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Commercial Vapor Intrusion Screening Levels (VISE) 6 <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 /> Xylene,o- 95-47-6 Yes Yes Yes Yes 4.38E+02 NC 1.46E+04 2.07E+03 <br /> Xylene, p- 106-42-3 Yes Yes Yes Yes 4.38E+02 NC 1.46E+04 1.55E+03 <br /> Xylenes 1330-20-7 Yes Yes Yes Yes 4.38E+02 NC 1.46E+04 1.62E+03 <br /> Output generated 14JAN2025:16:21:29 <br />