaware households (including multi-family). Just as important as access to curbside recycling is how the curbside recycling is paid for by the household. Households who receive curbside collection as part of a bundled service where recycling does not cost extra are much more likely to participate in recycling than households who must pay extra for curbside collection of recyclables over and above their refuse collection cost. Table 2-2 presents the estimated breakdown between households who pay a discrete extra charge for curbside collection service (subscription), and those that receive curbside collection of recyclables paid for through taxes or through higher refuse collection charges, where recycling is received as a bundled service
for curbside collection of recyclables over and above their refuse collection cost. Table 2-2 presents the estimated breakdown between households who pay a discrete extra charge for curbside collection service (subscription), and those that receive curbside collection of recyclables paid for through taxes or through higher refuse collection charges, where recycling is received as a bundled service.
Table 2-2 Households Receiving Curbside Collection of Recyclables
TABLE 2-2 NOTES:
(1) Where the Municipality or County provides or has arranged (through a contract) for service. In some municipalities, the household must also sign-up.
(2) Where households must subscribe, or sign up for service, and pay a fee for service.
Residential Yard Waste Collection
Most of the municipalities that collect refuse also separately collect leaves and yard waste seasonally. 15 Leaves are often collected in urban areas in the fall to avoid clogging storm drains, and yard waste is collected in the spring growing season and fall leaf raking season.
Private haulers and DSWA also offer separate leaf and yard waste collection services for residents and businesses. It is unknown how many households subscribe to private haulers for separate leaf and yard waste collection. As of October 2009 just fewer than 5000 households were signed up for collection by DSWA. Households can sign up for free but must pay DSWA $1 per bag collected. Residents can also drop-off their yard waste at all DSWA landfills and transfer stations for a fee, and at three DNREC operated yard waste drop-off sites in New Castle County.
Finally many landscaping companies haul leaf and yard waste off-site for processing at their own facilities or at private processing centers (see below). In addition, material can be dropped off at private grinding and mulching operations located throughout the State with many locations charging a fee.
Commercial Refuse and Recycling Collection
There are an estimated 61,700 businesses 16 located in Delaware
ny landscaping companies haul leaf and yard waste off-site for processing at their own facilities or at private processing centers (see below). In addition, material can be dropped off at private grinding and mulching operations located throughout the State with many locations charging a fee.
Commercial Refuse and Recycling Collection
There are an estimated 61,700 businesses 16 located in Delaware. Most of them contract with a licensed waste hauler for refuse collection, and many contract for separate collection of recyclables – especially old corrugated containers and office paper. About 90 waste hauling companies operate 300 roll-off trucks and 150 front-end loading trucks to service these commercial refuse and recycling accounts. 17
There are also many businesses and other organizations who haul their own waste to DSWA transfer stations and landfills.
Special Wastes
There are many businesses operating in Delaware that collect specific waste streams for recycling or special processing. Depending on the type of material, and the quantity, the materials may be picked up at the generator’s location, usually for a fee. In other cases, the material must be brought to a recycling facility where it is consolidated with other materials to be sent off for processing.
Table 2-3 below illustrates the types of materials separately collected and managed in Delaware, and lists whether collection is available from DSWA, the private sector or both parties. Where the DSWA column is checked, the material may be brought to a DSWA facility.
Table 2-3 Special Wastes Collected in Delaware and Collection Entity
Materials Processing
Delaware has a robust private sector recycling and organics brokering and processing system consisting of more than 70 companies/facilities recovering roughly 2 million tons of residential, commercial, C&D, and industrial waste materials annually. The types of materials handled by processing and brokering facilities operating in Delaware and the estimated number of businesses are outlined in Table 2-4
ware has a robust private sector recycling and organics brokering and processing system consisting of more than 70 companies/facilities recovering roughly 2 million tons of residential, commercial, C&D, and industrial waste materials annually. The types of materials handled by processing and brokering facilities operating in Delaware and the estimated number of businesses are outlined in Table 2-4.
Table 2-4 Materials Recycling and Organics Processors and Brokers Located in Delaware
There are no single stream processing facilities in Delaware for mixed residential and commercial recyclables. However the DSWA operates two transfer stations for transfer of single stream materials to large single stream processors in adjacent Maryland, Pennsylvania and New Jersey. Transfer to large single stream processing facilities is increasingly common given the economies of scale associated with new, relatively capital intensive single stream processing equipment, with the largest single stream processing facility in the United States located just outside of Baltimore, Maryland.
The number of facilities processing yard waste has also increased since the ban on yard waste disposal at the Cherry Island landfill. DNREC now operates three yard waste composting facilities to provide additional drop-off locations and capacity to comply with the disposal ban, and many of the construction and demolition debris processing facilities listed in Table 2-4, above, accept yard waste for grinding and mulching.
DSWA Facilities and Programs
For many waste streams where there is not currently sufficient private sector involvement, DSWA has taken the lead in providing management programs to ensure the environmentally sound management of these special waste streams, particularly for those generated by the residential sector. However it is recognized that there is an unknown amount of private sector involvement for many of these waste streams, especially for wastes generated by the commercial sector
private sector involvement, DSWA has taken the lead in providing management programs to ensure the environmentally sound management of these special waste streams, particularly for those generated by the residential sector. However it is recognized that there is an unknown amount of private sector involvement for many of these waste streams, especially for wastes generated by the commercial sector.
In addition to the DSWA curbside and drop-off collection programs discussed above, DSWA provides the following programs:
Waste Oil and Waste Oil Filters
DSWA operates the first oil filter collection program in the United States. The program began collecting waste oil in 1990 and waste oil filters in 1993. DSWA collects waste oil filters from over 400 repair shops and service stations for a fee. DSWA also allows Delaware residents to take their waste oil and waste oil filters to 44 drop centers located throughout Delaware. The waste oil is currently collected and recycled by FCC Environmental of Wilmington. The waste oil filters are currently collected by DSWA staff, delivered to FCC Environmental and then sent to steel mills for recycling.
Household Hazardous Wastes
DSWA operates six or more HHW collection days throughout the State each year. Over 88 tons of HHW were collected in 2009 from over 2,800 Delaware residents. DSWA is evaluating the potential to add permanent collection centers for HHW at certain of its facilities to augment the collection days.
Electronic Goods Recycling
DSWA allows residents to drop off unwanted electronics for free at permanent collection locations. DSWA also allows businesses to drop off at two different locations for a fee. DSWA collected over 4 million pounds of electronic goods items for recycling in 2009.
Yard Wastes
DSWA composts yard waste delivered to the Cherry Island and Jones Crossroads landfills. Gore Technology is used tm to produce quality compost over a period of approximately eight weeks, compared to a minimum of six months with conventional windrow technology
p off at two different locations for a fee. DSWA collected over 4 million pounds of electronic goods items for recycling in 2009.
Yard Wastes
DSWA composts yard waste delivered to the Cherry Island and Jones Crossroads landfills. Gore Technology is used tm to produce quality compost over a period of approximately eight weeks, compared to a minimum of six months with conventional windrow technology.
Used Textiles
DSWA provides drop off containers for used clothing and textiles at 39 of the 180 recycling drop off centers throughout Delaware. DSWA staff collects the materials and delivers the textiles to Goodwill Industries for reuse or recycling.
Institutional Structure
As discussed in the introduction to this Plan, the Act establishing the DSWA made DSWA responsible for developing, adopting and implementing a Statewide Solid Waste Management Plan. The Act also stated:
“That the Authority established pursuant to this chapter shall have responsibility for implementing solid waste disposal and resources recovery systems and facilities and solid waste management services where necessary (emphasis added) and desirable throughout the State in accordance with a state solid waste management plan and applicable statutes and regulations”.
In general, responsibilities for solid waste management in Delaware in 2009 can be categorized as follows:
Funding
Funding of the solid waste management activities summarized above comes from three sources:
CHAPTER 3
Source Reduction
Introduction
According to the United States Environmental Protection Agency (EPA), Source Reduction “refers to any change in the design, manufacture, purchase or use of materials or products (including packaging) to reduce their amount or toxicity before they become municipal solid waste. Source reduction also refers to the reuse of products or materials.” Because source reduction reduces the quantity of waste generated, it also reduces the need to manage that waste, either by recycling or disposal
fers to any change in the design, manufacture, purchase or use of materials or products (including packaging) to reduce their amount or toxicity before they become municipal solid waste. Source reduction also refers to the reuse of products or materials.” Because source reduction reduces the quantity of waste generated, it also reduces the need to manage that waste, either by recycling or disposal.
For example, Delaware’s total waste stream includes both material disposed and material diverted for recycling or beneficial reuse. Source reduction focuses on reducing both materials destined for disposal and materials diverted from disposal for recycling or beneficial reuse. In other words, source reduction shrinks the total material requiring management.
Figure 3-1 illustrates how a decrease of 20% in both material disposed and material diverted for recycling would reduce total material managed (source reduction) by roughly 630,000 tons saving disposal and diversion costs.
Figure 3-1 Impact of 20% Source Reduction on Total Material Disposed and Diverted
Alternatively, if waste generation remained equal (Figure 3-2), but an additional 20 percent of the material was diverted to recycling, the total amount of material managed (3.1 million tons) would be the same, with savings only in avoided disposal costs. For this reason, source reduction is always ranked first in the hierarchy of waste management.
Figure 3-2 Impact of 20% Diversion on Total Material Disposed and Diverted
Source reduction (also referred to as waste reduction) is a key component of Delaware’s Climate Change Action Plan 18 and was recently recognized by the US EPA as providing a much greater opportunity for greenhouse gas emission reductions than originally calculated. 19
Source reduction is also a critical component in moving the State of Delaware closer to zero waste goals. However source reduction gains are often outpaced by population and economic growth (see Chapter 1)
f Delaware’s Climate Change Action Plan 18 and was recently recognized by the US EPA as providing a much greater opportunity for greenhouse gas emission reductions than originally calculated. 19
Source reduction is also a critical component in moving the State of Delaware closer to zero waste goals. However source reduction gains are often outpaced by population and economic growth (see Chapter 1). In contrast, economic retraction can have a large impact on reducing waste generation as households and businesses consume less. Delaware, together with most other states, has, for the first time in decades experienced major declines in the quantity of both municipal solid waste and C&D waste tipped at all their facilities over the last eighteen months.
In spite of these declines, economic growth continues to be the overarching economic policy objective followed in the United States and in most other nations. 20 In addition, as outlined in Chapter 1, population growth is expected to continue in Delaware over the next decade.
Many of the most effective methods to reduce waste generation fall outside of the DSWA’s current authorities. Understanding this constraint, this Plan puts forth strategies that might be undertaken by the Legislature, through regulation, or through DSWA (if certain legislative changes are made), designed to reduce waste generation and toxicity.
Table 3-1 outlines the most effective methods for consideration over the Planning horizon (to 2020), what entity has the primary enabling responsibility (action) and what entity would most likely implement each activity (Implementation).
Table 3-1Source Reduction Strategy and Responsibilities
Yard Waste Disposal Ban Expansion 21
An estimated 67,000 (rounded) tons of leaf and yard waste, and trees and branches were estimated to be landfilled in 2008. Landfill bans provide an opportunity to encourage source reduction of this material as well as to divert this material to other uses, provided grinding and composting operations are available
-1Source Reduction Strategy and Responsibilities
Yard Waste Disposal Ban Expansion 21
An estimated 67,000 (rounded) tons of leaf and yard waste, and trees and branches were estimated to be landfilled in 2008. Landfill bans provide an opportunity to encourage source reduction of this material as well as to divert this material to other uses, provided grinding and composting operations are available.
Effective January 24, 2008 yard waste was banned from disposal at the Cherry Island landfill. As result, yard waste diversion increased dramatically in New Castle County with new grinding and mulching operations increasing capacity. Just as importantly, although harder to measure, source reduction of yard waste also occur as more households and landscapers practice grasscycling, use mulching mowers and manage leaf and yard waste on-site.
Expanding the yard waste ban to the other two DSWA landfills will be an effective measure to maximize both source reduction and diversion of yard waste from disposal.
Backyard Composting and Grasscycling Education
Backyard composting of leaf and yard waste and food waste is an effective way for households to reduce waste generation, create nutrient rich compost for use in vegetable and flower gardens, and comply with a yard waste disposal ban. Many simple enclosed composters are now available for household use. Education on the value of backyard composting and training on how to manage composters and compost piles is an important part of increasing the number of households that participate in backyard composting.
Encouraging the practice of grasscycling -- leaving grass clippings on the lawn when mowing – is also a critical component of source reduction. Once cut, grass clippings dehydrate then decompose, which not only return nutrients to the lawn but save money on disposal.
Education at Schools
Education targeted at youth provides one of the best chances that waste reduction becomes integral to future generations in Delaware
ice of grasscycling -- leaving grass clippings on the lawn when mowing – is also a critical component of source reduction. Once cut, grass clippings dehydrate then decompose, which not only return nutrients to the lawn but save money on disposal.
Education at Schools
Education targeted at youth provides one of the best chances that waste reduction becomes integral to future generations in Delaware. Conducting presentations and assemblies at area schools, inviting class trips to waste management and recycling facilities, and performing waste audits at the schools themselves all provide the direct opportunity to emphasize waste reduction with Delaware’s youth.
Commercial Waste Reduction Initiatives
Commercial waste generators need to be targeted, either individually or by sector, to promote waste reduction. Waste audits and hauling contract modifications can be two effective methods to impact waste generation in businesses.
While businesses are inherently efficient, and many waste streams equate to wasteful business practices, some sectors and individual businesses need assistance in identifying opportunities for waste reduction. Waste audits by trained professionals are costly but often provide the best opportunity to target certain waste streams and practices that impact waste generation.
Pay-As-You-Throw (PAYT) Pricing
Pay as you throw (PAYT) programs have been implemented in over 7,000 communities across the United States. PAYT programs price refuse collection services to encourage diversion or reduction of waste by setting prices based on the volume or weight of refuse collected for disposal. Typically, households pay by the size and number of containers or bags of refuse they set out for collection.
Charging by volume or weight of refuse set out for collection provides an economic incentive to the generator (e.g
. PAYT programs price refuse collection services to encourage diversion or reduction of waste by setting prices based on the volume or weight of refuse collected for disposal. Typically, households pay by the size and number of containers or bags of refuse they set out for collection.
Charging by volume or weight of refuse set out for collection provides an economic incentive to the generator (e.g. household) to divert material to recycling, organics composting or other uses, especially when coupled with curbside recycling and yard waste collection programs where the cost is included in the refuse collection charge.
Extensive research on the impact of PAYT has been conducted by Skumatz Economic Research Associates (SERA). SERA’s research indicates that PAYT programs reduce residential disposal by a total of 16 – 17% at the landfill and attributes this reduction to three factors (source reduction, recycling and yard waste diversion). SERA estimated that 5-6% of that decrease was attributable to recycling effects and 4-5% was attributable to yard waste diversion leaving the balance of 5-7% to source reduction (Skumatz, May 2000).
Because all of these actions combined are critical to move the State toward a zero waste goal, PAYT must be considered to achieve the stated zero waste goals.
Extended Producer Responsibility for Special Wastes
Extended Producer Responsibility (EPR) is an environmental policy approach under which the responsibility of industry for their products and packaging is extended to include management of the product or packaging at the end of its lifetime.
Extending the responsibility for special wastes (e.g., electronics, paint, fluorescent bulbs, mercury containing devices, carpet pharmaceuticals, etc.) is not a new concept and has been used successfully in a number of states to manage hard-to-handle materials
lity of industry for their products and packaging is extended to include management of the product or packaging at the end of its lifetime.
Extending the responsibility for special wastes (e.g., electronics, paint, fluorescent bulbs, mercury containing devices, carpet pharmaceuticals, etc.) is not a new concept and has been used successfully in a number of states to manage hard-to-handle materials.
EPR can create a framework for better overall management of hazardous and hard to handle wastes, where some components of these special wastes can be recovered through processing and others disposed safely. In addition, EPR requires that manufacturers better understand that the end of life costs are an important part of product manufacturing. Because the product (or packaging) producer bears the waste management cost there is more of an economic incentive for the producer to reduce the quantity or toxicity of the product and package. This can result in better product design and material substitution to reduce the need for special handling.
Recent leachate data from Maine indicates that landfill leachate may contain trace amounts of pharmaceuticals. Treatment of the leachate at waste water treatment plants does not eliminate these pharmaceuticals, meaning that they eventually are discharged to surface water. Because of the presence of controlled substances in pharmaceutical waste, special or permanent collection events are legally difficult to run. Therefore an EPR for unwanted pharmaceuticals requiring pharmaceutical take-backs may the best option for this waste stream.
Extended Producer Responsibility for Packaging
Delaware already has a partial EPR for carbonated beverage packaging (glass and PET), and for retail plastic bags. 22 However carbonated beverage containers and retail plastic bags represent a relatively small fraction of total packaging disposed at Delaware landfills
icals requiring pharmaceutical take-backs may the best option for this waste stream.
Extended Producer Responsibility for Packaging
Delaware already has a partial EPR for carbonated beverage packaging (glass and PET), and for retail plastic bags. 22 However carbonated beverage containers and retail plastic bags represent a relatively small fraction of total packaging disposed at Delaware landfills.
While EPR programs for other types of packaging do not currently exist in the United States, many countries outside of the US have moved well beyond beverage container deposits in an attempt to significantly increase recycling of all packaging. Beginning with the German Packaging Ordinance in 1991, making packaging producers and distributors responsible for taking back and recycling their packaging, 30 countries now have some form of EPR for packaging. This includes: all 15 of the original western European Union countries; a number of central European countries; Taiwan, Korea and Japan; and, the majority of provinces in Canada.
EPR has been imposed on packaging producers and distributors in several ways from requirements to physically take back or recycle the packaging, to simply charging an advanced disposal fee to packaging producers to fund existing and new recycling programs. With declining tonnage at DSWA landfills making it extremely difficult to increase tipping fees to fund recycling, an EPR program to fund increased recycling would provide a potential alternative funding source that also worked to reduce the amount of packaging requiring disposal.
CHAPTER 4
Materials Recovery
Achievement of high recovery rates for all recyclable and compostable materials for which current diversion programs are in place is critical to achieving zero waste goals. However, it will also be necessary to add as many materials to the list of recoverable materials as possible assuming potential markets for these materials exist or can be created
equiring disposal.
CHAPTER 4
Materials Recovery
Achievement of high recovery rates for all recyclable and compostable materials for which current diversion programs are in place is critical to achieving zero waste goals. However, it will also be necessary to add as many materials to the list of recoverable materials as possible assuming potential markets for these materials exist or can be created. This will necessitate expanding both DSWA’s management activities and the municipal and private sector collection and processing infrastructure.
Chapter 2 provides an overview of the current collection and processing infrastructure in Delaware. This Chapter provides baseline materials recovery estimates, and describes changes necessary to increase materials recovery.
Similar to waste reduction actions, many of these actions are beyond the authority of DSWA and will require action by the Legislature, investment in infrastructure by the private sector and DSWA, and the regulatory mandates to support these investments.
Baseline Recycling and Diversion Rates
The Recycling Public Advisory Council (RPAC) reports the MSW recycling rate on an annual basis. The RPAC report is based on voluntary reporting of recycling from hundreds of generators, brokers and recyclables processors in Delaware. 23
Excluded from the MSW recycling rate, however, are C&D materials as well as other waste streams generated in Delaware but not managed at DSWA facilities. These materials are discussed in Chapter 1 Current Waste Generation and Recovery and depicted in Figure 1-6. If only MSW materials are accounted for, a recycling rate of 29% is measured for CY 2008. 24 If beneficial reuse of all waste streams is included, the diversion rate (recycling plus beneficial reuse) is estimated to be 65% as shown in Table 4-1.
Table 4-1 Estimated Recycling and Diversion Rates for Municipal Solid Waste (MSW) Only and For All Waste Streams, CY 2008
TABLE 4-1 NOTES:
in Figure 1-6. If only MSW materials are accounted for, a recycling rate of 29% is measured for CY 2008. 24 If beneficial reuse of all waste streams is included, the diversion rate (recycling plus beneficial reuse) is estimated to be 65% as shown in Table 4-1.
Table 4-1 Estimated Recycling and Diversion Rates for Municipal Solid Waste (MSW) Only and For All Waste Streams, CY 2008
TABLE 4-1 NOTES:
(1) DSWA MSW Disposal from Appendix Table A-4, rounded.
Appendix Table A-1 provides a detailed breakdown of all materials included in the all waste diversion estimate of 2,052,000 tons used in Figure 4-1. The Eighth Annual Report of the RPAC (November 2009) provides a breakdown of all materials included in MSW recycling rate estimate for CY 2008, and was incorporated in the estimates used for this Plan and shown in Table A-1.
Baseline Materials Recovery Rates
While recycling rates are often used to judge the success of waste diversion programs, material recovery rates are critical to determining how much more material could potentially be diverted. Delaware is fortunate in that it has one of the best data collection programs for waste disposal and recycling in the United States. As a result, relatively accurate material recovery rates can be estimated and used to project potential future recovery rates.
Current recovery rates by material type have been estimated for this Plan based on the most recent annual recycling report completed by RPAC (CY 2008), based on strict EPA definitions of recycling, and the DSWA Statewide Waste Characterization Study (2006-07). Disposal tonnages by material were adjusted from the Waste Characterization Study based on current disposal rates (CY 2008) to estimate current disposal and calculate recovery rates for the most recent year data are available.
Recovery rates for the most common recyclables included in calculating the MSW recycling rate are estimated for CY 2008 in Tables 4-2 and 4-3 for the residential and commercial sectors respectively
erial were adjusted from the Waste Characterization Study based on current disposal rates (CY 2008) to estimate current disposal and calculate recovery rates for the most recent year data are available.
Recovery rates for the most common recyclables included in calculating the MSW recycling rate are estimated for CY 2008 in Tables 4-2 and 4-3 for the residential and commercial sectors respectively. In addition, materials with very low recovery rates (e.g. food waste and compostable paper) are included in Tables 4-2 and 4-3 to show opportunities for recovery for these high volume materials and to illustrate where diversion is necessary to reach zero waste goals.
Table 4-2 Estimated Current Recovery Rates, by Material Type, for Residential Recycling In Delaware (CY 2008)
Table 4-3 Estimated Current Recovery Rates, by Material Type, for Commercial Recycling In Delaware (CY 2008)
As shown in Tables 4-2 and 4-3 there is significant opportunity to increase recovery in both the residential and commercial sectors. This Chapter lays out an aggressive action plan to increase recovery of these materials. However, even the achievement of very high recovery rates for the materials listed in Tables 4-2 and 4-3 will not be sufficient to achieve the types of diversion rates envisioned by zero waste goals. Therefore, efforts will also be necessary to significantly increase recycling of C&D wastes and other commercial, institutional and industrial wastes.
A comprehensive assessment of all of these waste streams was performed in 2006 25 . The results from this assessment are incorporated in Appendix Table A-1, A-2 and A-3 to this Plan, and provide a detailed profile of all waste generated and recovered in Delaware.
Recovery estimates are coupled with disposal estimates in Appendix Table A-2 to derive current recovery rates for all materials (not only those that would be categorized as MSW) required to meet zero waste principles
5 . The results from this assessment are incorporated in Appendix Table A-1, A-2 and A-3 to this Plan, and provide a detailed profile of all waste generated and recovered in Delaware.
Recovery estimates are coupled with disposal estimates in Appendix Table A-2 to derive current recovery rates for all materials (not only those that would be categorized as MSW) required to meet zero waste principles.
As illustrated by Appendix Table A-1 and A-2, C&D materials have high current recovery rates, and are a major contributor to the overall waste recycling rate. However, as illustrated in Figure 1-8, C&D materials still represent roughly 23 percent (rounded) of total waste disposed in Delaware, providing the potential opportunity to divert even greater amounts of C&D materials going forward.
Diversion goals are presented in Chapter 7. The systems needed to achieve these high diversion, or recovery, rates are described below.
Residential Recycling
Recycling Collection
As outlined in Chapter 2, roughly 22 percent of Delaware households have voluntary curbside recycling while over 90 percent of households have curbside (or containerized) refuse collection. Households without curbside recycling have access to 180 DSWA drop-off centers for recycling.
Delaware has one of the most extensive drop-off recycling programs in the United States. However, despite 180 drop-offs, and careful placement, participation in drop-off recycling is still limited to an estimated 16 percent of households. 26 This low participation rate is most likely because almost all of these households have curbside collection of refuse, requiring separate handling of recyclables and special trips to recycle at drop-off facilities. 27
To increase recycling, DSWA began to offer subscription curbside recycling collection in 2005, first in New Castle County and later statewide. Households subscribe for service, just as they do for curbside refuse from private haulers, and pay a monthly fee, currently set at $6 per month
on of refuse, requiring separate handling of recyclables and special trips to recycle at drop-off facilities. 27
To increase recycling, DSWA began to offer subscription curbside recycling collection in 2005, first in New Castle County and later statewide. Households subscribe for service, just as they do for curbside refuse from private haulers, and pay a monthly fee, currently set at $6 per month. 28 Subscription rates have grown substantially since the offer began with roughly 12 percent of Delaware households now provided with this service, some through their municipality. 29 The collection service offered is single stream with each household provided with a 65 gallon cart which is collected every other week.
The largest barriers to further increases in household participation in recycling are cost and convenience. Roughly 7 percent of Delaware households are assumed to pay directly for curbside collection (see Table 2-2). The highest participation rates found in curbside recycling programs are where households are offered both refuse and recycling service on the same day, with limited special set-out requirements (i.e. single stream, one cart). This parallel system (e.g. refuse and recycling service are provided by the same collection method, either both at the curb, or both at a drop-off facility) is the most convenient and enables most households to participate.
Universal Curbside Recycling
The most efficient way to greatly expand participation in residential recycling is to move to universal recycling, where all municipal and private residential refuse collection haulers provide curbside recycling along with refuse collection service, and include both services in a single refuse collection price. This will require legislation mandating that all residential refuse haulers operating in Delaware provide curbside recycling as part of a bundled refuse collection service. 30 This universal recycling requirement will have a significant impact on increasing residential recycling
curbside recycling along with refuse collection service, and include both services in a single refuse collection price. This will require legislation mandating that all residential refuse haulers operating in Delaware provide curbside recycling as part of a bundled refuse collection service. 30 This universal recycling requirement will have a significant impact on increasing residential recycling.
However, over time it may also be necessary to impose mandatory PAYT pricing, as discussed in Chapter 3, to attain the very high diversion rates anticipated under zero waste diversion goals.
DSWA’s role in the system will be to assure that locations are available at designated DSWA solid waste management facilities to receive the collected recyclables, and to assure that the materials are processed, either through development of a processing facility in Delaware, or through transfer to existing processing facilities adjacent to Delaware. However, DSWA will not require that recyclables be delivered to a DSWA facility, allowing private haulers to use other recycling processing or transfer facilities if they so choose. This will mean that it will be necessary to mandate that all private haulers report on an annual basis quantities of recyclables collected to assure that RPAC can continue to compile accurate recycling rate calculations to measure progress toward meeting the recycling rate goals established in this Plan.
Drop-off Recycling
Drop-offs recycling centers will need to be continued by DSWA, but the number of drop-off centers can be significantly reduced once universal curbside recycling has been implemented
ntities of recyclables collected to assure that RPAC can continue to compile accurate recycling rate calculations to measure progress toward meeting the recycling rate goals established in this Plan.
Drop-off Recycling
Drop-offs recycling centers will need to be continued by DSWA, but the number of drop-off centers can be significantly reduced once universal curbside recycling has been implemented. Drop-off centers at DSWA facilities and in high traffic areas will still be necessary to serve households who do not receive curbside refuse collection, and to provide all households with access to recycling of special wastes not collected curbside, such as clean textiles and waste oil and filters
Residential Leaf and Yard Waste Collection
Like parallel recycling, parallel leaf and yard waste collection will be necessary in densely population areas where on-site recycling of yard waste and landscaping debris is not possible. As discussed in Chapter 3, backyard composting and grasscycling is the best approach to managing yard waste and cut grass. However in areas where yard waste generation is inevitable, collection is necessary and should be offered through the leaf and growing season on an as needed basis separate from refuse collection so that it can be delivered to yard waste composting or mulching facilities.
Commercial Recycling
Until recently, most commercial recycling in Delaware was done for economic purposes. For example, corrugated cardboard generated in large quantities by large grocers and retailers was baled on site and backhauled to central distribution facilities for sale to brokers, or directly to paper and pulp mills. Overstock printing paper, trim and overprints were also consolidated for transport to paper brokers and end markets, and paper shredding and recycling operations, designed to provide confidential document destruction, have also increased their market share
ers and retailers was baled on site and backhauled to central distribution facilities for sale to brokers, or directly to paper and pulp mills. Overstock printing paper, trim and overprints were also consolidated for transport to paper brokers and end markets, and paper shredding and recycling operations, designed to provide confidential document destruction, have also increased their market share.
Additional commercial recycling has been performed to comply with environmental regulations, including recovery of lead acid batteries, oil filters, electronics and other hazardous materials. More recently, recycling of some materials has occurred as a result of corporate sustainability goals.
However, in spite of these developments, there is still much opportunity to increase recovery of materials from the commercial waste stream. Based on the recovery rate estimates in Table 4-3, all types of paper can be recovered at higher levels and commercial container recycling needs widespread expansion.
Programs that are potentially necessary to achieve zero waste goals for commercial waste generation include:
Food Waste and Other Organics Composting
As shown in Tables 4-2 and 4-3, there is significant opportunity to divert large quantities of food waste and other organics material from disposal. Much of this material is generated in New Castle County where a new composting facility began accepting material in December 2009 (See Case Study on Wilmington organics Recycling Center). Organic waste generated in Kent and Sussex Counties can also be delivered to the existing Blessing and Blue Hen facilities in Sussex County.
Diverting commercial food waste and other compostable materials (other than yard wastes) to these facility will require changes to the way that commercial food waste generators manage their waste to increase the economic incentive to separate food waste from other waste
te generated in Kent and Sussex Counties can also be delivered to the existing Blessing and Blue Hen facilities in Sussex County.
Diverting commercial food waste and other compostable materials (other than yard wastes) to these facility will require changes to the way that commercial food waste generators manage their waste to increase the economic incentive to separate food waste from other waste. This might be accomplished through waste audits that assist generators in setting up on-site procedures to separate and store food waste and to restructure hauling contacts that minimize added collection costs and allow any disposal savings to be realized.
Residential food waste separation beyond backyard composting is more challenging, and can be viewed as a potential way to boost recovery after programs to divert commercial food waste are implemented. Adding a third collection stream to residential collection may be possible in densely populated areas, particularly if the collection can be organized to allow for weekly food waste and every other week residuals and other recyclables.
Construction and Demolition Debris Diversion
The final key to reaching zero waste diversion goals will be to increase the recovery of C&D materials. While DSWA currently grinds and recovers most C&D material delivered separately to the three landfills, roughly 23 percent of total MSW disposal in Delaware (including waste delivered to the DRPI landfill) is C&D material. As illustrated by Figure 4-1, clean gypsum and clean wood represent 25 percent of the remaining C&D landfilled in Delaware. There are markets for both of these materials assuming they can be source separated.
Figure 4-1 Composition of Construction and Demolition Waste Disposed in Delaware
The key to increasing C&D diversion will be to encourage additional separation of mixed C&D for grinding at all three DSWA landfills for use as alternative daily cover
represent 25 percent of the remaining C&D landfilled in Delaware. There are markets for both of these materials assuming they can be source separated.
Figure 4-1 Composition of Construction and Demolition Waste Disposed in Delaware
The key to increasing C&D diversion will be to encourage additional separation of mixed C&D for grinding at all three DSWA landfills for use as alternative daily cover. This will require more accurate reporting by roll-off drivers of the material type (especially at the Cherry Island landfill). Delaware should also encourage development of a C&D processing facility near Wilmington to process C&D materials now going to both the DRPI landfill and the Cherry Island landfill. Finally, DNREC should consider a regulatory ban on the disposal of clean gypsum at Delaware landfills. Bans on gypsum disposal are being considered in many eastern states as a way to reduce hydrogen sulfide gas emissions from landfills. Such a ban would require housing contractors to separate gypsum from other C&D materials, and would require DSWA to develop markets for the separated, clean gypsum. There are a number of potential markets, including use as a soil conditioner, as an additive, and as an input to new gypsum wallboard construction.
Case Study:
Wilmington Organics Recycling Center
In December 2009 Peninsula Recycling opened the Wilmington Organics Recycling Center (WORC) at 612 Christiana Avenue next to the Port of Wilmington as the first commercial food waste compositing facility operating in Delaware. The facility expects to process 160,000 tons per year of organic wastes generated in the region, and is an important piece of infrastructure to help the State of Delaware move toward zero waste.
The facility couples the Company’s experience with Bedminster Bioconversion facility technology with the proven Gore Cover System Technology (A Delaware based Company)
iting facility operating in Delaware. The facility expects to process 160,000 tons per year of organic wastes generated in the region, and is an important piece of infrastructure to help the State of Delaware move toward zero waste.
The facility couples the Company’s experience with Bedminster Bioconversion facility technology with the proven Gore Cover System Technology (A Delaware based Company). Facility management came from Nantucket, Massachusetts, where municipal solid waste (MSW) and biosolids composting is performed using the Bedminster technology and where the final product is screened, and a small amount of residue is being landfilled. WORC is not a MSW composting facility; instead, feedstock is limited to food waste, yard waste, and wood. This feedstock is expected to produce a higher quality product.
The Gore Technology is an encapsulated system that is “in vessel” approved and designed to eliminate odors and re-circulate leachate. The facility equipment includes a blower unit to aerate the piles of each windrow as well as a sprayer to control moisture levels. All wastewater at the site is collected and pumped directly to the City of Wilmington’s wastewater treatment facility for handling and treatment. This system is designed to accept cleaner organic material, and cannot handle high levels of contamination.
Feedstock is expected to come from food processors as well as institutions, grocers and restaurants from Delaware and surrounding states, that all generate large quantities of food waste. The facility can handle 120,000 tons per year of food waste. Cardboard and other compostable paper can be mixed with food waste loads and is a necessary component of the feedstock. Finally leaf and yard waste, and wood are sought to ensure a balanced carbon and nitrogen ratio.
The final product is expected to be sold to commercial landscapers and other end users for use as a soil amendment and/or nutrient rich compost
le 120,000 tons per year of food waste. Cardboard and other compostable paper can be mixed with food waste loads and is a necessary component of the feedstock. Finally leaf and yard waste, and wood are sought to ensure a balanced carbon and nitrogen ratio.
The final product is expected to be sold to commercial landscapers and other end users for use as a soil amendment and/or nutrient rich compost. The first three weeks of operation (December 2009), the facility processed 2000 tons of material.
CHAPTER 5
Alternative Technologies
Introduction
Assuming that Delaware were able to achieve the very aggressive goal of diverting 82 percent of all waste by 2020, there would still be a need to dispose of over one-half a million tons of waste annually in DSWA landfills.
Given the difficulty in siting any new landfill capacity in Delaware, the limited lifetime of existing landfills, and the demand for renewable energy sources, it is logical that the State of Delaware must continue to investigate alternative technologies for processing wastes to reduce the volume going to landfill, and capture the energy inherent in the waste.
In addition, it is likely that to achieve high diversion rates, alternative technologies such as in-vessel composting and anaerobic digestion will be necessary to process organic wastes.
On October 18, 2005 Governor Minner issued a directive to the DNREC Secretary to convene a Working Group of technical experts to evaluate the suitability of alternative technological systems for processing Delaware’s municipal solid waste. The Working Group issued their Solid Waste Management Alternatives for Delaware report on May 15, 2006. DSWA participated in the Working Group and concurs with the two pronged recommendations contained in the Report. 31
e DNREC Secretary to convene a Working Group of technical experts to evaluate the suitability of alternative technological systems for processing Delaware’s municipal solid waste. The Working Group issued their Solid Waste Management Alternatives for Delaware report on May 15, 2006. DSWA participated in the Working Group and concurs with the two pronged recommendations contained in the Report. 31 .
According to the Working Group, “the first, and most important, prong is to divert as much valuable material from being disposed in the state’s landfills as possible requiring that Delaware adopt aggressive and effective source reduction and materials recovery programs...that yard wastes be banned from all three of the state’s landfills” and “(that) DSWA complete its projects as quickly as possible to use the methane produced at the Kent and Sussex landfills to generate electricity, and continue to operate those landfills as bioreactor landfills.”
DSWA, if directed by the Legislature, will also work toward the second prong of the Working Groups recommendation: “(that) the State should build a MSW processing facility serving New Castle County to further reduce the amount of material that is disposed of at the Cherry Island Landfill.”
The Working Group evaluated si 32 x potential alternative technologies currently in use or under development in the United States and around the world. These technologies included, in no particular order:
These technologies were ranked based on seven criteria:
Based on the ranking using the seven criteria the Working Group recommended two processes for further consideration. The first was anaerobic digestion, and second was waste-to-energy using a mass burn process 33 . A summary of the two technologies recommended by the Working Group, as well as aerobic composting, which is already in use in Delaware, is presented below, together with a discussion on how these technologies might, or might not be compatible with zero waste concepts
rocesses for further consideration. The first was anaerobic digestion, and second was waste-to-energy using a mass burn process 33 . A summary of the two technologies recommended by the Working Group, as well as aerobic composting, which is already in use in Delaware, is presented below, together with a discussion on how these technologies might, or might not be compatible with zero waste concepts. Details on other alternatives are available in the Working Group report 34 .
Aerobic Composting
DNREC currently operates three community yard waste drop-off locations in New Castle County. The DSWA currently operates Gore composting facilities at the Cherry Island and Jones Crossroads landfills. In addition, the Peninsula Composting Group just opened a 160,000 ton per year, privately owned and operated composting facility (WORC) on Christiana Avenue, across Christina River from the Cherry Island landfill. This facility will be sourcing organic rich loads from Delaware as well as the surrounding region, and could significantly help with increasing diversion of organics from the Cherry Island landfill. Finally, Bruce Blessing operates a large scale organics composting facility near Milford serving, primarily Kent and Sussex Counties, and Blue Hen organics operates a large scale composting facility near Millsboro.
In general, composting uses oxygen loving bacteria to decompose organic materials. The resulting decomposed material can be used as a soil conditioner as long as the compost meets minimum standards for contaminants and decomposition.
There are two primary types of composting facilities. The most common are windrow composting facilities where the organic material is piled in windrows and turned as necessary to assure that the piles stay aerobic, and maintain proper moisture content and temperatures. At the end of the composting process the material must be cured and screened prior to its use as compost
inants and decomposition.
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## Nearby sections

- [1 Del. Admin. Code § 501 1 DE Admin. Code 501. Regulations of the Delaware Solid Waste Authority](https://www.frixlaw.com/law-library/statutes/STATE_DE_ADC_T1_501.md)
- [1 Del. Admin. Code § 502 1 DE Admin. Code 502. Statewide Solid Waste Management Plan](https://www.frixlaw.com/law-library/statutes/STATE_DE_ADC_T1_502.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_DE_ADC_T1_502. Check the current official text before relying on it. Not legal advice.