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�-��:�►-- WELL GAUGING/PURGING CALCULATIONS <br /> CLEARWATER DATA SHEET <br /> G R O U_ P, INC Date Job No Location <br /> 520 3rd Street,Stute 104 Oakland CA,94607 <br /> Phone (510)893-5160 Fax (510)893-5947 —30-Cj ti17,G <br /> Tech(s) Drums on Site 0TOA Drums on Site 0 TOD <br /> Soil Water Soil O Water <br /> Well No Diameter DTB DTW ST CV PV SPL Notes <br /> (in) (ft) (ft) (ft) (gal) (gal) (K) �(t..►a�trtg <br /> -,Rip 97,42 fo.10 <br /> F g(o ? e,22 <br /> l 1 .03 <br /> -3 16 , 2,0- 10 .11 <br /> t <br /> Explanation. Conversion Factors_ (cf) <br /> DTB = Depth to Bottom 2-inch diameter well cf=0 16 gal1ft <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/%, <br /> CV = Casing Volume (ST x of) <br /> PV = Purge Volume (standard 3 x CV, well development 10 x CV) <br /> SPL =Thickness of Separate Phase Liquid <br />