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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 1 DATE & <br /> LOCATION /�'�-- S�e.i4L _. TIME SAMPLED ' 8AJ/4} 1*1.' 3 3 P m <br /> FIELD TECHNICIAN Vga , <br /> PURGE METHOD 0 DATE(S) PURGEDI�/� <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL 0 `� SAMPLING METHOD ,I <br /> WATER LEVEL-FINAL 33, Z z- CONTAINERS Z_ <br /> WELL DEPTH s PRESERVATIVES tr6 <br /> WELL CASING VOLUME 3 3 L tCASING DIAMETER � 1 <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (/umhos/cmx 100 ) or <br /> NS/cm <br /> n <br /> 7a 6 <br /> L L <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> . 2" 017 Stabilization Criteria <br /> 3" 0 37 Temperature = :t 1 OF <br /> 4" 0 65 Conductivity = ± 10% of total <br /> 45" 082 pH = t 02 <br /> 6" 1 46 <br /> 8" 260 <br /> 12" 5 87 /P&S <br />