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MPDS Services Inc. <br /> 2401 r Stanwell Drive Tel (510) 602-5120 <br />-Concord, California 94520 Fax (510) 689-1918 <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & A M <br /> LOCATION ##E/ `4-- �57 ���on_ TIME SAMPLED <br /> �3� GLN /�`�• FIELD TECHNICIAN !� 1.�� <br /> PURGEMETHOD ���._ r,� DATE(S) PURGED �- <br /> WELL NUMBER C/ <br /> WATER LEVEL-INITIAL 32- 43 SAMPLING METHOD <br /> WATER LEVEL-FINAL 3 z � CONTAINERS �- <br /> WELL DEPTH -s� Y PRESERVATIVES <br /> WELL CASING VOLUME 3 S-D tCASING DIAMETER 2- <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (( F) (Ermhos/cmx100 ) or <br /> NS/cm <br /> t Conversion Factors Weil Diameter Factor S = Siemens = mhos <br /> . 2" 0 17 Stabilization Criteria <br /> 3" 037 Temperature = t 1 IF <br /> 4" 0 65 Conductivity = t 10% of total <br /> 45" 082 pH = t 02 <br /> 6" 1 46 <br /> 8" 2 60 <br /> 12" 5 87 /P&S <br />