01316oam 2200373 a 450 991070144060332120120224135731.0(CKB)5470000002418673(OCoLC)55140691(EXLCZ)99547000000241867320040514d2001 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierAnalytical methods[electronic resource] guidelines establishing test procedures for the analysis of pollutants--analytical methods for biological pollutants in ambient water--proposed rule[Washington, D.C.] :U.S. Environmental Protection Agency, Office of Water,[2001]1 online resourceTitle from title screen (viewed May 14, 2004)."May 2001.""EPA-821-F-01-005."Analytical methods Water quality managementGovernment policyUnited StatesWater quality managementGovernment policyUnited States.Environmental Protection Agency.Office of Water.GPOGPOOCLCQGPOBOOK9910701440603321Analytical methods1489318UNINA