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°° WELL GAUGING/PURGING CALCULATIONS <br /> �� <br /> CLEARWATER DATA SHEET <br /> iGROUP, INC Date Job No Location <br /> 520 3rd Street Suite 104 Oakland CA,94607 <br /> Phone (510)893 -5160 Fax (510)893-5947 LIP-lo n1a 17v'-7 <br /> Techs) Drums on Site @TOA£f Drums on Site 0 TOD <br /> 7-k r e-( Z yr ,i�rt� c d—trit D <br /> L f Soil { Water Soil Water <br /> Well No Diameter DTB DTW ST CV PV SPL Notes <br /> (in) (ft) (ft) (ft) (gal) (gal) (ft) <br /> „ut,+ <br /> Z. � c!� <br /> lei,13 <br /> S t,.y - r 0 LZ G -M <br /> EXplanation. Conversion Factors cf <br /> DTB = Depth to Bottom 2-inch diameter well cf=0 16 gal/ft <br /> DTW = Depth to Water 4-inch diameter well cf=0 65 gal/ft <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) <br /> ® SPL = Thickness of Separate Phase Liquid <br /> L <br />