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MPDS Services Inc. <br /> 2401 Stanwell Drive Tel (510) 602-5120 <br /> Concord, California 94520 Fax (510) 689-1918 <br /> 0- PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE. & A M <br /> LOCATION s0y - TIME SAMPLED _ ` �M,f �, <br /> FIELD TECHNICIAN ✓�,�t/l�, <br /> PURGE METHOD /"---�-- , DATE(S) PURGED 9Lt <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL '-/`f. SAMPLING METHOD <br /> WATER LEVEL-FINAL Y `7, S 1 CONTAINERS 2- <br /> WELL <br /> WELL DEPTH �`�- �` Z PRESERVATIVES UGC, <br /> WELL CASING VOLUME 3 tCASING DIAMETER z'' <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (ymhos/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" 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 />