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1 <br /> • VAPOR TREATMENT SYSTEM MASS REMOVAL CALCULATIONS <br /> December 1, 1993 - March 3, 1994 <br /> I <br /> Sample TPH-G Removedcfm (2j Removal Rate Nof beir Pounds <br /> Date (ppmv) (1) Qbs/daY?(3) fternoverd <br /> Of Operation <br /> 12/10/93 371 74 667 9 6003 <br /> 12/17/93 448 98 1067 7 7469 <br /> 12/23/93 250 56 340 6 2041 <br /> 01/03/93 217 38** 200 4 802 <br /> 01/10/93 70 38 065 3 194 <br /> 01/21/93 125 38** 115 8 923 <br /> 01/28/93 123 38** 114 7 795 <br /> 02/04/93 80 220 428 7 2994 <br /> 02/08/93 98 38** 090 4 362 <br /> 02/17/93 70 88 150 9 1347 <br /> 03/03/93 60 132 192 1 8 15 40 <br /> Approximate Total Mass Removed - IL-244 70 <br /> TPH-G = Total petroleum hydrocarbons as-gasoline <br /> • ppmv = Parts per million by volume <br /> cim = Cubic feet per minute <br /> lbs/day = Pounds per day <br /> ** = cfm estimated at lowest measured flow rate during quarter for conservative estimated result <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 weight of <br /> gasoline TPH (lbs/day) = (0 000243)X(scfm)X(ppmv) <br /> GROUNDWATER TREATMENT SYSTEM MASS REMOVAL CALCULATIONS <br /> December 2, 1993 - March 3, 1994 <br /> Total Gallons Treated TPH-G influent TPH-6 Effluent Pounds Removed+ <br /> 381,046 130 <10 039----] <br /> * = Formula Concentration removed (Influent-effluent)X total gallons treated X conversion factors <br /> e g, 130L x 381,046 gallons x 1-84' x 1 lb . 039 lb <br /> 1 gallon 4 54(10 µg <br /> g/I = Micrograms per liter (parts per million) <br /> Ib = pounds <br /> • 551 ORO 14 020 <br /> ❑ GROUNDWATER <br /> TECHNOLOGY,INC <br />