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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 DATE & <br /> LOCATION z8.s � 6-ke'l'�n TIME SAMPLED 5- 2- g Ann <br /> FIELD TECHNICIAN <br /> PURGE METHOD DATE(S) PURGED X g--�t <br /> WELL NUMBER 14 11 �o <br /> WATER LEVEL-INITIAL 2 SAMPLING METHOD <br /> WATER LEVEL-FINAL _ Z?. CONTAINERS 2- <br /> WELL <br /> WELL DEPTH S-11 J_ PRESERVATIVES t 'a Cl <br /> WELL CASING VOLUME sr / c tCASING DIAMETER <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) ([ymhos/cm)x100) ( ± 0 2) <br /> ( ± <br /> 1 OF) ( ± 10% of TOTAL <br /> 5�_ <br /> t Correction Factors Well Diameter Factor <br /> 2" 0 17 <br /> 3" 037 <br /> 4" 065 <br /> 45" 082 <br /> 6" 1 46 <br /> 8" 2 6 <br /> 12" 5 87 /P&S <br />