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t <br /> i <br /> MPDS Services Inc. <br /> 2401 Stanwell Drive Tei: (510) 602-5120 <br /> Concord, California 94520 Fax: 1510) 689-1918 <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & ��_ <br /> LOCATION: _* 4-V 2,4— S{n TIME SAMPLED r6 , <br /> �z/raI��- <br /> :�'j 0 3 - �Q u, .� . FIELD TECHNICIAN tl <br /> PURGE METHOD /cc DATE(S) PURGED 4 <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL 3 • Z ;L SAMPLING METHOD <br /> WATER LEVEL-FINAL CONTAINERS el- <br /> WELL DEPTH '4 Z PRESERVATIVES Vd 4 1 � <br /> WELL CASING VOLUME `f•}�^' tCASING DIAMETER Z" <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (Nmhos/cmx100 ) or <br /> NS/cm <br /> t Conversion Factors: Well Diameter Factor S = Siemens = mhos <br /> 2" 0.17 Stabilization Criteria: <br /> 3" 0.37 Temperature = t 1 IF <br /> 4" 0.65 Conductivity = t 10% of total <br /> 4.5" 0.82 pH = 0.2 <br /> 6" 1.46 <br /> 8" 2.60 <br /> 12" 5.87 IP&S <br />