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WELL GAUGING/PURGING CALCULATIONS <br /> L,LEARWATER DATA SHEET <br /> G R O U P Date Job No Location <br /> GC <br /> 229 Tewksbury Ave,Point Richmond,CA 94801 �r -- <br /> Phone (510)307-9943 Fax {510} 232-2823 > �Q `� ��C (n S <br /> Tech(s) } Drums on Site TOA Drums on Site 0 TOD � <br /> C R- ' 0 Water j <br /> Soil 0 Water Soil <br /> Well No Diameter DTB DTW <br /> 5T CV PV SPL Nates <br /> (4n) (ft) (ft) f(ft) (gal) (gal) {ft) <br /> Li 17io� a11 <br /> �� l 5 Laron <br /> ptu�- z 2 w C) t -7O On ee� <br /> G, 1,5ftj <br /> S rn <br /> rw - <br /> Conversion Factors (Cf) <br /> Explanation 2-inch diameter well cf=0 16 gal/ft <br /> DTB = Depth to Bottom 14 <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 1 b x CV) <br /> SPL = Thickness of Separate Phase Liquid <br />