COMAR 11.14.08.10. Test Standards
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Code of Maryland Regulations › Title 11 DEPARTMENT OF TRANSPORTATION › Subtitle 14 MOTOR VEHICLE ADMINISTRATION — VEHICLE INSPECTIONS › Chapter 08 Vehicle Emissions Inspection Program › COMAR 11.14.08.10
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A. Idle Exhaust Emissions Test.
(1) A vehicle shall fail if sample dilution occurs.
(2) Hydrocarbon (HC) and carbon monoxide (CO) emissions may not exceed the following values:
(a) Table 2. Gross vehicle weight greater than 8,500 pounds but less than or equal to 10,000 pounds.
Vehicle Model Year HC (parts per million) CO (percent) (i) 1977 580 7.00 (ii) 1978 550 6.70 (iii) 1979 470 5.00 (iv) 1980 350 5.00 (v) 1981 250 3.00 (vi) 1982 220 2.50 (vii) 1983 220 1.50 (viii) 1984—1990 220 1.20 (ix) 1991—1992 200 1.00 (x) 1993—1995 175 1.00 (xi) 1996—2000 125 1.00 (xii) 2001 and newer 100 0.75
(b) Table 3. Gross vehicle weight greater than 10,000 pounds:
Vehicle Model Year HC (parts per million) CO (percent) (i) 1977 650 7.00 (ii) 1978 650 7.00 (iii) 1979 650 6.50 (iv) 1980 500 6.00 (v) 1981 500 6.00 (vi) 1982 500 6.00 (vii) 1983 500 3.50 (viii) 1984—1985 440 3.00 (ix) 1986 280 2.50 (x) 1987—1992 220 1.20 (xi) 1993—1995 200 1.00 (xii) 1996—2000 125 1.00 (xiii) 2001 and newer 100 0.75
B. Gas Cap Leak Test.
(1) A vehicle shall fail if the gas cap is missing, broken, or the wrong style for the vehicle.
(2) The gas cap leak rate may not exceed 60 cubic centimeters per minute at a pressure of 30 inches of water column.
C. On-Board Diagnostics Test.
(1) A vehicle shall fail if a component of the on-board diagnostics system is missing or damaged.
(2) Standards for the on-board diagnostics test are specified in 40 CFR §85.2207 and 40 CFR §85.2222.
This is a copy of a public record, reproduced as it was published. It is not legal advice, and it may not be the version a court would rely on. Check the official source before you cite it.