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MPDS Services Inc <br /> 2401 Stanwell 6rive Tel (510) 602-5120 <br /> Concord, California 94520 Fax 151 O) 689-1918 <br /> 4 PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & <br /> LOCATION t� 69g1- jk c l� n TIMESAMPLED x '16 Ig �- 3,��ZZCCU <br /> -704 ASC j v�' C_ FIELD TECHNICIAN V f" <br /> PURGE METHOD _ u , DATE(S) PURGED <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL 3 1 Z SAMPLING METHOD , I <br /> WATER LEVEL-FINAL 7 Sof- CONTAINERS L <br /> r <br /> WELL DEPTH S`i Z 3 PRESERVATIVES Lr6 A 1 o <br /> WELL CASING VOLUME IL� °1 `� tCASING DIAMETER <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (o F) (yrnhos/cmx100 } or <br /> ys/cm <br /> j z y <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> 2" 0 17 Stabilization Criteria <br /> 3" 0 37 Temperature = ± 1 °F <br /> 4" 065 Conductivity = t 10% of total <br /> 4 5" 082 pH = t 0 2 <br /> 6" 1 46 <br /> 8" 260 <br /> 12" 5 87 /P&S <br />