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MPDS Services Inc <br /> 2401 Stanwell Drive Tel (510) 602-5120 <br /> Concord, California 94520 Fax (510) 689-1918 <br /> . PURGING/SAMPLING DATA SHEET <br /> SAMPLING /I DATE & A M <br /> LOCATION TIME SAMPLED 1 b 5 �L 161D 3 P M <br /> FIELD TECHNICIAN _ ilo,r i-&" <br /> PURGE METHOD --ter DATES? PURGED 911 -6191 <br /> WELL NUMBER HG-; C� <br /> WATER LEVEL-INITIAL q ( Z t SAMPLING METHOD 1_34z. <br /> WATER LEVEL-FINAL `/ Z CONTAINERS <br /> WELL DEPTH _�"y • PRESERVATIVES t/6 <br /> WELL CASING VOLUME `� `�`� tCASING DIAMETER 2- <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> E PURGED (°F? (yrnhos/cmx100 ) or <br /> TIME r <br /> ySl cm <br /> C :3ti <br /> Lk <br /> IF- I <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> . 2" 017 Stabilization Criteria <br /> 3" 037 Temperature = ± 1 °F <br /> 4" 065 Conductivity = ± 10% of total <br /> 45" 082 pH = t 02 <br /> 6" 1 46 <br /> 8" 260 <br /> 12" 587 /P&S <br />