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MPDS Services Inc <br /> 7�r01 Stanwell DriveTel {510) 602-5120 <br /> +Concord, California 94520 Fax (510) 689-1918 <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & y Jl >: / � A M <br /> LOCATION TIME SAMPLED <br /> s6c6 /���, �� FIELD TECHNICIAN v 74 <br /> PURGE METHOD SDATE(S) PURGED _ 9I/4-I9 _ <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL SAMPLING METHOD <br /> WATER LEVEL-FINAL `�� `�✓ CONTAINERS Z <br /> WELL DEPTH `1 PRESERVATIVES tfD 19 J 1fc I <br /> WELL CASING VOLUME L 6T tCASING DIAMETER 2-� f <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) ([jumhoslcm)x100) ( ± 0,2) <br /> { ± 1 OF) { ± 10% of TOTAL <br /> fz S"I <br /> 9z 4 � 3 <br /> t Correction Factors Well Diameter Factor <br /> 2„ 0 17 <br /> 3° 037 <br /> 4" 065 <br /> 4 5" 082 <br /> 6" 1 46 <br /> 8" 26 <br /> 12" 5 87 /P&S <br />