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WELL GAUGING/PURGING CALCULATIONS <br /> �� <br /> L.LEARWATER S= DATA SHEET <br /> G R O U P, I N C. _ <br /> Date Job No. Location ! � Ij � � j&-r y <br /> 520. 3rd Street,Suite 104 Oakland CQ,94607 <br /> Phone: (510)893-5160 Fax: (510) 893-5947 I CG�C�• G, � <br /> Tech(s) Drums on Site ®TOA Drums on Site TOD <br /> ' Soil: Water: Zvi �ir Soil: r Water. <br /> 1. r 0/ <br /> Well No Diameter DTB DTW ST CV PV SPL Notes <br /> (in) (ft) (ft) (ft) (gal) (gai) (ft) <br /> 1 <br /> I <br /> I I <br /> I I I <br /> I I I I <br /> I I I <br /> I <br /> I I <br /> I <br /> I <br /> Exipiaination: Conversion Factors (cf) <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 />