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MPDS Services Inc <br /> 2401 Stanwell Drive Tel (510) 602-5120 <br /> , Concord, California 94520 Fax (510) 689-1918 <br /> . PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & <: <br /> LOCATION _f' 0/Z3 T►-4c.y TIME SAMPLED 9 3 /9-- _ .'C, � PM <br /> _/ 31,/ FIELD TECHNICIAN ✓�cLf/r!�,� <br /> PURGE METHOD _ _ DATE(S) PURGED <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL 9 SAMPLING METHOD / <br /> WATER LEVEL-FINAL 9 70 CONTAINERS - <br /> WELL DEPTH _ ! /3 PRESERVATIVES Ll it I r hfG/ <br /> WELL CASING VOLUME 1, 27, tCASING DIAMETER 2—JI <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (Nmhos/cmx100 } or <br /> NS/cm <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> • 2" 0 17 Stabilization Criteria <br /> 3" 0 37 Temperature = t 1 °F <br /> 4" 0 65 Conductivity = t 10% of total <br /> 45" 082 pH = t 02 <br /> 6" 1 46 <br /> 8" 260 <br /> 12" 587 /P&S <br />