01791oam 2200445 450 991070268170332120141028092128.0(CKB)5470000002429369(OCoLC)891102429(EXLCZ)99547000000242936920140922d1999 ua 0engurbn|||||||||rdacontentrdamediardacarrierNew reporting procedures based on long-term method detection levels and some considerations for interpretations of water-quality data provided by the U.S. Geological Survey National Water Quality Laboratory /by Carolyn J. Oblinger Childress [and three others]Reston, Virginia :U.S. Geological Survey,1999.1 online resource (iv, 19 pages) illustrationsU.S. Geological Survey open-file report ;99-193Title from title screen (viewed on Sept. 22, 2014).Includes bibliographical references (pages 17-19).Chemical laboratoriesWater qualityMeasurementEnvironmental monitoringChemical laboratories.Water qualityMeasurement.Environmental monitoring.Oblinger Carolyn J.1397658National Water-Quality Laboratory (U.S.),Geological Survey (U.S.),GPOGPOGPOCOOGPOBOOK9910702681703321New reporting procedures based on long-term method detection levels and some considerations for interpretations of water-quality data provided by the U.S. Geological Survey National Water Quality Laboratory3525941UNINA