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VAPOR TREATMENT SYSTEM MASS REMOVAL CALCULATIONS <br /> September 9, 1993 - December 1, 1993 <br /> Number <br /> Sample TPH-G ppmv Removal Rate of gays Pounds <br /> Data Removed(t) dim(2) Obs/day)(3) of OperatKM Removed <br /> 09/09/93 594 83 1198 9 10782 <br /> 09/17/93 990 69 1660 7 11620 <br /> 09/24/93 546 81 1075 4 4300 <br /> 10/18/93 592 83 1194 4 4776 <br /> 10/29/93 648 76 1197 4 4787 <br /> 11/09/93 594 28 4 04 3 1212 <br /> 11/17/93 490 69 821 6 4926 <br /> 12/01/93 345 70 587 3 1761 <br /> Approximate Total Mass Removed - 44=C,4 _ <br /> (1) = Measured with FID quantity on site at system influent and effluent <br /> (2) = Calculated from field measured air velocity reading <br /> (3) - Removal rate derived from formula using the universal gas constant and 65 as the molecular <br /> weight of gasoline TPH Obs/day) = (0000243)X(scfm)X(ppmv) <br /> TPH-G - Total petroleum hydrocarbons-as-gasoline <br /> ppmvY Parts per million by volume <br /> cfm Cubic feet per minute <br /> lbs/day - Pounds per day <br /> GROUNDWATER TREATMENT SYSTEM MASS REMOVAL CALCULATIONS <br /> September 2, 1993-December 2, 1993 <br /> Totat Gallons Treated TPH-G Influent TPH-G Effluent Pounds Removed} <br /> 117,927 170 ug/1 11 ug/I 016 Ib <br /> * = Formula Concentration removed (Influent-effluent)X total gallons treated X conversion <br /> factors <br /> a g, 159µ y x 117,927 gallons x 3$41 x 116 = 016 !b <br /> ! gallon 4 54(10��tg <br /> ug/I = Micrograms per liter (parts per million) <br /> lb = pounds <br /> 3879R023 070 FE <br /> GROUNDWATER <br /> ELIL TECHNOLOGY,INC <br />