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Commercial Vapor Intrusion Screening Levels (VISE) 4 <br /> Key: I = IRIS; P = PPRTV; O = OPP; A =ATSDR; C = Cal EPA; X = PPRTV Screening Level; H = HEAST; D = DWSHA; W= TEF applied; <br /> E = RPF applied; U = user provided; G = see RSL User's Guide Section 5; CA = cancer; NC = noncancer. <br /> Is Chemical Is Chemical <br /> Sufficiently Sufficiently <br /> Does the Does the Volatile and Toxic Volatile and Toxic Target <br /> chemical chemical to to Sub-Slab and <br /> meet have Pose Inhalation Pose Inhalation Target Near-source Target <br /> the inhalation Risk Risk Indoor Air Soil Gas Groundwater <br /> definition toxicity Via Vapor Via Vapor Concentration Concentration Concentration <br /> for data? Intrusion Intrusion from (TCR=1 E-06 (TCR=1 E-06 (TCR=1 E-06 <br /> volatility? (IUR from Soil Groundwater or THQ=1) or THQ=1) or THQ=1) <br /> CAS (HLC>1E-5 and/or Source? Source? MIN(Cia.c,Ciamd Toxicity CS99Target C9w,Target <br /> Chemical Number or VP>1) RfQ (Cvp>Cia9Target?) (Chc>Cia9Target?) (µg/m3) Basis (µg/m3) (µg/L) <br /> Dichloropropene,trans-1,3- 10061-02-6 Yes No No Inhal.Tox. Info No Inhal.Tox. Info - - - <br /> Dioxane, 1,4- 123-91-1 Yes Yes Yes Yes 2.45E+00 CA 8.18E+01 1.25E+04 <br /> Ethyl Chloride 75-00-3 Yes Yes Yes Yes 1.75E+04 NC 5.84E+05 3.86E+04 <br /> Ethylbenzene 100-41-4 Yes Yes Yes Yes 4.91E+00 CA 1.64E+02 1.52E+01 <br /> Heptane, N- 142-82-5 Yes Yes Yes Yes 1.75E+03 NC 5.84E+04 2.14E+01 <br /> Hexachlorobutadiene 87-68-3 Yes Yes Yes Yes 5.57E-01 CA 1.86E+01 1.32E+00 <br /> Hexane, N- 110-54-3 Yes Yes Yes Yes 3.07E+03 NC 1.02E+05 4.17E+01 <br /> Hexanone,2- 591-78-6 Yes Yes Yes Yes 1.31 E+02 NC 4.38E+03 3.45E+04 <br /> Methyl Ethyl Ketone(2-Butanone) 78-93-3 Yes Yes Yes Yes 2.19E+04 NC 7.30E+05 9.41 E+06 <br /> Methyl Isobutyl Ketone 108-10-1 Yes Yes Yes Yes 1.31 E+04 NC 4.38E+05 2.33E+06 <br /> (4-methyl-2-pentanone) <br /> Methyl tert-Butyl Ether(MTBE) 1634-04-4 Yes Yes Yes Yes 4.72E+01 CA 1.57E+03 1.97E+03 <br /> Methylene Chloride 75-09-2 Yes Yes Yes Yes 1.23E+03 CA 4.09E+04 9.23E+03 <br /> Naphthalene 91-20-3 Yes Yes Yes Yes 3.61 E-01 CA 1.20E+01 2.01 E+01 <br /> Styrene 100-42-5 Yes Yes Yes Yes 4.38E+03 NC 1.46E+05 3.90E+04 <br /> Tetrachloroethane, 1,1,42- 79-34-5 Yes Yes Yes Yes 2.11 E-01 CA 7.05E+00 1.41 E+01 <br /> Tetrachloroethylene 127-18-4 Yes Yes Yes Yes 4.72E+01 CA 1.57E+03 6.52E+01 <br /> Tetrahydrofuran 109-99-9 Yes Yes Yes Yes 8.76E+03 NC 2.92E+05 3.04E+06 <br /> Toluene 108-88-3 Yes Yes Yes Yes 2.19E+04 NC 7.30E+05 8.07E+04 <br /> Trichlorobenzene, 1,2,4- 120-82-1 Yes Yes Yes Yes 8.76E+00 NC 2.92E+02 1.51E+02 <br /> Trichloroethane, 1,1,1- 71-55-6 Yes Yes Yes Yes 2.19E+04 NC 7.30E+05 3.11E+04 <br /> Trichloroethane, 1,1,2- 79-00-5 Yes Yes Yes Yes 7.67E-01 CA 2.56E+01 2.28E+01 <br /> Trichloroethylene 79-01-6 Yes Yes Yes Yes 2.99E+00 CA 9.97E+01 7.43E+00 <br /> Tri methyl benzene, 1,3,5- 108-67-8 Yes Yes Yes Yes 2.63E+02 NC 8.76E+03 7.33E+02 <br /> Vinyl Chloride 75-01-4 Yes Yes Yes Yes 2.79E+00 CA 9.29E+01 2.45E+00 <br /> Xylene, m- 108-38-3 Yes Yes Yes Yes 4.38E+02 NC 1.46E+04 1.49E+03 <br /> Output generated 14JAN2025:16:21:29 <br />