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Region 9 PRG Table 2 October 2004 Key: SFo,i=Cancer Slope Factor oral,inhalation RfDo,i=Reference Dose oral,inhalation i=IRIS p=PPRTV c=California EPA n=NCEA h=HEAST x=Withdrawn r--Route-extrapolation ca=Cancer PRG nc=Noncancer PRG ca'(where:nc PRG<10OX ca PRG) A ca"(where nc PRG<10X ca PRG)+++=Non-Standard Method Applied(See User's Guide)sat=Soil Saturation(See User's Guide)max=Ceiling limit(See User's Guide)DAF=Dilution Attenuation Factor(See User's Guide)CAS=Chemical Abstract Services TOXICITY VALUES CONTAMINANT PRELIMINARY REMEDIATION GOALS(PRGs) SOIL SCREENING LEVELS V skin "Direct Contact Exposure Pathways" "Migration to Ground Water" SFo RfDo SR RfDi O abs. CAS No. Residential Industrial Ambient Air Tap Water DAF 20 DAF 1 1/(mg/kg-d) (mg/kg-d) 1/(mg/kg-d) (mg/kg-d) C wls Soil(mg/kg) Soil(mg/kg) (ug/mA3) (ug/I) (mg/kg) (mg/kg) 4.0E-03 i 4.0E-03 r 0.1 114-26-1 Baygon 2.4E+02 nc 2.5E+03 nc 1.5E+01 nc 1.5E+02 nc 3.0E-02 i 3.0E-02 r 0.1 4312143-3 Bayleton 1.8E+03 nc 1.8E+04 nc 1.1E+02 nc 1.1E+03 nc 2.5E-02 i 2.5E-02 r 0.1 66359-375 Baythroid 1.5E+03 nc 1.5E+04 nc 9.1 E+01 nc 9.1 E+02 nc 3.0E-01 i 3.0E-01 r 0.1 166140-1 Benefin 1.8E+04 nc 1.0E+05 max 1.1E+03 nc 1.1 E+04 nc 5.0E-02 i 5.0E-02 r 0.1 179a4-3S2 Benomyl 3.1 E+03 nc 3.1 E+04 nc 1.8E+02 nc 1.8E+03 nc 3.0E-02 i 3.0E-02 r 0.1 25057-69-0 Bentazon 1.8E+03 nc 1.8E+04 nc 1.1 E+02 nc 1.1E+03 nc 1.0E-01 i 1.0E-01 r 0.1 1o0-5z.7 Benzaldehyde 6.1 E+03 nc 6.2E+04 nc 3.7E+02 nc 3.6E+03 nc 5.5E-02 i 4.0E-03 i 2.7E-02 i 8.6E-03 i y 71.43.2 Benzene 6.4E-01 ca` 1.4E+00 ca' 2.5E-01 ca 3.5E-01 ca 3.0E-02 2.0E-03 2.3E+02 i 3.0E-03 i 2.3E+02 1 3.0E-03 r 0.1 92575 Benzidine 2.1E-03 ca 7.5E-03 ca 2.9E-05 ca 2.9E-04 ca 4.0E+00 i 4.0E+00 r 0.1 65.65-0 Benzoic acid 1.0E+05 max 1.0E+05 max 1.5E+04 nc 1.5E+05 nc 4.0E+02 2.0E+01 1.3E+01 i 1.3E+01 r 0.1 96-07-7 Benzotrichloride 3.7E-02 ca 1.3E-01 ca 5.2E-04 ca 5.2E-03 ca 3.0E-01 h 3.0E-01 r 0.1 10051.6 Benzyl alcohol 1.8E+04 nc 1.0E+05 max 1.1E+03 nc 1.1E+04 nc 1.7E-01 I 2.9E-03 r 1.7E-01 r 2.9E-03 n y 16044-7 Benzyl chloride 8.9E-01 ca" 2.2E+00 ca 4.0E-02 ca 6.6E-02 ca 2.0E-03 i 8.4E+00 i 5.7E-06 i 7440-41.7 Beryllium and compounds 1.5E+02 nc 1.9E+03 ca" 8.0E-04 ca' 7.3E+01 nc 6.3E+01 3.0E+00 1.0E-04 I 1.0E-04 r 0.1 141.66-z Bidrin 6.1E+00 nc 6.2E+01 nc 3.7E-01 nc 3.6E+00 nc 1.5E-02 i 1.5E-02 r 0.1 a26s74sa Biphenthrin(Talstar) 9.2E+02 nc 9.2E+03 nc 5.5E+01 nc 5.5E+02 nc 5.0E-02 i 5.0E-02 r y 92-sz4 1,1-Biphenyl 3.0E+03 nc 2.3E+04 nc 1.8E+02 nc 3.0E+02 nc 1.1E+00 I 1.1E+00 i y 111444 Bis(2-chloroethyl)ether 2.2E-01 ca 5.8E-01 ca 6.1E-03 ca 1.0E-02 ca 4.0E-04 2.0E-05 7.0E-02 x 4.0E-02 i 3.5E-02 x 4.0E-02 r y ,oe-so-, Bis(2-chloroisopropyl)ether 2.9E+00 ca 7.4E+00 to 1.9E-01 ca 2.7E-01 ca 2.2E+02 i 2.2E+02 i y 542-66-1 Bis(chloromethyl)ether 1.9E-04 ca 4.3E-04 ca 3.1E-05 ca 5.2E-05 ca 7.0E-02 x 4.0E-02 I 3.5E-02 x 4.0E-02 r y lob-6o-1 Bis(2-chloro-1-methylethyl)ether 2.9E+00 ca 7.4E+00 ca 1.9E-01 ca 2.7E-01 ca 1.4E-02 i 2.0E-02 i 1AE-02 r 2.0E-02 r 0.1 117-e1-7 Bis(2-ethylhexyl)phthalate(DEHP) 3.5E+01 ca' 1.2E+02 ca 4.8E-01 ca 4.8E+00 to 5.0E-02 i 5.0E-02 r 0.1 eo-0Sa Bisphenol A 3.1E+03 nc 3.1E+04 nc 1.8E+02 nc 1.8E+03 nc 2.00E-01 i 5.7E-03 h 7440.42-e Boron 1.6E+04 nc 1.0E+05 max 2.1E+01 nc 7.3E+03 nc 2.0E-04 h 7637-07-2 Boron trifluoride 7.3E-01 nc 7.0E-01 i 4.0E-03 i 7.0E-01 r 4.0E-03 r 0.1 15541454 Bromate 6.9E-01 ca 2.5E+00 ca 9.6E-03 ca 9.6E-02 ca 2.0E-02 p 2.9E-03 p y 1oe-e0-1 Bromobenzene 2.8E+01 nc 9.2E+01 nc 1.0E+01 nc 2.0E+01 nc 6.2E-02 12.0E-02 16.2E-02 r 2.0E-02 r y 7-74 Bromodichloromethane 8.2E-01 ca 1.8E+00 ca 1.1E-01 ca 1.8E-01 ca 6.0E-01 3.0E-02 7.9E-03 I 2.0E-02 I 3.9E-03 i 2.0E-02 r 0.1 75.28.2 Bromoform(tribromomethane) 6.2E+01 ca' 2.2E+02 ca' 1.7E+00 Ca' 8.5E+00 ca' 8.0E-01 4.0E-02 1.4E-03 i 1.4E-03 I y 74-83.9 Bromomethane(Methyl bromide) 3.9E+00 nc 1.3E+01 nc 5.2E+00 nc 8.7E+00 nc 2.0E-01 1.0E-02 5.0E-03 h 5.0E-03 r 0.1 21o4-0e-3 Bromophos 3.1E+02 nc 3.1E+03 nc 1.8E+01 nc 1.8E+02 nc 2.0E-02 I 2.0E-02 r 0.1 1699414-s Bromoxynil 1.2E+03 nc 1.2E+04 nc 7.3E+01 nc 7.3E+02 nc 2.0E-02 i 2.0E-02 r 0.1 1ee9-09.2 Bromoxynil octanoate 1.2E+03 nc 1.2E+04 nc 7.3E+01 nc 7.3E+02 nc 1.1E-01 r 5.7E-04 r 1.1E-01 15.7E-04 i y 108.99-0 1,3-Butadiene 5.8E-02 ca' 1.2E-01 ca' 6.1E-02 ca` 1.0E-01 ca* 6.0E-01 r 5.7E-03 r 6.0E-01 c 5.7E-03 c y 106-9" "CAL-Modified PRG" 1.1E-02 ca 2.3E-02 ca 1.1E-02 ca 1.9E-02 ca 1.0E-01 i 2.6E-03 n 0.1 71.36.3 1-Butanol 6.1E+03 nc 6.1E+04 nc 9.5E+00 nc 3.6E+03 nc 1.7E+01 9.0E-01 5.0E-02 I 5.0E-02 r 0.1 2=415 Butylate 3.1E+03 nc 3.1E+04 no 1.8E+02 nc 1.8E+03 nc 4.0E-02 n 4.0E-02 r y 1-1-9 n-Butylbenzene 2.4E+02 sat 2.4E+02 sat 1.5E+02 nc 2.4E+02 nc 4.0E-02 n 4.0E-02 r y 1354aa sec-Butyl benzene 2.2E+02 sat 2.2E+02 sat 1.5E+02 nc 2.4E+02 nc 4.0E-02 n 4.0E-02 r y 9a-oa5 tert-Butylbenzene 3.9E+02 sat 3.9E+02 sat 1.5E+02 nc 2.4E+02 nc 2.0E-01 i 2.0E-01 r 0.1 esae-7 Butyl benzyl phthalate 1.2E+04 nc 1.0E+05 max 7.3E+02 nc 7.3E+03 nc 9.3E+02 8.1 E+02 1.0E+0o I 1.0E+00 r 0.1 65.70.1 Butylphthalyl butylglycolate 6.1E+04 nc 1.0E+05 max 3.7E+03 nc 3.6E+04 nc