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MPDS Services Inc <br /> 2407 Stanwell Drive Tel (510! 602-5120 <br /> Fax (510} 689-1918 <br /> Concord, California 94520 <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & 40 <br /> LOCATION TIME SAMPLED �, /11,19} 11, 26 P M <br /> /'r3 FIELD TECHNICIAN Zjgj2 4 <br /> PURGE METHOD h DATE(S) PURGED LILIAL, <br /> WELL NUMBER U 21 <br /> WATER LEVEL-INITIAL R f Z SAMPLING METHOD <br /> WATER LEVEL-FINAL �� / CONTAINERS 5 <br /> WELL DEPTH /3' PRESERVATIVES <br /> WELL CASING VOLUME 6 T tCASING DIAMETER Zf <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (Nmhos/cmx 100 ) or <br /> ErS/cm <br /> 67 3 ) Z <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> 2" 0 17 Stabilization Criteria <br /> 3" 037 Temperature = t 1 OF <br /> 4" 065 Conductivity = t 10% of total <br /> 45" 082 pH = t 02 <br /> 6' 1 46 <br /> 8" 260 <br /> 12" 5 87 /P&S <br />