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' MPDS Services Inc <br /> 2401 Stanwell Dave Tel f510} 602-5120 <br /> Fax (510) 689-1918 <br /> Concord, California 94520 <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING <br /> DATE & ` <br /> LOCATION } 0I Z 3 72-aa --1 TIME SAMPLED Y P M <br /> FIELD TECHNICIAN <br /> PURGE METHOD 8 DATES? PURGED <br /> WELL NUMBER L� <br /> WATER LEVEL-INITIAL �� 3 SAMPLING METHOD <br /> WATER LEVEL-FINAL. c/ 3 CONTAINERS <br /> WELL DEPTH / 6 9 PRESERVATIVES f s <br /> WELL CASING VOLUME tCASING DIAMETER �JJ <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (Nmhoslc=100 } or <br /> NSlcm <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> 2" 0 17 Stabilization Criteria - <br /> 3" 037 Temperature = t 1 °F <br /> 4" 065 Conductivity = t 10% of total <br /> 45" 082 pH = + 02 <br /> 6" 1 46 <br /> a" 260 <br /> 12" 5 87 IP&S <br />