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-� =��- WELL GAUGING/PURGING CALCULATIONS <br /> L.LEARWATER DATA SHEET <br /> GR0 UP,�INC <br /> Date Job No Location yAm 4j/) „y„Fit <br /> 0 3rd Street,Suite 104 Oakland CA,94607 r /� z�►Q T <br /> Phone (510)893-5160 Fax (510) 893-5947 ` 1 <br /> Tech(s) Drums on Site @TOA Drums on Site @ TD <br /> Soil �G ater Soil 9.)t, �� Water <br /> Well NoDiameter DTB DTW ST CV PV SPL �+ Notes <br /> (in) (ft) (ft) (ft) (gal) (gal) (ft) _ <br /> � I <br /> I <br /> - <br /> I <br /> E2lan_ation Conversion Factors_ lcfl <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 />