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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 & IA M <br /> LOCATION TIME SAMPLED ZI z <br /> ,13 FIELD TECHNICIAN lf�s <br /> PURGE METHOD S-4 • DATE(S) PURGED Z <br /> WELL NUMBER u <br /> WATER LEVEL-INITIAL 3 Z c SAMPLING METHOD <br /> WATER LEVEL.-FINAL 3 3 `� � CONTAINERS 7— <br /> WELL <br /> WELL DEPTH At -' s Z PRESERVATIVES V[,AA <br /> WELL CASING VOLUME tCASING DIAMETER 7- <br /> ELECTRICAL ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) ([pmhoslcm]x100) ( ± 0 2) <br /> {± 1 0 F) ( ± 10% of TOTAL <br /> L z C� ) <br /> 60 <br /> i <br /> i <br /> t Correction Factors Well Diameter Factor <br /> 2" 0 170 � <br /> 3" 0 37 <br /> 4" 065 <br /> 45" 082 <br /> 6" 1 46 <br /> W. 2 6 <br /> 12" 5 87 IP&S <br />