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i <br /> ' MPDS Services Inc. <br /> 2401 Stanwell Drive Tel: (510) 602-5120 <br /> Concord, California 94520 Fax: (510) 689-1918 <br /> 0 PURGING/SAMPLING DATA SHEET <br /> SAMPLING DATE & <br /> LOCATION: 0 7 � - _ 1 r c' r TIME SAMPLED I / - C �;Z� <br /> Zd -2, t�` // S FIELD TECHNICIAN ,e <br /> PURGE METHOD J' V to DATE(S) PURGED 1 1- - 9E <br /> WELL NUMBER U,'y <br /> WATER LEVEL-INITIAL 7'72 SAMPLING METHOD �- , <br /> WATER LEVEL-FINAL 7'7 CONTAINERS <br /> WELL DEPTH 2 ��� PRESERVATIVES <br /> WELL CASING VOLUME _ t,� _ _ tCASING DIAMETER -'> r` <br /> ELECTRICAL <br /> GALLONS TEMPERATURE CONDUCTIVITY pH <br /> TIME PURGED (°F) (Wmhos1cm]x100P { 0.2) <br /> ( + <br /> 10F) { 10% of TOTAL <br /> . I� �clr • IG 7, <br /> 7- `s C <br /> 7- 2 s <br /> 9 (' 30 2- 1 -1"77 7 - 3 -2— <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 />