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r01S <br /> Services Inc. <br /> Stanvvell Drive Tel {510} 602-5120 <br /> Concord, California 94520 Fax (510) 689-1918 <br /> 40 PURGING/SAMPLING DATA SHEET <br /> SAMPLING / DATE & 1 _ <br /> LOCATION 4,6 TIME SAMPLED �'/�� ��' �� r 7-p-mm) <br /> cl4o-7 GryLi _At% FIELD TECHNICIAN <br /> PURGE METHOD T DATE(S) PURGED <br /> WELL NUMBER Ute' `7- <br /> WATER LEVEL-INITIAL 3 9 13 SAMPLING METHOD ,lea.( <br /> WATER LEVEL-FINAL 3 CONTAINERS 2- <br /> WELL DEPTH PRESERVATIVES #0 <br /> WELL CASING VOLUME tCASING DIAMETER �r <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (jumhoslcmx1UU ) or <br /> ErSlcm <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> 2" 0 17 Stabilization Criteria <br /> 3" 037 Temperature = t 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 />