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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 z irrg_ �S .� TIME SAMPLED /0 •`sem <br /> 66 ~ �� FIELD TECHNICIAN <br /> PURGE METHOD 4 DATE(S) PURGED -IrAJ I I- <br /> WELL NUMBER "y 5� <br /> WATER LEVEL-INITIAL Z�•�'e SAMPLING METHOD _ B <br /> WATER LEVEL-FINAL CONTAINERS 2-- <br /> WELL <br /> WELL DEPTH PRESERVATIVES GJ <br /> WELL CASING VOLUME tCASING DIAMETER <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) Qumhos/cm]x100) { ± 0 2) <br /> ( ± 1 OF) ( ± 10% of TOTAL <br /> 10 <br /> 0 6, (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 />