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Tier t Spreadsheet <br /> • <br /> Table H-2. Equations Used to Calculate Tier 1 Risk-Based Screening Levels <br /> (RBSLs)—Non-Carcinogenic Effects <br /> (Page 2 of 5) <br /> RBSLs in SUBSURFACE SOIL [mg/kg] <br /> Inhalation of Outdoor Air <br /> Residential and CommerciaUlndustrial <br /> RBSLwb soy! _ RBSLou,a,t x10-3 mg <br /> — <br /> VF,,,,,b µg <br /> RBSLs in SUBSURFACE SOIL [mg/kg] <br /> Inhalation of Indoor Air <br /> Residential and Commerciab7ndustrial <br /> RBSL,,,d air _3 mgRBSL�,b,o,, = x 10 <br /> VFs,,,p uS <br /> RBSLs in SUBSURFACE SOIL [mg/kg] <br /> Leaching to Groundwater and Ingestion of Groundwater <br /> Residential and Commercial4ndustrial <br /> RBSL9W <br /> RBSL,,,b,o,r = LFs,, <br /> If the RBSL calculated for subsurface soil exceeds the saturated soil <br /> concentration, Cm, the target risk cannot be exceeded for any concentration <br /> and "SAT" is entered in the "RBSLs" worksheet The equation used to <br /> calculate Cm is defined in Table H-4 <br /> • <br /> H-13 <br />