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MPDS Services Inc. <br /> 2401 Stanwell Drive Tel (5101 602-5120 <br /> Fax (510) 689-1918 <br /> Concord, California 94520 <br /> 40 PURGING/SAMPLING DATA SHEET <br /> SAMPLING /I DATE & _ A M <br /> LOCATION -S7)C TIME SAMPLED z l31c3 z,-Z) Z <br /> cq �- D"lz c,lr FIELD TECHNICIAN "41z' <br /> PURGE METHOD s� �� – DATE(S) PURGED <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL 33 SAMPLING METHOD <br /> WATER LEVEL-FINAL 53 CONTAINERS Z <br /> WELL DEPTH -5- 7 L PRESERVATIVES t/4)/9 <br /> WELL CASING VOLUME —; tCASING DIAMETER 2- <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) ([Nmh0slcm1x100) i - 0 2) <br /> ( 1 o F) ( ± 10% of TOTAL <br /> 99 <br /> t Correction Factors Well Diameter Factor <br />. 2" 0 17 <br /> 3" 037 <br /> 4" 0 65 <br /> 4 5" 082 <br /> 6" 1 46 <br /> 13" 26 1P&S <br /> 12" 5 87 <br />