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MPDS Services Inc <br /> 2401 Stanwell Drive Tel {510) 602 5120 <br /> Concord California 94520 Fax )510) 669-1918 <br /> PURGING/SAMPLING DATA SHEET <br /> MPLING / DATE & A rh <br /> LOCATION G_7 AD c- TIME SAMPLED SrI L 19 S-2 <br /> l✓_ �(4��. `(.t___ FIELD TECHNICIAN <br /> PURGE METHOD � DATE(S) PURGED <br /> WELL NUMBER S <br /> WATER LEVEL-INITIAL •9� _ SAMPLING METHOD <br /> WATER LEVEL-FINAL CONTAINERS <br /> WELL DEPTH / PRESERVATIVES _ Llcp fLC <br /> I <br /> WELL CASING VOLUME ` C #CASING DIAMETER 2 <br /> I <br /> I <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) Upmhos/cm]x100) ( ± 0 2) <br /> ( ± 1 °F) ( ± 10% of TOTAL <br /> J7 b <br /> 3 <br /> -Z, <br /> Y �' � l <br /> t Correction Factors Well Diameter Factor <br /> 2 0 17 <br /> • 3' 0 <br /> 4' 0 65 65 <br /> 4 5" 0 82 <br /> 6' 1 46 <br /> 8' 2 6 <br /> 12' 5 87 /P&S <br /> 1 <br />