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RISK CALCULATION WORKSHEET 25 CFM Model run results: 14ti' 's>' max hourly concentrations at 1 g/s emission rate A B C D E F G H I J 1 g/s emission Actual max Actual max Acute Acute Chronic Chronic Cancer Cancer max hourly hourly annual REL hazard REL Hazard Unit Risk Potential Maximum downwind downwind downwind (from tox index (from tox Index (from tox emissions concentration concentration concentration worksheet) worksheet) worksheet) Chemical /s lug/m3) (uo/m3) u / 3 ul o/m3) (ua/m3) (uo/m3)-1 (Ax B) (Cx0.1) (C/E) (D/G) (Dx1) 75-00-3 Chloroethane 1.80E-07 25400.0 4.57E-03 4.57E-04 NA 3.00E+04 1.52E-08 NA 64-17-5 Ethanol 1.62E-05 25400.0 4.12E-01 4.12E-02 NA NA NA 67-64-1 Acetone 1.23E-05 25400.0 3.13E-01 3.13E-02 NA NA NA 67-63-0 2-Propanal (IPA) 8.41E-07 25400.0 2.14E-02 2.14E-03 3.20E+03 6.68E-06 7.00E+03 3.05E-07 NA 75-15-0 Carbon Disulfide 1.98E-05 25400.0 5.04E-01 5.04E-02 6.20E+03 8.13E-05 8.00E+02 6.30E-05 NA 1634-04-Methyl tert-butyl ether 2.38E-07 25400.0 6.05E-03 6.05E-04 NA 8.00E+03 7.56E-08 2.60E-07 1.57E-10 110-54-3 Hexane 3.41E-06 25400.0 8.66E-02 8.66E-03 NA 7.00E+03 1.24E-06 NA 78-93-3 2-Butanone 1.81E-06 25400.0 4.60E-02 4.60E-03 1.30E+04 3.54E-06 1.00E+03 4.60E-06 NA 109-99-9 Tetrahydrofuran 1.95E-07 25400.0 4.95E-03 4.95E-04 NA NA NA 110-82-7 Cyclohexane 1.87E-06 25400.0 4.23E-02 4.23E-03 NA NA NA 540-84-12,2,4-Trimethylpentane 1.32E.05 25400.0 3.36E-01 3.36E-02 NA NA NA 71-43-2 Benzene 5.66E-06 25400.0 1.44E-01 1.44E-02 1.30E+03 1.10E-04 6.00E+01 2.39E-04 2.90E-05 4.17E-07 142-82-5 Heptane 4.59E-05 25400.0 1.17E+00 1.17E-01 NA NA NA 108-88-3 Toluene 1.56E-05 25400.0 3.95E-01 3.95E-02 3.70E+04 1.07E-05 3.00E+02 1.32E-04 NA 100-41.4 Ethylbenzene 9.22E-06 25400.0 2.34E-01 2.34E-02 NA 2.00E+03 1.17E-05 NA 1330-20-'mop-Xylenes 292E-05 25400.0 7.42E-01 7.42E-02 2.20E+04 3.37E-05 7.00E+02 1.06E-04 NA 95-47-6 o-7,ylene 1.02E.05 25400.0 2.60E-01 2.60E-02 2.20E+04 1.18E-05 7.00E+02 3.72E-05 NA 98-82-8 Cumene (isopropyl benzene) 8.70E-07 25400.0 2.21 E-02 2.21 E-03 NA NA NA 103-65-1 n-propylbenzene 1.62E-06 25400.0 4.13E-02 4.13E-03 NA NA NA 622-96-8 4-Ethyitoluete 6.38E-06 25400.0 1.62E-01 1.62E-02 NA NA NA 108-67-81,3,5-Trirnethylbenzene 2,03E-oe 25400.0 5.16E-02 5.16E-03 NA NA NA 95-63-6 1,2,4-Trirnethylbenzene 6.38E-06 25400.0 1.62E-01 1.62E-02 NA NA NA Acute Chronic Hazard Index Hazard Index SUM= 2.58E-04 SUM- 5.95E-04 SUM= 4.17E-07 NOT TARGET ORGAN SPECFIC (70 yr exposure) •k.is+yt SUM= 8.57E-05 SUM= 6.00E-08 (worker) (worker) NOT TARGET ORGAN SPECFIC v