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•1 - <br /> �--°°�:�� WELL GAUGING/PURGING CALCULATIONS <br /> CLEARWATER DATA SHEET <br /> G ROUPDate Job No Location 18,1 <br /> rerye %/4e- <br /> Date <br /> Tewksbury Ave,Pont Richmond,CA 94801 �� 5-h CLC70A, C <br /> Phone (510)3x7-9943 Fax (510) 232-2823 2T W6 �aMPS Jo <br /> Tech(s) Drums on Site QTOA Drums on Site Q T D <br /> S Soil Water Soil 0 Water 5' <br /> Well No Diameter DTB DTW ST CV PV SPL Notes <br /> (in) (ft) (ft) {ft) (gal) (gal) (ft) <br /> led <br /> 3 ;�'C '7F�3 x' ' <br /> -7 , � <br /> 5V �z a .2 <br /> Explanation Conversion Factors kda <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 />