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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 & AN <br /> LOCATION j SC 9 - A_" �. <br /> � TIME SAMPLED _ 911615 M <br /> sL- `i L- FIELD TECHNICIAN <br /> PURGE METHOD DATE{S} PURGED <br /> WELL NUMBER �1G�' �a✓ <br /> WATER LEVEL-INITIAL Y / q? SAMPLING METHOD <br /> WATER LEVEL-FINAL CONTAINERS �- <br /> WELL DEPTH Z PRESERVATIVES rf Z 77�� <br /> WELL CASING VOLUME `/ y tCASING DIAMETER 2- <br /> ELECTRICAL ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) {jrmhos/cmx100 ) or <br /> PS/cm <br /> 3 z � C s-Z_ y� <br /> t Conversion Factors Well Diameter Factor S = Siemens = mhos <br />. 2" 017 Stabilization Criteria <br /> 3" 0 37 Temperature = t 1 IF <br /> 4" 065 Conductivity = f 10% of total <br /> 4 5" 082 pH = t 0 2 <br /> 6" 1 46 <br /> 8" 260 <br /> 12" 587 /P&S <br />