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MPDS Services Inc • <br /> 240'1 St'anWell Drive Tel (510) 602-5120 <br /> r Concord, California 94520 Fax (510) 689-1918 <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & A M <br /> LOCATION TIME SAMPLED 9lZ 14:1 1-2 �= M <br /> ?-C r 4,/ FIELD TECHNICIAN t2u2Lk <br /> PURGE METHOD pct.. DATE(S) PURGED 917 /21 <br /> WELL NUMBER f'1Lv' "S <br /> WATER LEVEL-INITIAL /I 3 SAMPLING METHODS 1 <br /> WATER LEVEL-FINAL i Z c"7L CONTAINERS `/ <br /> WELL DEPTH PRESERVATIVES <br /> WELL CASING VOLUME `�c tCASING DIAMETER <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> E PURGED (°F) (jumhoslcmx100 ) or <br /> TIME r <br /> pS/cm <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" 0 65 Conductivity = t 10% of total <br /> 45" 082 pH = t 02 <br /> 6" 1 46 <br /> 8" 2 60 <br /> 12" 5 87 /P&S <br />