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MPDS Services Inc. <br /> 2401 Stanwell Drive Tel {510) 602-5120 <br /> Concord, California 94520 Fax 1510) 689-1918 <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & AM <br /> LOCATION / �— TIME SAMPLED 3, <br /> r AJC. FIELD TECHNICIAN <br /> PURGE METHOD 5,_A ��� �� DATE(S) PURGED ; <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL -37 1 Q SAMPLING METHOD <br /> WATER LEVEL-FINAL 32 (/9 CONTAINERS 2— <br /> WELL <br /> WELL DEPTH PRESERVATIVES ICI <br /> WELL CASING VOLUME y `�� tCASING DIAMETER 2-21 <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) Wmhos/c=100 ) or <br /> YS/cm <br /> .' -76 <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> is2" 0 17 Stabilization Criteria <br /> 3" 037 Temperature = t 1 OF <br /> 4" 065 Conductivity = ± 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 />