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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 & A M <br /> LOCATION #fZL�5 �_ 571c��,� r� TIME SAMPLED <br /> FIELD TECHNICIANS <br /> PURGE METHOD /�c� --�� DATE(S) PURGED r }I g �- <br /> WELL NUMBER "'Jtj <br /> WATER LEVEL-INITIAL 29 SE SAMPLING METHOD 13 <br /> WATER LEVEL-FINAL ?T 02 CONTAINERS _L_ <br /> WELLDEPTH `�`�. S �- PRESERVATIVES G/ j <br /> WELL CASING VOLUME tCASING DIAMETER 7— <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (Lumhos/cmjx100) (t 0.2) <br /> ( ± 1 °F) ( ± 10% of TOTAL <br /> ( z 3 <br /> t Correction Factors Well Diameter Factor <br /> 2" 0 17 <br />. 3" 037 <br /> 4" 065 <br /> 4 5" 0 82 <br /> 6" 1 46 <br /> 8" 2 6 <br /> 12" 5 87 /P&S <br />