01392nam 2200373Ka 450 991069481730332120060327161542.0(CKB)5470000002365540(OCoLC)65212683(EXLCZ)99547000000236554020060327d1997 ua 0engtxtrdacontentcrdamediacrrdacarrierMethod 365.5[electronic resource] Determination of Orthophosphate in Estuarine and Coastal Waters by Automated Colorimetric Analysis /Carl F. Zimmermann, Carolyn W. KeefeRevision 1.4.[Cincinnati, OH] :United States Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory,[1997]9 pages digital, PDF fileTitle from title screen (viewed on Mar. 27, 2006)."September 1997."Includes bibliographical references.Method 365.5 Water qualityGovernment policyUnited StatesWater qualityGovernment policyZimmermann Carl F1382454Keefe Carolyn W1382455National Exposure Research Laboratory (U.S.)GPOGPOBOOK9910694817303321Method 365.53429420UNINA