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MPDS Services Inc. <br /> 2401 Sfanwell Drive Tel: (510? 602-5120 <br /> Concord, California 94520 Fax: (510) 689-1918 <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & <br /> LOCATION: • c l<c, - TIME SAMPLED IL g C 1 3 P.M. <br /> 2 e) 2, 11 S FIELD TECHNICIAN J <br /> PURGE METHOD I DATE(S) PURGED <br /> WELL NUMBER _4F 3 <br /> WATER LEVEL-INITIAL ?` �3 SAMPLING METHOD <br /> WATER LEVEL-FINALCONTAINERS <br /> WELL DEPTH 2 4. 4 5 PRESERVATIVESy' <br /> r <br /> WELL CASING VOLUME / > tCASING DIAMETER _ <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) ([Nmhoslcmlx100b ( ± 0.2) <br /> [ ± <br /> 10F) ( -t 10% of TOTAL <br /> 0 � - � L 7. sz- <br /> I3 z <br /> f � r2`' <br /> 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 IP&S <br /> 1 <br />