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WELL GAUGING/PURGING CALCULATIONS <br /> �-� <br /> �,LEARWATER DATA SHEET <br /> GROUP, I `' C <br /> — } Date Joo No Location - <br /> rd Screet,Suite 104 Oakland CA 91607 <br /> ne (=10)893-5160 Fax (510) 893-5917 <br /> ech(s) —lam Drums on Site ®TOA Drums on Site ® TOD <br /> ` Soil Water Soil Water <br /> t <br /> Well No Diameter) DTB I DTN ST CV PV I SPL I Notes <br /> (in) !I (f#) I (f#) (ft) (gal) (gal) I (ft) <br /> I <br /> I I <br /> i I I I I i I I l <br /> I I I I <br /> ► I I I 1 I <br /> Exolanation Conversion Factors fc#1 <br /> DTB — Depth to Bottom 2-inch diameter well cf=0 16 gal/ft <br /> DTW = Depth to Water 4-inch diameter well cf=o-65 gal/ft <br /> ST = Saturated Thickness (DTB-DTW) 6-inch diame`er well cs=1 44 gal/ft <br /> CV = Casing Volume (ST x cf)1 <br /> PV = Purge Volume (standard 3 x CV, well development 10 x CV) <br /> SPL = Thickness of Separate Phase Liquid <br />