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MPDS Services Inc. <br /> 240.1 Stanwell Drive Tel (510) 602-5120 <br /> Concord, California 94520 Fax (510) 689-1918 <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & � <br /> LOCATION /Z _ Ti TIME SAMPLED y`f P M <br /> /G35/ CQr,7ric�� 2 �_ FIELD TECHNICIAN <br /> PURGE METHOD P=-z �.� DATE(S) PURGED �zJZI �i- <br /> WELL NUMBER U 3 <br /> WATER LEVEL-INITIAL SAMPLING METHODct�T/ <br /> WATER LEVEL-FINAL S CONTAINERS <br /> WELL DEPTH IC PRESERVATIVES ___ IlGf'i SCI <br /> WELL CASING VOLUME / 3 tCASING DIAMETER 2,!' <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (Nmhos/cmx100 } or <br /> NS/cm <br /> � 3 � <br /> Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> 2" 0 17 Stabilization Criteria <br /> 3" 0 37 Temperature = t 1 OF <br /> 4" 065 Conductivity = ± 10% of total <br /> 45" 082 pH t 02 <br /> 6" 1 46 <br /> 8" 2 60 <br />