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-��:� �- WELL GAUGING/PURGING CALCULATIONS <br /> � <br /> �LEARWATER DATA SHEET <br /> G R O U P Date Job No Location j�, ---5 <br /> 229 Tewksbury Ave,Pomt R►chmond,CA 94801 )� / ��61'�- r 5� <br /> Phone (510)307-9943 Fax (510) 232-2823 �O S�m <br /> Tech(s) Drums on Site QTOA Drums on Site 0 TOD <br /> 1 Soil o WaterSod 47."> Water <br /> a —1Well No Diameter DTB DTW ST CV PV SPL Notes <br /> (in) (ft) (ft) (ft) (gal) (gal) (ft) <br /> Explanation. Conversion Factors c <br /> DTB = Depth to Bottom 2-inch diameter well cf=0 16 gal/ft <br /> DTW = Depth to Water 4-inch diameter well cf=Q 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 />