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MPDS Services Inc <br /> 24QI Stanwell Drive Tel (510) 602-5120 <br /> Concord, California 94520 Fax (510) 689-1918 <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & <br /> LOCATION TIME SAMPLED t/�S/l� /o y _ P nn_ <br /> zf f ' . FIELD TECHNICIAN <br /> PURGE METHOD 4 - �..� .. � DATE(S) PURGED f <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL SAMPLING METHOD <br /> WATER LEVEL-FINALS CONTAINERS L <br /> WELL DEPTH sy PRESERVATIVES z/ <br /> WELL CASING VOLUME 3 / 7 tCASING DIAMETER ' <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (L►mhos/cm)x100) ( ± 0 2) <br /> (± 1 OF) { ± 10% of TOTAL <br /> t Correction Factors Well Diameter Factor <br />. 2" 0 17 <br /> 3" 0 37 <br /> 4" 065 <br /> 45" 082 <br /> 6" 1 46 <br /> 8" 2 6 <br /> 12" 5 87 /P&S <br />