01167nam 2200385 450 991070796030332120170131135205.0(CKB)5470000002468965(OCoLC)970697263(EXLCZ)99547000000246896520170131d1991 ua 0engurcn||||a|u||txtrdacontentcrdamediacrrdacarrierAllowance system proposed acid rain ruleWashington, D.C. :United States Environmental Protection Agency, Air and Radiation,1991.1 online resource (6 pages)"December 1991.""400/1-91/034."Allowance system Acid rainPollution preventionElectric utilitiesUnited StatesAcid rain.Pollution prevention.Electric utilitiesUnited States.Environmental Protection Agency.Office of Air and Radiation,GPOGPOBOOK9910707960303321Allowance system3486914UNINA