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MPDS Services Inc <br /> 2401 Stanwell Drive Tel (510) 602-5120 <br /> Concord, California 94520 Fax (510) 689-1918 <br /> 0 PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & (EM <br /> LOCATION Zt 5Z f f -- �� TIME SAMPLED 114 ?- I -> P M <br /> S6 C Z /41-,�_� A,� FIELD TECHNICIAN t Cin <br /> PURGE METHOD P—=4� DATE(S) PURGED '7/4'�a <br /> WELL NUMBER li(i I V- <br /> WATER LEVEL-INITIAL Y3, 9 SAMPLING METHOD �.c� <br /> WATER LEVEL-FINAL Y'/, CONTAINERS 2- <br /> WELL <br /> WELL DEPTH 6 `. PRESERVATIVES c t)j i C/ <br /> WELL CASING VOLUME `f Z� tCASING DIAMETER Z' 1 <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (Nmhos/c= 100 ) or <br /> NS/cm <br /> 11 'l, CJ 7 <br /> Z) Z - s <br /> �s- <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br />• 2" 0 17 Stabilization Criteria <br /> 3" 0 37 Temperature = t 1 OF <br /> 4" 065 Conductivity = t 10% of total <br /> 4 5" 082 pH = t 0 2 <br /> 6" 1 46 <br /> 8" 260 <br /> 12" 5 87 /P&S <br />