"Blue smoke" means smoke emitted from the stack or engine area of a diesel-powered vehicle that, using the visible light spectrum as a guide, displays an obvious hue of the color blue.
N.H. Admin. Code § Saf-C 5802.03
#6887, EXEMPT, eff 1-1-99
"Blue smoke" means smoke emitted from the stack or engine area of a diesel-powered vehicle that, using the visible light spectrum as a guide, displays an obvious hue of the color blue.
N.H. Admin. Code § Saf-C 5802.03
#6887, EXEMPT, eff 1-1-99