9 Va. Admin. Code § 5-91-160 - Exhaust emission standards for two-speed idle testing in enhanced emissions inspection programs

A. No motor vehicle subject to the two-speed idle test shall discharge carbon monoxide (CO), or hydrocarbons (HC) in its exhaust emissions in excess of standards set forth in Table III-A when measured with a certified analyzer system and in accordance with the two-speed idle inspection procedures prescribed in Part VI (9VAC5-91-410 et seq.).
B. The measured concentration of CO plus CO2 shall be greater than or equal to 6.0%.
C. The standards in Table III-A may be adjusted by no more than one percentage point for CO and 150 ppm for HC in order to meet the requirements of the Environmental Protection Agency or the federal Clean Air Act.

TABLE III-A.
EXHAUST EMISSION STANDARDS FOR TWO-SPEED IDLE EMISSIONS INSPECTIONS TESTS.
Model Year HC (ppm) CO (%)
For idle test and 2500 RPM test for vehicles up to 8500 pounds GVWR:
1996 & later 110 0.75
1990-95 125 1.0
1981-89 220 1.2
1980 220 2.0
1975-79 400 4.0
1970-74 600 6.0
1968-69 800 8.0
For vehicles from 8501 to 10000 pounds GVWR:
1997 & later 125 0.75
1991-96 150 1.0
1981-90 220 1.2
1980 220 2.0
1975-79 400 4.0
1970-74 600 6.0
1968-69 800 8.0

Notes

9 Va. Admin. Code § 5-91-160
Derived from Virginia Register Volume 13, Issue 5, eff. January 24, 1997; amended, Virginia Register Volume 18, Issue 20, eff. October 1, 2002. Amended, Virginia Register Volume 21, Issue 19, eff. June 29, 2005.

Statutory Authority

§§ 46.2-1178.1, 46.2-1178.2 and 46.2-1180 of the Code of Virginia; § 182 of the federal Clean Air Act; 40 CFR Part 51, Subpart S.

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