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MPDS Services Inc. <br /> 2401 8itanweil Drive Tel (510) 602-5120 <br /> Concord, California 94520 Fax (510) 689-1918 <br /> 0— PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & A M <br /> LOCATION TIME SAMPLED `-), <br /> FIELD TECHNICIAN <br /> PURGE METHOD DATE(S) PURGED �,C/��? <br /> WELL NUMBER U <br /> WATER LEVEL-INITIAL -32 SAMPLING METHOD <br /> WATER LEVEL-FINAL 32- CONTAINERS 2- <br /> WELL <br /> WELL DEPTH S-4 6 E PRESERVATIVES U"d/'�J I��I <br /> WELL CASING VOLUME C/ tCASING DIAMETER � of <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (Nrnhoslcmx100 ) or <br /> ps/cm <br /> �� o may. 3 SJ � � �-• `�� <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> 2" 0 17 Stabilization Criteria <br /> 3" 0 37 Temperature = t 1 °F <br /> 4" 065 Conductivity = ± 10% of total <br /> 4 5" 082 pH = 0 2 <br /> 6" 1 46 <br /> 8" 2 60 <br /> 12" 587 11'&S <br />