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-MPDS Services Inc. <br /> _2401 Stanwell Drive Tel (510) 602-5120 <br /> `Concord, California 94520 Fax (510) 689-1918 <br /> i PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & 1 nn <br /> LOCATION _y_1(_ ,� 5��.��a � TIME SAMPLED ' P Mn <br /> 7_�Oj U, FIELD TECHNICIAN <br /> PURGE METHOD n DATE(S) PURGED 12- <br /> I <br /> WELL NUMBER Sb <br /> WATER LEVEL-INITIAL 5 SAMPLING METHOD 84�� <br /> WATER LEVEL-FINAL <br /> CONTAINERS <br /> WELL DEPTH Z 7- - 2 PRESERVATIVES t/019 ') <br /> WELL CASING VOLUME Z `� tCASING DIAMETER '- <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (ymhos/cmx100 ) or <br /> ys/cm <br /> 6� L/ Z <br /> t Conversion Factors Well Diameter Factor 5 = 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 = t 02 <br /> 6" 1 46 <br /> 8" 260 <br /> 12" 5 87 IP&S <br />