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PDFWAC 173-422A-200

Exhaust emission test standards for diesel vehicles.

Model Year
Opacity (%)
1991 and older
50
1992-1996
40
1997-2008
30
[Statutory Authority: RCW 70.120.120. WSR 11-17-041 (Order 08-01), ยง 173-422A-200, filed 8/10/11, effective 7/1/12.]
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