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MPDS Services Inc. <br /> 2401 Stanwell Drive Tel (510) 602-5120 <br /> Concord, California 94520 Fax (510) 689-1918 <br /> 0 PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & _ A M <br /> LOCATION A DIS�� KS" �� r, TIME SAMPLED �' "/ �� `�� 3' P M <br /> 413 6. /k-"ay_ FIELD TECHNICIAN <br /> PURGE METHOD ec._--4- DATE(S) PURGED �- <br /> WELL NUMBER L1 <br /> WATER LEVEL-INITIAL .3Z SAMPLING METHOD <br /> WATER LEVEL-FINAL z �� CONTAINERS 2- <br /> i <br /> WELL DEPTH 6 E PRESERVATIVES V61�J CI _ <br /> WELL CASING VOLUME C/ tCASING DIAMETER � <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (a F) (,umhos/cmx100 ) or <br /> a - ys/cm <br /> �- • l< <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> 2" 0 17 Stabilization Criteria <br /> 3" 0 37 Temperature = t 1 °F <br /> 4" 065 Conductivity = t 10% of total <br /> 45" 082 pH = f 0 2 <br /> 6" 1 46 <br /> 8" 260 <br /> 12" 5 87 /P&S <br />