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WELL GAUGING/PURGING (�AIf�ULATIONS <br /> CdARwATER DATA SHEET <br /> GROUP ate Job No. Location <br /> ) <br /> =' 229 Tewksbury Ave,Point Riehrn( CA 94801 � (� <br /> Phone:(510)307-9943 Fax-- (510)232-2823 <br /> Drums on Site A Drums on Site 0 D <br /> Tec s): <br /> I S� <br /> ,- <br /> Sail: J� Water ] Soil 5 Water: <br /> Well N9 Diameter D DTW ST CV PV SPL Rotes <br /> (in) (ft) (ft) 4(ft} (gal? (gal) (ft) <br /> t,_•, <br /> b t \ <br /> i <br /> r: <br /> f <br /> yy <br /> 1 <br /> In <br /> Conversion Factors Aft <br /> xinin: <br /> DTB= Depth to Bottom 2-inch diameter well cf=0.16 gal/ft E <br /> DTW W Depth to Water 4-inch diameter well cf=0.65 gallft t, <br /> ST= Saturated Thickness (DTB-DTW) 6-inch diameter well cf=1.44 gal/ft <br /> CV= Casing Volume (ST x cf) <br /> PV = Purge Volume (standard 3 x CV, well development 10 x CV) A <br /> SPL.=Thickness of Separate Phase Liquid <br />