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MPDS Services Inc • <br /> 2401 Stanwell Drive Tel (510) 602-5120 <br /> Concord, California 94520 Fax (510) 689-1918 <br /> i PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & A <br /> LOCATION TIME SAMPLED <br /> z lt' �1or��tr� FIELD TECHNICIAN ✓a,c';?'` <br /> PURGE METHOD f' DATE(S) PURGED f7hA_ _ <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL �'Z�' SAMPLING METHOD <br /> WATER LEVEL-FINAL y CONTAINERS �k <br /> WELL DEPTH 7 3 9 PRESERVATIVES tlu .9 <br /> WELL CASING VOLUME tCASING DIAMETER Z-' <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (OF) (Nmhoslcmx100 1 or <br /> ys/cm <br /> Z; a -4-6 <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> 2" 017 Stabilization Criteria <br /> 3" 0 37 Temperature = t 1 OF <br /> 4" 065 Conductivity = t 10% of total <br /> 45" 082 pH = t02 <br /> 6" 1 46 <br /> 8" 260 <br /> 12" 5 87 /P&S <br />