9VAC5-91-790. ASM start-up standards.

ASM Exhaust Emission Standards

The following standards shall apply upon implementation of the emissions inspection program. The exhaust emissions standards for the following model years are cross-referenced by using the number in the column in Table 14.1 to locate the column that lists the appropriate standards in the look up tables in 9VAC5-91-810. Each column reference below corresponds to two columns, one for the ASM 5015 and one for the ASM 2525, in 9VAC5-91-810. The test standards are then listed in the appropriate column according to the Equivalent Test Weight.

TABLE 14.1
Light Duty Vehicles.
Model Years	Hydrocarbons 9VAC5-91-810 A	Carbon Monoxide 9VAC5-91-810 B	Oxides of Nitrogen 9VAC5-91-810 C
1996 and later	1	21	41
1991‑1995	2	22	42
1983‑1990	4	23	43
1981‑1982	4	26	43
1980	4	26	48
1977‑1979	11	30	48
1975‑1976	11	30	50
1973‑1974	13	34	50
1968‑1972	13	34	51
Light Duty Trucks 1 (less than 6000 pounds GVWR).
Model Years	Hydrocarbons 9VAC5-91-810 A	Carbon Monoxide 9VAC5-91-810 B	Oxides of Nitrogen 9VAC5-91-810 C
1996 and later
(≤ 3750 LVW)	1	21	41
(> 3750 LVW)	2	22	42
1991‑1995	5	26	43
1988‑1990	7	29	44
1984‑1987	7	29	49
1979‑1983	11	31	49
1975‑1978	12	32	50
Light Duty Trucks 2 (greater than 6000 pounds GVWR).
Model Years	Hydrocarbons 9VAC5-91-810 A	Carbon Monoxide 9VAC5-91-810 B	Oxides of Nitrogen 9VAC5-91-810 C
1997 and later
(≤ 5750 LVW)	2	22	42
(> 5750 LVW)	5	26	45
1991‑ 1996	5	26	46
1988‑1990	7	29	47
1984‑1987	7	29	49
1979‑1983	11	31	49
1975‑1978	12	32	50

Statutory Authority

§ 46.2-1180 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 13, Issue 5, eff. January 24, 1997; amended, Virginia Register Volume 18, Issue 20, eff. October 1, 2002.

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