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���:�� WELL GAUGING/PURGING CALCULATIONS <br /> �-LEARWATER DATA SHEET <br /> G R O U P Dale Job Na Location ]I/ <br /> 229 Tewksbury Ave,Point Ricl unond,CA 94801 o ! / J ! ( 5 P li <br /> Phone (510)307-9943 Fax (510)232-2873 44r 2 j n ' J <br /> Techj Drums on Site OTOA Drums on Site 0 TOD <br /> Soil � Water Soil Water <br /> Well No Diameter © DTW ST CV PV SPL Notes <br /> {rn} (ft) (it) {ft) {gai} (gal) (11) <br /> 17 g -7 7 31 lDG I c l <br /> -7--67 )`1 1 <br /> 13 K3 10 00 1 J. 1( <br /> �2 <br /> 17 Ll 0 <br /> 1:-10 / 6 N <br /> Ll <br /> 31 <br /> Explanation. Conversion Factors__Ici} <br /> DTB = Depth to Bottom 2-inch diameter well cf-0 16 gal/ft <br /> DTW= Depth to Water 4-inch diameter well c1=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 />