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r. t t t t t t t t t t t [ t [ t t t t Regional Screening Level(RSL)Summary Table April 2012 Key:I=IRIS;P=PPRTV;A=ATSDR;C=Cal EPA;X=PPRTV Appendix;H=HEAST;1=New Jersey;Y=New York;0=EPA Office of Water;E=Environmental Criteria and Assessment Office;S=see user guide Section 5;L=see user guide on lead;M=mutagen;V=volatile;F=See FAQ;c=cancer;'=where:n SL<iDOX c SL;"=where n SL<10X c SL;n= ncancer,m=Concentration may exceed ceiling limit(See User Guide);s=Concentration may exceed Csat(See User Guide);SSLvalues are based on DAF=1 Toxicity and Chemical-specific Information Contaminant Screening Levels Protection of Ground Water SSts I'll k k k v Risk-based MCL-based SFO a IUR a RIC. a RICi e o mu[a- C,= Resident Soil Industrial Soil Resident Air Industrial Air Tapwater MCL SSL SSL (mg/kg-0ay)' y (ug/m'J r y I'm y (mg/m') y c gen GIAB.S ABS (mg/kg) AnahRe CAS No. (mg/kg) key (mg/kg) key (ug/m'J key (ug/m') key (ug/Q key (ug/L) (mg/kg) (mg/kg) 8.0E-01 P 6.0E-03 P 2.0E-04 P 2.0E-04 I V M 1 9.8E+02 7bromo-3-chloropropane,1,2- 96-12-8 5.4E-03 c 6.9E-02 c 1.6E-04 c 2.0E-03 c 3.2E-04 2.0E-01 1,4E-07 8.6E-05 1.0E.0 I 1 0.1 Dibromobenzene,1,4- 106-37-6 6.1E+02 6.2E+03 n 9.8E+01 n 9.3E-02 8.4E-02 I 2.7E-05 C 2.0E-02 I V I 0.1 8,0E+02 Dibromochloromethane 124-48-1 6.8E-01 c 3.3E+00 c 9.0E-02 c 4.5E-01 c 1.5E-01 c 8.0E+OS(F) 3.9E-05 2.1E-02 2.0E+00 I 6.0E-04 I 9.0E-03 I 9.0E-03 I V 1 1.3E+03 Dibromoethane,1,2- 106-93-4 3.4E-02 c 1.7E-01 c 4.1E-03 c 2.0E-02 c 6.5E-03 c 5.0E-02 1.8E-06 1.4E-05 1.0E-02 H 4.0E-03 X V 1 2.8E+03 Dibromomethane(Methylene Bromide) 74-95-3 2.5E+01 n 1.1E+02 n 4.2E+00 n 1.8E+01 n 7.9E+00 n 1.9E-03 1.0E-01 I 1 0.1 Dibutyl Phthalate 84-74-2 6.1E+03 n 6.2E+04 n 6.7E+02 n 1.7E-00 3.0E-04 P 1 0.1 Dibutyltin Compounds NA 1.8E+01 n 1.8E+02 n 4.7E+00 n 3.0E-02 I 1 0.1 Di"mba 1918-00-9 1.8E+03 n 1,8E+04 4.4E+02 n 1.1E-01 4.2E-03 P V 1 5.2E+02 Dichloro-2-butene,1,4- 764-41-0 6.9E-03 3.5E-02 c 5.8E-04 c 2.9E-03 c 1.2E-03 c 5.4E-07 4.2E-03 P V 1 0.1 5.2E+02 Dichloro-2-butene,cis-1,4- 1476-11-5 6.9E-03 c 3.5E-02 c 5.8E-04 c 2.9E-03 c 1.2E-03 5.4E-07 4.2E-03 P V 1 0.1 7.6E+02 Dichloro-2-butene,trans-1,4- 110-57-6 6.9E-03 c 3.5E-02 c 5.8E-04 c 2.9E-03 c 1.2E-03 c 5.4E-07 5.0E02 I 4.0E-03 I 1 0.1 Dichloroacetic Acid 79-43-6 9.7E+00 C. 3.4E+01 C. 1.3E+00 c6.0E+01 2.7E-04 1.2E-02 9AE-02 I 2.0E-01 H V 1 3.8E+02 Dichlorobenzene,1,2- 95-50-1 1.9E+03 ns 9.8E+03 ns 2.1E+02 n 8.8E+02 n 2.8E+02 n 6.0E+02 2.7E-01 5.8E-01 5.4E-03 C LIE-05 C 7.0E-02 A 8.0E-01 I V 1 Dichlorobenzene,1,4- 106-46-7 2.4E+00 c 1.2E+01 c 2.2E-01 1.1E+00 c 4.2E-01 c 7.5E+01 4.0E-04 7.2E-02 4,5E-01 I 3.4E-04C 1 0.1 Dichlorobenzidine,3,3'- 91-94-1 1.1E+00 c 3.8E+00 c 7.2E-03 c 3.6E-02 c 1.1E-01 c 7.1E-04 9.0E-03 X 1 0.1 Dichlorobenzophenone,4,4'- 90-98-2 5.5E+02 n 5.5E+03 n 1.4E+02 8.5E-01 2.0E-01 1 1.0E-01 X V 1 8.5E+02 Dichlorodifluoromethane 75-71-8 9.4E+01 n 4.0E+02 n 1.0E+02 n 4.4E+02 n 1.9E+02 n 3.0E-01 5.7E-03 C 1.6E-06 C 2.0E-01 P V 1 1.7E+03 Dichloroethane,l,1- 75-34-3 3.3E+00 c 1.7E+01 c 1.5E+00 c 7.7E+00 c 2.4E+00 c6.8E-04 9.1E-02 I 2.6E-05 6.0E-03 X 7.0E-03 P V 1 3.0E+03 Dichloroethane,1,2- 107-06-2 4.3E-01 C. 2.2E+00 C. 9.4E-02 C. 4.7E-01 c' 1.5E-01 c- 5.0E+00 4.2E-05 1.4E-03 5.0E-02 I 2.0E-01 I V 1 1.2E+03 Dichloroethylene,1,1- 75-35-4 2.4E+02 n 1.1E-03 n 2.1E+02 n 8.8E+02 n 2.6E+02 7.0E+00 9,3E-02 2.5E-03 9.0E-03 H V 1 1.3E+03 Dichloroethylene,1,2-(Mixed Isomers) 540-59-0 7.0E+02 n 9.2E+03 1.3E+02 3.7E-02 2.0E-03 I V 1 2.4E+03 Dichloroethylene,1,2-cis- ]56.59-2 1.6E+02 n 2.0E+03 n 2.8E+01 7.0E+01 8.2E-03 2.1E-5 Z.OE-02 1 6.0E-02 P V 1 1.7E+03 Dichloroethylene,l,2-trans- 156-60.5 1.5E+02 n 6.9E+02 n 6.3E+01 n 2.6E+02 n 9.6E+Di 1.0E+02 2.5E-02 2.9E-02 3.0E-03 I 1 0.1 Dichlorophenol,2,4- 120-83-2 1.8E+02 n 1.8E+03 n 3.5E+01 n 4.1E-02 1.0E-02 I 1 0.05 Dichlorophenoxy Acetic Acid,2,4- 94-75-7 6.9E+02 n 7.7E+03 n 1.3E+02 7.0E+01 3.5E-02 1.8E-02 8.0E-03 I 1 0.1 Dichlorophenoxy)butyric Acid,4-(2,4- 94-82-6 4.9E+02 n 4.9E+03 n 9.1E+01 n 3.6E-02 3.6E-0Z C 1.0E-05 C 9.0E-02 A 4.0E-03 I V 1 1.4E+03 Dichloropropane,1,2- 78-87-5 9.4E-01 c' 4.7E+00 C. 2.4E-01 1.2E+00 c' 3.8E-0I 5.0E+00 1.3E-04 1.7E-03 2.0E-02 P V 1 1.5E+03 Dichloropropane,1,3- 142-28-9 1.6E+03 ns 2.0E+04 ns 2.9E+02 n 9.9E-02 3.0E-03 I 1 0.1 Dichloropropanol,2,3- 616-23.9 1.8E+02 n 1.8E+03 n 4.7E+01 n 9.9E_0 1.0E-01 1 4.0E-06 I 3.0E 02 I 2.0E-02 I V 1 1.6E+03 Dichloropropene,1,3- 542-75-6 1.7E+00 c' 8.3E+00 C. 6.1E-01 3.1E+00 c' 4.1E-01 1.5E-04 2.9E-01 I 8.3E-05 C 5.0E-04 I 5.0E-04 1 1 0.1 Dichlorvos 62-73-7 1.7E+00 c' 5.9E+00 c' 2.9E-02 c' 1.5E-01 c' 2.3E-01 c- 7.0E-05 8.0E-03 P 7.0E-03 P V 1 1.3E+02 Dicyclopentadiene 77-73-6 3.IE+Oi n 1.3E+02 ns 7.3E+00 3.1E+01 n 1.2E+01 4.3E-02 1.6E+01 I 4.6E-03 I 5,0E-05 I 1 0.1 Dieldrin 60.57-1 3.0E-02 c 1.1E-01 c 5.3E-04 c 2.7E-03 c 1.5E-03 c 6.1E-05 3.0E-04 C 5.0E-03 1 1 0.1Diesel Engine Exhaust NA 8.1E-03 c 4.1E-02 c 3.0E-03 C 1 0.1 Diethanolamine 111-42-2 4.3E+06 nm 1.8E+07 3.1E+00 n 1.3E+01 n 8.0E-01 1 1 0.1 Diethyl Phthalate 84-66-2 4.9E+04 n 4.9E+05 nm 1.1E+04 n 4.7E+00 3.0E-02 P 1.0E-04 P 1 0.1 Diethylene Glycol Monobutyl Ether 112-34-5 1.8E+03 n 1.8E-04 n I.OE-01 n 4.4E-01 n 4.7E+02 I.OE-01 6.0E-02 P 3.0E-04 P 1 0.1 Diethylene Glycol Monoethyl Ether 111-90-0 3.6E+03 n 3.6E+04 n 3.1E-01 n 1.3E+00 n 9.4E+02 n 1.9E-01 1.0E-03 P 1 0.1 Diethylformamide 617-84.5 6.1E+03 6.2E+02 n 1.6E+01 n 3.2E 03 3.5E+02 C 1.0E-01 C 1 0.1 Diethylstilbestrol 56-53-1 1.4E-03 c 4.9E-03 c 2.4E-05 c 1.2E-04 c 4.3E-05 2.4E-05 8.0E-02 I 1 0.1 Difenzoquat 43222-48-6 4.9E+03 n 4.9E+04 n 1.2E+03 n 2.0E-02 1 1 0.1 Oiflubenzuron 35367-38-5 1.2E+03 n 1.2E+04 n 2.2E+02 n 2.5E-01 4.0E+01 I V 1 1.4E+03 Difluoroethane,1,1- 75-37-6 5.2E+04 ns 2.2E+05 nms 4.2E+04 n 1.8E+05 n 8,3E+04 n 2.8E+01 4.4E-02 C 1.3E-05 C V 1 0.1 1.5E+01 Dihydrosafrole 94-58-6 2.4E-01 C 1.2E+00 c 1.9E-01 c 9.4E-01 c 3.0E-01 c 3.7E-04 7.0E-01 P V 1 2.3E+03 Diisopropyl Ether 108-20.3 2.4E+03 ns 1.0E-04 ns 7.3E+02 n 3.1E+03 n 1.5E+03 n 3.7E-01 8.0E-02 I V 1 5.3E+02 Diisopropyl Methylphosphonate 1445-75-6 6.3E+03 ns 8.2E+04 ns 1.2E+03 n 3.5E-01 2.0E 02 I 1 0.1 Dimethipin 55290-64.7 1.2E+03 n 1.2E+04 3.1E+02 n 6.9E-02 2.0E-04 I 1 0.1 Dimethoate 60.51-5 1.2E+01 n 1.2E+02 n 3.1E+00 7.0E-04 1.dE-02 H 1 0.1 Dimethaxybenzidine,3,3'- 119-90-4 3.5E+01 c 1.2E+02 c 4.7E+00 c 5.7E-03 1.7E-03 P 6.0E-02 P 1 0.1 Dimethyl methylphosphonate 756-79-6 2.9E+02 c' 1.0E+03 C. 3.9E+01 c- 8.3E-03 4.6E+00 C 1.3E-03 C 1 0.1 Dirn ylamino azobenzene(p-1 60-i1-7 1.1E.01 c 3.7E-01 c 1.9E-03 c 9.4E-03 c 4.3E-03 c 1.8E-05 5.8E-01 H 1 0.1 Dimethyl aniline HCl,2,4- 21436-96-4 8.4E-01 c 3.0E+00 c 1.1E-01 c 6.2E-05 2.0E-01 P 2.0E-03 X 1 0.1 Dimethylaniline,2,4- 95-68-1 2.4E+00 C. 8.6E+00 c 3.2E-01 c' 1.8E-04 2.0E-03 I V I 8.3E+02 Dimethylaniline,N,N- 121-69-7 1.6E+02 n 2.0E+03 ns 2.7E+01 9.8E-03 1.1E+01 P 1 0.1 Dimethylbenzidine,3,3'- 119-93.7 4.4E-02 c 1.6E-01 c 5.6E-03 c 3.7E-05 1.0E-01 P 3.0E-02 1 1 0.1 Dim ethy ldrazformamide 68-12-2 6.1E+03 n 6.2E+04 n 3.1E+01 n 1.3E+02 n 1.6E+03 n 3.2E 0 1.0E-04 X 2.0E-06 X 1 0.1 Dimethylhyine,1,1- 57-14-7 6.1E+00 n 6.1E+01 n 2.1E-03 n 8.8E-03 n 1.6E+00 n 3.5E-04 5.5E+02 C 1.6E-01 C 1 0.1 Dimethylhydrazine,1,2- 540.73-8 8.8E-04 c 3.1E-03 c 1.5E-05 c 7.7E-05 c 1.2E-04 c 2.8E-08 2.0E-02 I 1 0.1 Dimethylphenol,2,4- 105-67-9 1.2E+03 n 1.2E+04 n 2.7E+02 n 3.2E-01 6.0E-04 I 1 0.1 Dimethylphenol,2,6- 576-26-1 3.7E+01 n 3.7E+02 n 8.1E+00 9,8E-03 1.0E-03 I 1 0.1 Dimethylphenol,3,4- 95-65-8 6.1E+01 n 6.2E+02 n 1.4E+01 n 1.6E-02 1.0EO I V 1 S.SE+00 Dimethylterephthalate 120-61.6 7.8E+03 ns I.OE+05 nms 1.4E+03 n 3.8E-01 4.5E-02 C 1.3E-05 C V 1 0.1 1.1E+03 Dimethylvinylchloride 513-37.1 2.0E-0i c 1.0E+00 c 1.9E-01 c 9.4E-01 c 3.0E-01 c 1.8E-04 8.0E.0 X 1 0.1 Dinitro-o-cresol,4,6- 534-52-1 4.9E+00 n 4.9E+01 n 1.2E+00 n 2.0E-03 2.0E-03 I 1 0.1 Dinitro-o-cyclohexyl Phenol,4,6- 131-89-5 1.2E+02 n 1.2E+03 n UE+01 n 5.7E-01 Page 4 of 12