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� ' r <br /> MPDS Services Inc. <br /> 2401 Stanweil Drive Tel: (510) 602-5120 <br /> Concord, California 94520 Fax: (510) 689-1918 <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & p � <br /> LOCATION: �� 7�° '— %r c, r � TIME SAMPLED <br /> FIELD TECHNICIAN �bf <br /> PURGE METHOD - i Iry DATE(S) PURGED <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL 7. Z SAMPLING METHOD <br /> WATER LEVEL-FINAL _+ CONTAINERS <br /> WELL DEPTH _ _ 1 �� a'I PRESERVATIVES <br /> WELL CASING VOLUME; 2 tCASING DIAMETER <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> 0 TIME PURGED (°F) (Wmhos/cm)x1000 [ ± 0.2) <br /> { - 1 OF) { ± 10% of TOTAL <br /> 7.176 <br /> 1I ' 12 7d, <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" 2.6 <br /> 12" 5.87 /P&S <br />