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2496U1 <br /> Risk and Hazard for Non-VOCs in Air <br /> Chemical - Cs CaS, '. " :Sfi RISKair, ,fDi/RfDo . HAZARDair, <br /> gamma-BHC(Lindane) 0.00052 2.60E-11 1.30E+00 9.94E-12 3.00E-04 5.78E-08 <br /> DDD 0.00066 3.30E-11 2.40E-01 2.33E-12 B NC <br /> DDE 0.00066 3.30E-11 3.40E-01 3.30E-12 B NC <br /> DDT 0.00048 2.40E-11 3.40E-01 2.40E-12 5.00E-04 3.20E-08 <br /> Endosulfan 0.00139 6.95E-11 A NC 6.00E-03 7.73E-09 <br /> Endrin 0.00046 2.30E-11 A NC 3.00E-04 5.11E-08 <br /> Endrin aldehyde 0.00043 2.15E-11 A NC B NC <br /> Heptachlor 0.00060 3.00E-11 4.55E+00 4.01E-11 5.00E-04 4.00E-08 <br /> Kepone 0.00280 1.40E-10 1.80E+01 7.41E-10 B NC <br /> MCPP 2.8 1.40E-07 A NC 1.00E-03 j 9.34E-05 <br /> Azinphos-methyl 0.11 5.50E-09 A NC B NC <br /> Bolstar 0.0055 2.75E-10 A NC B NC <br /> Chlorpyrifos 0.0053 2.65E-10 A NC 3.00E-03 5.89E-08 <br /> Coumaphos 0.038 1.90E-09 A NC B NC <br /> Demeton(total) 0.0075 3.75E-10 A NC 4.00E-05 6.25E-06 <br /> Diazinon 0.0063 3.15E-10 A NC 9.00E-04 2.33E-07 <br /> Dimethoate 0.017 8.50E-10 A NC 2.00E-04 2.83E-06 <br /> Disulfoton 0.0093 4.65E-10 A NC 4.00E-05 7.75E-06 <br /> Ethoprop 0.015 7.50E-10 A NC B NC <br /> Ethyl parathion 0.0061 3.05E-10 A NC 6.00E-03 3.39E-08 <br /> Famphur 0.012 6.00E-10 A NC B NC <br /> Fensulfothion 0.016 8.00E-10 A NC B NC <br /> Fenthion 0.03 1.50E-09 A NC B NC <br /> Merphos 0.011 5.50E-10 A NC 3.00E-05 1.22E-05 <br /> Methyl parathion 0.019 9.50E-10 A NC 2.50E-04 2.53E-06 <br /> Mevinphos 0.02 1.00E-09 A NC B NC <br /> O, O, O-Triethylphospho 0.012 6.00E-10 A NC B NC <br /> Tetrachlorvinphos 0.0068 3.40E-10 2.40E-02 2.40E-12 3.00E-02 7.56E-09 <br /> Thionazin 0.012 6.00E-10 A NC B NC <br /> Tokuthion 0.0052 2.60E-10 A NC B NC <br /> Trichloronate 0.03 1.50E-09 A NC B NC <br /> Risk and Hazard Screening Equations from DTSC PEA Guidance Manual(PEA January 1994-Second Printing June 1999) <br /> Cs=Concentration in soil(mg/kg) <br /> Ca=Cs x (5 E-08), (kg/m3) from PEA Figure 2.8 <br /> Ca=Cs x(0.76 E-08), (kg/m3) from EPA Region 9 PRG Introduction Section 4.2 <br /> RISKair-(SFi x Ca x 0.294)from PEA Figure 2.4 <br /> HAZARDair=((Ca/RfDi)x 0.667)from PEA Figure 2.4 <br /> SFi=inhalation cancer slope factor, (mg/kg-day)-' <br /> RfDi= Inhalation reference dose for elemental mercury(mg/kg-day) <br /> RfDo=Oral reference Dose(mg/kg-day)used if no RfDi available <br /> SFi. RfDi, and RfDo parameter values from Region 9 EPA hftp://www.epa.gov/region0g/waste/sfund/prgriindex.htm <br /> A=No inhalation cancer slope factor <br /> B=No inhalation reference dose(RfDi) <br /> NC= No calculated value due to lack of toxicity reference values <br /> RiskCalcs.xls NonVOCAir 7/23/2002 Page 1 of 4 <br />