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MPDS'Services Inc <br /> 2401 Stanwell Drive Tel (510) 602-5120 <br /> Concord, California 94520 Fax (510) 689-1918 <br /> 40 PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & AM <br /> LOCATION TIME SAMPLED <br /> FIELD TECHNICIAN ✓ A6 <br /> PURGE METHOD DATE(S) PURGED glNh <br /> WELL NUMBER u <br /> WATER LEVEL-INITIAL 3Z, SAMPLING METHOD <br /> WATER LEVEL-FINAL 3 3 e CONTAINERS L <br /> WELL DEPTH �y L�r PRESERVATIVES <br /> WELL CASING VOLUME tCASING DIAMETER Z� <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (a F) (Ermhoslcmx100 ] or <br /> US/Cm <br /> EC3, d <br /> 44- <br /> 7 6 <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br /> 2" 0 17 Stabilization Criteria <br /> 3" 0 37 Temperature = 1 °F <br /> 4" 065 Conductivity = t 10% of total <br /> 4 5" 082 pH = t 0 2 <br /> 6" 1 46 <br /> S. 260 <br /> 12" 5 87 1P&S <br />