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Ef( MPDS Services Inc. <br />'R 2401 Stanwell Drive Tel: (510) 602-5120 <br /> Concord, California 94520 Fax: (510) 689-1918 <br /> i <br /> PURGING/SAMPLING DATA SHEET <br /> SAMPLING r-- DATE & p A-M, <br /> LOCATION: /rc4r TIME SAMPLED f� U - � 12 " <br /> 4046- <br /> 92o <br /> 046-9Zo. - - 11 -S FIELD TECHNICIAN > ep <br /> PURGE METHOD DATE(S) PURGED <br /> WELL NUMBER <br /> WATER LEVEL-INITIAL -7.1.2 6 SAMPLING METHOD <br /> WATER LEVEL-FINAL _$. 3 _ CONTAINERS 2i <br /> WELL DEPTH f�]� (c .Z PRESERVATIVES <br /> WELL CASING VOLUME -4, i 7 _ tCASING DIAMETER <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> O <br /> TIME PURGED (°F) ([Pmhoslcm)xlOO#) ( ± 0.2) <br /> ( 1 OF) { ± 10% of TOTAL <br /> 16 <br /> '70. z 3 • / r 7. 2 <br /> -71- `L 3 7. 3 -z- <br /> J 2 �o l 7�, 3, 2- 0 7. 2-4 <br /> �t Correction Factors: Well Diameter Factor <br /> 2" 0.17 <br /> 3" 0.37 <br /> 4" 0.65 <br /> 4.5" 0.82 <br /> 6" 1.46 <br /> 8" 2.6 <br /> 12" 5.87 /P&S <br />