Laserfiche WebLink
TABLE 3 RESULTS OF (DIRECT READING OF VOCs CONCENTRATION <br /> Montgomery Ward Auto �;ervtce Center <br /> 5400 Pacific Avenue, Stockton, CA <br /> Date Background Soil Vapor to Oxidizer Combustion Air Combustion Gases DRE"' <br /> VOC's TE-mperature Flow VOC's Valve Flow Flow VOC's <br /> I <br /> ppmv OF acfm scfm(') ppmv scfm(2) % scfm(,) scfml" ppmv scfm(5) <br /> 10/07/99 58 168 352 281 1 2,980 8 38E-01 0 0 281 1 132 2 08E-02 9752 <br /> 11/18/99 0 130 327 2780 24,192 6 72E+00 20 60 3380 55 1 86E-02 9972 <br /> 12/20/99 NA 120 240 2075 NA NIA 20 60 2675 NIA NIA NIA <br /> 03/28/00 NA 112 243 2131 NA NIA 36 108 3211 NIA NIA NIA <br /> 05/22/00 0 160 224 1812 280(7} 5 07E-02 455 138 3192 1 5 4 79E-04 9906 <br /> 06/15/00 58 150 235 1932 2,960 5 72E-01 492 147 3402 122 2 18E-02 9619 <br /> 08/02/00 0 146 239 1978 600 1 19E-01 498 151 3488 1 3 49E-04 9971 <br /> 08/29/00 0 134 238 2009 580 1 17E-01 402 120 3209 1 3 21 E-04 9972 <br /> 09/28/00 0 130 236 2006 59 1 18E-02 394 118 3186 29 9 24E-04 9214 <br /> Note <br /> (1) scfm = acfin *(460+60)/0460+° F)*4071(407+15) <br /> where 407 - atmospheric pressure in inches Water Gauge, 15 - blower discharge pressure in inches Water Gauge <br /> (2) VOCs scfm = flow scfm * VOCs ppmv *10 6 <br /> (3) Combustion Air Flow scfin =300 * Valve %1100 <br /> (4)Combustion Gases Flow scfm =Flow to Oxidizer scfm +Combustion Air Flow Scf n <br /> (5)Combustion Gases VOCs 3cfm = Combustion Gases Flow scfm *(Combustion Gases VOCs ppmv- Background ppmv)*10 6 <br /> (6) DRE % _ (VOC's scfin - Combustion Gases VOC's scfin)/VOC's scfm*100 <br /> (7) Calculated as 2%of LEL(1 4%v) <br /> ppmv -volume parts per million <br /> OF- temperature in degree Farehneit,equal to(460+°F) in degree Kelvin <br /> acfin - actual cubic feet per minute, scfm - standard cubic feet per minute (at 14 7 psia and 60 °F) <br /> DRE- Desti uction and Removal Efficiency NA-Not Analyzed NIA -Not Applicable <br />