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��--�-��:-�C.— WELL GAUGING/PURGING CALCULATIONS <br /> C.LEARWATER DATA SHEET <br /> C R O U P I N C <br /> Date Job No Location <br /> 520 3rd Street,Stute 104 Oakland CA,94607 � 37C 7 I— <br /> _ <br /> Phone (51Q)$93-5160 Fax (510) 893-5947 �f`�`� <br /> Tech(s) Drums on Site ®TOA Drums on Site 0 TOD <br /> Soil 6/:) Water ,Z Soil Water <br /> Well No Diameter DTB DTN ST CV PV SPL Notes <br /> (in) (ft) (ft) (ft) (gal) (gal) (ft) <br /> raw �'- 1177 �.. lZ�. � a $� pQ+ 3 �• 3fP�}� � �,� tD <br /> 3 2 ? Y-7 <br /> L, z3 —Z6. . > � I <br /> . l , <br /> R�Y <br /> Explanation. 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 />