Laserfiche WebLink
MASS BALANCE CALCULATIONS <br /> (TPHg in Groundwater) <br /> Zone 1:Volume: 21'x20'x3' = 1,260 ft3 <br /> Pore Volume: 1,260 0 (30%porosity)=378 ft3 <br /> TPHg = 170 ppb(TPHg concentration from 4/03 QM report) <br /> 378 ft3(7.48 gal/ft3)(8.328 lb H2O/gal)(170 lb TPHg/lxl09 lb H20)=0.004 lb TPHg <br /> Zone 2:Volume: 41'x29'x3'=3,567 ft3 <br /> Pore Volume: 3,567 0 (30%porosity)= 1,070 ft3 <br /> TPHg = 5,800 ppb (TPHg concentration from 4/03 QM report) <br /> 1,070 ft3(7.48 gaUft3)(8.328 lb H2O/gal)(5,800 lb TPHg/lxl09 lb H20)=0.386 lb TPHg <br /> i <br /> Total dissolved TPHg in groundwater: 0.39 lb <br /> i <br />