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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 I DATE & <br /> LOCATION of S �- S7bG. 7� TIME SAMPLED 1! 3��� �` A M <br /> PM <br /> A3.- FIELD TECHNICIAN f s <br /> PURGE METHOD DATE(S) PURGED // 3 <br /> WELL NUMBER U S <br /> WATER LEVEL-INITIAL -Ty /Z SAMPLING METHOD -� <br /> WATER LEVEL-FINAL 3 • Z CONTAINERS 72— <br /> WELL <br /> WELL DEPTH Sz PRESERVATIVES [T DA�, Cl <br /> WELL CASING VOLUME 3 1 �f tCASING DIAMETER ' ' <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (OF) (Nmhos/cmx100 ) or <br /> NS/cm <br /> (9� 3 5 3 <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> 2" 0 17 Stabilization Criteria <br /> 3" 0 37 Temperature = t 1 IF <br /> 4" 065 Conductivity = t 10% of total <br /> 45" 082 pH = t 02 <br /> 6" 1 46 <br /> $" 260 <br /> 12" 5 87 /P&S <br />