01661oam 2200481 450 991070248480332120130604105749.0(CKB)5470000002427317(OCoLC)823635417(EXLCZ)99547000000242731720130108d2008 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierMobile source observation database (MSOD) user guide and reference[Washington, D.C.] :Assessment and Standards Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency,2008.1 online resource (i, 189 pages) illustrationsTitle from title screen (viewed on Jan. 08, 2013)."November 2008.""EPA420-B-08-017."Mobile source observation database AirPollutionData processingMotor vehiclesMotorsExhaust gasDatabasesGasolineAirPollutionDiesel fuelsAirPollutionData processing.Motor vehiclesMotorsExhaust gasGasoline.AirPollution.Diesel fuels.United States.Environmental Protection Agency.Office of Transportation and Air Quality.Assessment and Standards Division.ELCELCELCOCLCOGPOBOOK9910702484803321Mobile source observation database (MSOD)3543175UNINA