§ 26-04 Classification Levels.
RCNY § 26-04
Level IV A Closed Crankcase Filtration System in combination with any Diesel Particulate Filter (DPF) or other technology verified for a specific application from either the CARB or EPA verified lists that reduces particulate matter emissions by 85 percent or greater, or reduces engine emissions to less than or equal to 0.01 grams diesel particulate matter per brake horsepower-hour. Level III A Closed Crankcase Filtration System in combination with any DPF or Flow Through Filter or combination of technologies verified for a specific application from either the CARB or EPA verified lists that reduces diesel particulate matter emissions by between 50 and 84 percent. Level II A Closed Crankcase Filtration System in combination with any DOC or Flow Through Filter or other technology verified for a specific application from either the CARB or EPA verified lists that reduces diesel particulate matter emissions by between 25 and 49 percent. Level I A Closed Crankcase Filtration System in combination with any DOC or emulsified diesel fuel or Flow Through Filter or other technology verified for a specific application from either the CARB or EPA verified lists that reduces diesel particulate matter emissions by between 20 and 24 percent.
