Sec.14-164i-2. Smoke opacity inspection standards  


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  • The smoke opacity inspection standards for diesel-powered commercial motor vehicles, as established by the Department of Environmental Protection, are as follows:

    (1) For model years 1991 and newer, the level of peak smoke opacity shall not exceed forty (40) percent; and

    (2) For model years 1990 and older, the level of peak smoke opacity shall not exceed fifty-five (55) percent.

(Effective September 28, 1998; Amended December 29, 2006)