# COMAR 26.11.15.06: COMAR 26.11.15.06. Ambient Impact Requirement

> Maryland · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_MD_COMAR_26_11_15_06

## Section

- **Citation:** COMAR 26.11.15.06
- **Heading:** COMAR 26.11.15.06. Ambient Impact Requirement
- **Jurisdiction:** Maryland
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Code of Maryland Regulations / Title 26 DEPARTMENT OF THE ENVIRONMENT / Subtitle 11 AIR QUALITY / Chapter 15 Toxic Air Pollutants / COMAR 26.11.15.06

## Text

A. Requirements for New Installations, Sources, or Premises.
(1) Except as provided in §A(2) of this regulation , a person may not construct, modify, or operate, or cause to be constructed, modified, or operated, any new installation or source without first demonstrating to the satisfaction of the Department using procedures established in this chapter that total allowable emissions from the premises of each toxic air pollutant discharged by the new installation or source will not unreasonably endanger human health.
(2) If a new installation or source will discharge a TAP that is not listed in COMAR 26.11.16.07 and will be part of an existing premises, then emissions of that TAP from existing sources or existing installations on the premises may be omitted from a screening analysis unless the TAP is added to COMAR 26.11.16.07 .
B. Requirements for Existing Installations, Sources, or Premises.
(1) Except as provided in §B(3) of this regulation , a person may not cause or permit the discharge of a toxic air pollutant listed in COMAR 26.11.16.07 from an existing installation or source if total allowable emissions of that TAP from the premises will unreasonably endanger human health.
(2) A person shall demonstrate compliance with §B(1) of this regulation using the procedures established in Regulation .07 of this chapter and COMAR 26.11.16 .
(3) A person who owns or operates an existing premises shall meet the requirements of §B(1) and (2) of this regulation for each TAP listed in COMAR 26.11.16.07 by the applicable compliance dates listed in COMAR 26.11.16.07 , or not later than 2 years after becoming subject to this chapter, whichever is later.
Cross References 26.11.01.08B(2) 26.11.15.01B(14) 26.11.15.01B(16) 26.11.15.03A(1) 26.11.15.03B(4) 26.11.15.04D(1) 26.11.15.04D(2) 26.11.15.05C 26.11.15.05C(3) 26.11.15.07A 26.11.15.07B 26.11.15.07C 26.11.16.02A(4) 26.11.16.02C(1)(a) 26.11.16.04B(1)(a) 26.11.16.05A(1)

## Nearby sections

- [COMAR 26.11.15.01 COMAR 26.11.15.01. Definitions](https://www.frixlaw.com/law-library/statutes/STATE_MD_COMAR_26_11_15_01.md)
- [COMAR 26.11.15.02 COMAR 26.11.15.02. Control of NESHAP and MACT Sources](https://www.frixlaw.com/law-library/statutes/STATE_MD_COMAR_26_11_15_02.md)
- [COMAR 26.11.15.03 COMAR 26.11.15.03. Applicability and Exemptions](https://www.frixlaw.com/law-library/statutes/STATE_MD_COMAR_26_11_15_03.md)
- [COMAR 26.11.15.04 COMAR 26.11.15.04. Requirement to Quantify Emissions](https://www.frixlaw.com/law-library/statutes/STATE_MD_COMAR_26_11_15_04.md)
- [COMAR 26.11.15.05 COMAR 26.11.15.05. Control Technology Requirements](https://www.frixlaw.com/law-library/statutes/STATE_MD_COMAR_26_11_15_05.md)
- [COMAR 26.11.15.06 COMAR 26.11.15.06. Ambient Impact Requirement](https://www.frixlaw.com/law-library/statutes/STATE_MD_COMAR_26_11_15_06.md)
- [COMAR 26.11.15.07 COMAR 26.11.15.07. General Requirements for Compliance Demonstrations](https://www.frixlaw.com/law-library/statutes/STATE_MD_COMAR_26_11_15_07.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_MD_COMAR_26_11_15_06. Check the current official text before relying on it. Not legal advice.