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MPDS Services Inc <br /> ;2401 Stanwell Drive Tel (510) 602-5120 <br /> Concord, California 94520 Fax (510) 689-1918 <br /> • PURGINGISAMPLING DATA SHEET <br /> SAMPLING // DATE & 1 A M <br /> LOCATION -� '�- -S�z: �` TIME SAMPLED /Z-// <br /> 2-401 A/ IL4d FIELD TECHNICIAN ✓ /us <br /> PURGE METHOD _ _ �� DATE(S) PURGED Iz 1 / <br /> WELL NUMBER M tij 2- <br /> WATER <br /> WATER LEVEL-INITIAL 7 C 3 SAMPLING METHOD <br /> WATER LEVEL-FINAL 7 CONTAINERS 4 <br /> WELL DEPTH Z 7r � ) PRESERVATIVES ✓t) �' S AGI <br /> WELL CASING VOLUME tCAS1NG DIAMETER <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (Nmhoslcmx 100 } or <br /> NSlcm <br /> Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> 2" 0 17 Stabilization Criteria <br /> 3" 037 Temperature = ± 1 OF <br /> 4" 065 Conductivity = ± 10% of total <br /> 45" 082 pH = ± 02 <br /> 6" 1 46 <br /> 8" 260 <br /> 12" 5 87 rP&S <br />