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a <br /> MPDS Services Inc. Tel: (510) 602-5120 <br /> 2401 Stanwell Drive Fax: (510) 689-1918 <br /> Concord, California 94520 <br /> i PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & A <br /> r <br /> LOCATION: G ' a Y TIME SAMPLED <br /> k S P.nn <br /> FIELD TECHNICIAN ' e- <br /> PURGE METHOD DATE(S) PURGED $- <br /> WELL NUMBER U <br /> WATER LEVEL-INITIAL 7 SAMPLING METHODc� <br /> WATER LEVEL-FINAL CONTAINERS <br /> WELL DEPTH 19 G - <br /> PRESERVATIVES <br /> WELL CASING VOLUME tCASING DIAMETER <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) ([pmhos/cm]x100) ( -f 0.2) <br /> ( ± 1 OF) ( ± 10% of TOTAL <br /> 1 - Ds� I � • �{ 9 j � 7 31' <br /> t Correction Factors: Well Diameter Factor <br /> 2" 0.17 <br /> 3" 0.37 <br /> 4" 0.65 <br /> 4.5" 0.82 <br /> 6" 1.46 <br /> 8.1 2.6 <br /> 12" <br /> 5.87 /P&S <br />