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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 & A M <br /> LOCATION 0/23 - / c. TIME SAMPLED `���z `�6 �s M <br /> /'D34t, FIELD TECHNICIAN LaUf11r2 <br /> PURGE METHOD : =X2 _ DATE(S) PURGED 9ZI <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL SAMPLING METHOD 6 <br /> WATER LEVEL-FINAL 9 �J� CONTAINERS <br /> WELL DEPTH �� �� PRESERVATIVES 1/4)A' tf Gl <br /> WELL CASING VOLUME I ��' tCASING DIAMETER f <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) ([ymhos1cm]x100) ( t 0 2) <br /> ( ± 1 °F) (t 10% of TOTAL <br /> -490 <br /> t Correction Factors Well Diameter Factor <br /> 2" 017 <br /> 3" 037 <br /> 4" 065 <br /> 4 5" 082 <br /> 6" 1 46 <br /> 8" 26 <br /> IP&S <br /> 12" 5 87 <br />