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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 <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & A-M` <br /> LOCATION J� X-ST S n TIME SAMPLED /6 /d94 44 12 G zm <br /> Z-7-1) 1 JJ. /`f r6me FIELD TECHNICIAN t/ fops <br /> PURGE METHOD DATE(S) PURGED /74/ <br /> WELL NUMBER SS <br /> WATER LEVEL-INITIAL 7' -r:� SAMPLING METHOD <br /> WATER LEVEL-FINAL 6 CONTAINERS <br /> WELL DEPTH PRESERVATIVES 16R C I <br /> WELL CASING VOLUME 1 3 tCASING DIAMETER 2, <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY PH <br /> TIME PURGED {°F) {Nmllos/cmx100 } or <br /> PS/cm <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> 2' 0 17 Stabilization Criteria <br /> 3" 0 37 Temperature = ± 1 IF <br /> 4" 065 Conductivity = ± 10% of total <br /> 45" 082 pH = ± 02 <br /> 6" 1 46 <br /> 8" 260 <br /> 12" 5 87 /P&S <br />