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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 # bpd/_ S1 c.,�- Z;1- TIME SAMPLED <br /> �0 �� � ,g� ; -• FIELD TECHNICIAN <br /> PURGE METHOD 5�-�� J��--� DATE(S) PURGED 11z0 <br /> WELL NUMBER /4tj � <br /> WATER LEVEL-INITIAL SAMPLING METHOD <br /> WATER LEVEL-FINAL 3� CONTAINERS 7— <br /> WELL <br /> WELL DEPTH z-r PRESERVATIVES VLA, 'i gel <br /> WELL CASING VOLUME 11 3 tCASING DIAMETER q r r <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) ([/umhos/cm)x100) ( t 0.2) <br /> (± 1 °F) ( t 10% of TOTAL <br /> t Correction Factors Well Diameter Factor <br /> 2" 0 17 <br /> is 3" 037 <br /> 4" 065 <br /> 45" 082 <br /> 6" 1 46 <br /> 8" 26 <br /> 12" 587 /P&S <br />