A vehicle will pass the opacity test if its smoke measurement is at or below the following levels for the model years indicated:
Table 2. Opacity Standards | |
Opacity Level | Model Year of Truck |
40% | 1991 and newer |
55% | 1974 to 1990 |
70% | 1973 and older |
N.H. Admin. Code § Saf-C 5804.08
#6887, EXEMPT, eff 1-1-99