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100   $a20140922d1999      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $2rdacontent
182   $2rdamedia
183   $2rdacarrier
200 10$aNew 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 /$fby Carolyn J. Oblinger Childress [and three others]
210  1$aReston, Virginia :$cU.S. Geological Survey,$d1999.
215   $a1 online resource (iv, 19 pages) $cillustrations
225 1 $aU.S. Geological Survey open-file report ;$v99-193
300   $aTitle from title screen (viewed on Sept. 22, 2014).
320   $aIncludes bibliographical references (pages 17-19).
606   $aChemical laboratories
606   $aWater quality$xMeasurement
606   $aEnvironmental monitoring
615  0$aChemical laboratories.
615  0$aWater quality$xMeasurement.
615  0$aEnvironmental monitoring.
700   $aOblinger$b Carolyn J.$01397658
712 02$aNational Water-Quality Laboratory (U.S.),
712 02$aGeological Survey (U.S.),
801  0$bGPO
801  1$bGPO
801  2$bGPO
801  2$bCOO
801  2$bGPO
906   $aBOOK
912   $a9910702681703321
996   $aNew 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$93525941
997   $aUNINA