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MPDS Services Inc <br /> 2401 Stanwell Drive <br /> Concord, California 94520 Tel (510) 602-5120 <br /> Fax (510) 689-1918 <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & <br /> LOCATION -# a/94 s ���an TIME SAMPLEDA M <br /> z s <br /> �3� "� `� FIELD TECHNICIAN ✓ ��7� a <br /> PURGE METHOD �'� DATE(S) PURGED /)/3I,7 <br /> WELL NUMBER U <br /> WATER LEVEL-INITIAL 33 31 SAMPLING METHOD <br /> WATER LEVEL-FINAL 33 SL CONTAINERS Z- <br /> WELL DEPTH PRESERVATIVES A� <br /> WELL CASING VOLUME tCASING DIAMETER 2, <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> 7TIMEPURGED (°F) (,umhos/cmx100 ) or <br /> � s/cm <br /> Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> 2" 0 17 Stabilization Criteria <br /> 3" 037 Temperature = t 1 OF <br /> 4" 065 Conductivity = t 10% of total <br /> 4 5" 0 82 pH = t 0 2 <br /> 6" 1 46 <br /> 8" 260 <br /> 12" 5 87 IP&S <br />