ap42 section 3 gasoline and diesel industrial engines title correpsondence comments 1992 enaine maiiufacturers association 401 nonn m chlgan avenle cncago i nons 60611 4267 31 2 644 661 0 to ema non road emissions group from glenn keller date april 23 re member input revise ap 42 emission factors please give your priority attention this request for factor data assist epa s contractor in the update of a they are requesting on stationam portable eneine applications spark ignited 20 250 hp dual fuel natural gas 45 up memo is self explanatory thought it best if members submitted their directly acurex environmental attachment cc michael chan 13125276658 p 02 rr __ iz c 14 g fkopi hcurex enuirunmentf4l corporation 22 mr executive director engine manufacturers n michigan avenue chicago illinois dear currently engaged an chapters 1 yohune document air ppllyfpqt e&