01528oam 2200433 a 450 991070287170332120090408143713.0(CKB)4970000000018980(OCoLC)309233095(EXLCZ)99497000000001898020090218d2009 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierClean Air Act[electronic resource] historical information on EPA's process for reviewing California waiver requests and making waiver determinations /[John B. Stephenson]Washington, DC :U.S. Govt. Accountability Office,[2009]8 pages digital, PDF fileTitle from title screen (viewed on Feb. 18, 2009).Author: John B. Stephenson."January 16, 2009.""GAO-09-249R."Includes bibliographical references.Clean Air ActAir quality managementLaw and legislationUnited StatesAirPollutionLaw and legislationUnited StatesAir quality managementLaw and legislationAirPollutionLaw and legislationStephenson John B1380816United States.Government Accountability Office.EJBEJBESRGPODOCUMENT9910702871703321Clean Air Act3500535UNINA