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MPDS Services Inc. <br /> 2401 "Startwell Drive Tel (510) 602-5120 <br /> y Concord, California 94520 Fax (510) 689-1918 <br /> 0 PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & A M <br /> LOCATION #- -S­996e n _ TIME SAMPLED .9J2,1Iq- PM <br /> 1 j�/, ��rr� ��� FIELD TECHNICIAN Va.&-& <br /> PURGE METHOD PLDATE(S) PURGED 7Z7ZZJ t <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL SAMPLING METHOD -Ae I <br /> WATER LEVEL-FINAL l 3 a� CONTAINERS V <br /> WELL DEPTH Z �~ �- PRESERVATIVES M010 ') tf C I <br /> WELL CASING VOLUME i ) tCASING DIAMETER 1: <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (/umhos/cmx100 ) or <br /> PS/cm <br /> 6G/ s 3 $3 <br /> q. 170 <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> . 2" 0 17 Stabilization Criteria <br /> 3" 0 37 Temperature = ± 1 OF <br /> 4" 065 Conductivity = ± 10% of total <br /> 45" 082 pH = t 02 <br /> 6" 1 46 <br /> 8" 260 <br /> 12" 5 87 /P&S <br />