01476nam 2200385Ka 450 991069481740332120060327160934.0(CKB)5470000002365539(OCoLC)65212638(EXLCZ)99547000000236553920060327d1997 ua 0engtxtrdacontentcrdamediacrrdacarrierMethod 353.4[electronic resource] Determination of Nitrate and Nitrite in Estuarine and Coastal Waters by Gas Segmented Continuous Flow Colorimetric Analysis /Jia-Zhong Zhang, Peter B. Ortner and Charles J. FischerRevision 2.0.[Cincinnati, OH] :United States Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory,[1997]20 pages digital, PDF fileTitle from title screen (viewed on Mar. 27, 2006)."September 1997."Includes bibliographical references.Method 353.4 Water qualityGovernment policyUnited StatesWater qualityGovernment policyZhang Jiazhong1228865Ortner Peter B1383721Fischer Charles J67187National Exposure Research Laboratory (U.S.)GPOGPOBOOK9910694817403321Method 353.43428943UNINA