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{ <br /> r <br /> 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 DATE & <br /> LOCATION: o?A"'Y( Ir r TIME SAMPLED //� r `� lf.'iv P.M. <br /> Y-2 e S - FIELD TECHNICIAN _ SP, <br /> PURGE METHOD U w• n DATE(S) PURGED �/- q <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL ��_ 3n SAMPLING METHODG=� I <br /> WATER LEVEL-FINAL `1 S CONTAINERS 5 <br /> WELL DEPTH PRESERVATIVES V/ <br /> WELL CASING VOLUME 7 ,7 tCASING DIAMETER '-? <br /> ELECTRICAL <br /> • GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) ([Nmhos/cm1x10CV {± 0.2) <br /> ( ± <br /> 10F) (f 10% of TOTAL <br /> d G Y.zf <br /> 70, ( T• / 'L 7 . 3 -2- <br /> -7 z_ <br /> -2-- <br /> -7o. z f 7--1 <br /> . t Correction Factors: Well Diameter Factor <br /> 2" 0.17 <br /> 3" 0.37 <br /> 4" 0.65 <br /> 4.5" 0.82 <br /> 6" 1.46 <br /> 8" 2.6 <br /> 12" 5.87 /P&S <br />