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MPDS Services Inc <br /> 2401 Stanwell Drive Tel (510) 602-5120 <br /> Concord, California 94520 Fax (510) 689-1918 <br /> i PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & <br /> LOCATIONC/z 3 - i r� r c� TIME SAMPLED _/ x/z �S� 1I, r3_P M <br /> _/D3V t�7/1Q� /9rJt FIELD TECHNICIAN L4�x, 61 <br /> PURGE METHOD _ _ �u�{�' DATE(S) PURGED �r - <br /> WELL NUMBER U <br /> WATER LEVEL-INITIAL q33 SAMPLING METHOD <br /> WATER LEVEL-FINAL 9 3 1 CONTAINERS S <br /> WELL DEPTH 1 C PRESERVATIVES ifd ' > } t <br /> WELL CASING VOLUME / Z tCASING DIAMETER Z <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (Nmhos/crnx100 ) or <br /> YS/cm <br /> 3 <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> 2" 0 17 Stabilization Criteria <br /> 3" 0 37 Temperature = t 1 °F <br /> 4" 065 Conductivity = ± 10% of total <br /> 4 5" 082 pH t 0 2 <br /> 6" 1 46 <br /> 8" 2 60 <br /> P a� <br />