01942nam 2200445 450 991071334170332120200403162245.0(CKB)5470000002500227(OCoLC)1148477314(EXLCZ)99547000000250022720200403d1998 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierAdditional study of preconditioning effects and other IM240 testing issues /prepared for: U.S. Environmental Protection Agency, Regional and State Programs Division ; prepared by: Sierra Research, IncSacramento, CA :Sierra Research, Inc.,1998.1 online resource (117 pages in various pagings) illustrations"February 2, 1998.""Report no. SR98-02-01"--Cover."EPA-420-R-98-103."Includes bibliographical references (pages 99-100).Motor vehiclesPollution control devicesInspectionUnited StatesMotor vehiclesMotorsExhaust gasStandardsUnited StatesMotor vehiclesMotorsExhaust gasStandardsfastMotor vehiclesPollution control devicesInspectionfastUnited StatesfastMotor vehiclesPollution control devicesInspectionMotor vehiclesMotorsExhaust gasStandardsMotor vehiclesMotorsExhaust gasStandards.Motor vehiclesPollution control devicesInspection.United States.Environmental Protection Agency.Office of Mobile Sources.Regional and State Programs Division,Sierra Research (Firm),GPOGPOBOOK9910713341703321Additional study of preconditioning effects and other IM240 testing issues3272048UNINA