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MPDS Services Inc. Tel [510) 602-5120 <br /> 2401 Stanwell Drive <br /> •Concord, California 94520 Fax 1510) 689-1918 <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & A M <br /> LOCATION #012-3 -- TIME SAMPLED / <br /> /0.31f FIELD TECHNICIAN t/�Lrs <br /> PURGE METHOD DATE(S) PURGED lz11/ 9 <br /> WELL NUMBER L1 1 <br /> WATER LEVEL-INITIAL g• 24 SAMPLING METHOD <br /> WATER LEVEL-FINAL 9. 7 CONTAINERS <br /> WELL DEPTH /�- g PRESERVATIVES t✓d dC <br /> WELL CASING VOLUME #CASING DIAMETER Zj <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (OF) {[mhos/cm]x100) { ± 0.2) <br /> { ± 1 OF) { } 10% of TOTAL <br /> 71? 9'p <br /> X65 <br /> t Correction Factors Wel! Diameter Factor <br /> 2" 0 17 <br /> 40 3" 0 37 <br /> 4" 065 <br /> 45" 082 <br /> 6" 1 46 <br /> 8" 2 6 <br /> 12" 5 87 /P&S <br />