01431nam 2200385 a 450 991070073270332120110804162147.0(CKB)5470000002411682(OCoLC)745101110(EXLCZ)99547000000241168220110804d1999 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierProposed finding on emission standards for new large spark-ignition nonroad engines[electronic resource][Ann Arbor, MI] :U.S. Environmental Protection Agency, Air and Radiation, Office of Mobile Sources,[1999]1 online resource (3 pages)Regulatory announcementTitle from PDF caption title screen (EPA, viewed Aug. 3, 2011)."January 1999.""EPA 420-F-99-004."Spark ignition enginesAirPollutionStandardsUnited StatesSpark ignition engines.AirPollutionStandardsUnited States.Environmental Protection Agency.United States.Environmental Protection Agency.Office of Mobile Sources.GPOGPOBOOK9910700732703321Proposed finding on emission standards for new large spark-ignition nonroad engines3093977UNINA