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[ [ [ f [ [ [ f [ f [ [ [ [ [ [ l [ [ Regional Screening Level(RSL)Summary Table April 2012 Key:I=IRIS;P=PPRTV;A=ATS DR;C=Cal EPA;%=PPRTV Appendix;H=HEAST;J=New Jersey;Y=New York;O=EPA Office of Water;E=Environmental Criteria and Assessment Office;5=see user guide Section 5;L=see user guide an lead;M=mutagen;V=volatile;F=See FAQ;c=cancer;•=where:n SL<10OX c SL;••=where n SL<10X c SL;n=nancancer,m=Concentration may exceed ceiling limit(See User Guide);s=Concentration may exceed Csat(See User Guide);SSL values are based on DAF=1 Toxicity and Chemical-specific Information Contaminant Screening Levels Protection of Ground Water SSLs k k k k v Risk-based MCL-based SFO IUR a RFDo a R-, e o mala- C.,, Resident Soil Industrial Soil Resident Air Industrial Air Tapwater MCL SSL SSL (mg/kg-day)-' y (ug/m')° y (mg/kg-day) y(mg/m') y c gen GIABS ABS (mg/kg) Analyte CAS No. (mg/kg) key (mg/kg) key (ug/m') key (ug/m') key (ug/L) key (ug/L) (mg/kg) (mg/kg) 2.0E-01 I 1 0.1 Londax 1. +04 n 1.2E+OS nm 3.1E+03 n 7.9E-01 5.0E-04 I 1 0.1 MCPA 94-74-6 3.1E+01 n 3.1E+02 5.7E+00 1.5E-03 1.0E-02 1 1 0.1 MCPB 94-81-5 6.1E+02 6.2E+03 n 1.6E+02 n 6.2E-02 1.0E-03 1 1 0.1 MCPP 93.65-2 6.1E+01 n 6.2E+02 n 1.2E+01 3.5E-03 2.0E-02 I 1 0.1 Malathion 121-75-5 1.2E+03 n 1.2E+04 n 3.0E+02 n 7.9E-02 1.0E-01 I 7.0E-04 C 1 0.1 Maleic Anhydride 108-31-6 6.1E+03 n 6.1E+04 n 7.3E-01 n 3.1E+00 n 1.5E+03 n 3.0E-01 5.0E-01 1 1 0.1 Maleic Hydrazide 123-33-1 3.1E+04 n 3.1E+05 nm 7.8E+03 n 1.6E+00 1.0E-04 P 1 0.1 Malononitrile 109-77-3 6.1E+00 n 6.2E+01 n 1.6E+00 3.2E-04 3.0E-02 H 1 0.1 Mancozeb 8018-01-7 1.8E+03 n 1.8E+04 n 4.7E+02 n 6,6E-01 5.0E-03I 1 0.1 Maneb 12427-38-2 3.1E+02 n 3.1E+03 n 7.8E+01 1.1E-01 1.4E-01 I 5.0E-05 I 1 Manganese(Diet) 7439-96-5 2.4E-02 5 5.0E-05 1 0.04 Manganese(Non-diet) 7439-96-5 1.8E+03 n 2.3E+04 n 5.2E-02 n 2.2E-01 n 3.2E+02 n 2.1E+01 9.0E-05 H 1 0.1 Mephosfolan 950-30-7 5.5E+00 n 5.5E+01 n 1.4E+00 n 2.1E-03 3.0E-02 1 1 0.1 Mepiquat Chloride 24307-263 1.8E+03 n 1.8E+04 n 4.7E+02 n 1.6E-01 Mercury Compounds 3.0E-04 I 3.0E-05 C 0.07 -Mercuric Chloride(and other Mercury salts) 7487-94-7 2.3E+01 n 3.1E+02 n 3.1E-02 n 1.3E-01 n 4.3E+00 n 2.0E+00 3.0E-04 I V 1 3.1E+00-Mercury(elemental) 7439-97-6 1.0E+01 ns 4.3E+01 3.1E-01 n 1.3E+00 n 6.3E-01 n 2.0E+00 3.3E-02 1.0E-01 1.0E-04 I 1 '"Methyl Mercury 22967-92-6 7.8E+00 1.0E+02 n 1.6E+00 n 8.0E-05 I 1 0.1 -Phenylmercuric Acetate 62-38-4 4.9E+00 n 4.9E+01 n 1.2E+00 3.9E-04 3.0E-05 1 1 0.1 Merphos 150-50-5 1.8E+00 1.8E+01 n 4.7E-01 n 4.6E-02 3.0E-05 I 1 0.1 Merphos Oxide 78-48-8 1.8E+00 1.8E+01 n 6.1E-02 n 3.0E-04 6.0E-02 I 1 0.1 Metalaxyl 57837-19-1 3.7E+03 n 3.7E+04 n 9.2E+02 n 2.5E-01 1.0E-04 I 7.0E-04 H V 1 4.6E+03 Methacrylonitrile 126-98-7 3.2E+00 n 1.8E+O1 n 7.3E-01 n 3.1E+00 n 7.5E-01 n 1.7E-04 5.0E-05 I 1 0.1 Methamidophos 10265-92-6 3.1E+00 n 3.1E+01 7.8E-01 1.6E-04 5.0E-01 I 4.0E+00 C 1 0.1 Methanol 67-56-1 3.1E+04 n 3.1E+05 nm 4.2E+03 n 1.8E+04 n 7.8E+03 1.6E+00 1.0E'o I 1 0.1 Methidathion 950-37-8 6.1E+01 6.2E+02 n 1.5E+01 n 3.7E-03 2.5E-02 I 1 O.1 Methomyl 16752-77-5 1.5E+03 n 1.5E+04 3.9E+02 8.5E-02 4.9E-02 C 1.4E-05 C 1 0.1 Methoxy-5-nitroaniline,2- 99-59-2 9.9E+00 c 3.5E+01 c 1.7E-01 c 8.8E-01 c 1.3E+00 c 4.6E-04 5.0E-03 1 1 0.1 Methoxychlor 72-43-5 3.1E+02 3.1E+03 n 2.7E+01 n 4.0E+01 1.5E+00 2.2E+00 8.0E-03 P l.OE-03 P 1 0.1 Methoxyethanol Acetate,2- 110-49-6 4.9E+02 n 4.9E+03 1.0E+00 4.4E+00 n 1.3E+02 2.6E-02 5.0E-03 P 2.0E-02 I 1 0.1 Methoxyethanal,2- 109-86-4 3.1E+02 n 3.1E+03 n 2.1E+01 n 8.8E+01 n 7,8E+01 n 1.6E-02 1.0E+00 X V 1 2.9E+04 Methyl Acetate 79-20-9 7.5E+04 ns 1.0E+06 nms 1.6E+04 3.2E+00 3.0E-02 H V 1 6.8E+03 Methyl Acrylate 96-33-3 2.3E+03 3.1E+04 ns 4.6E+02 n 9.8E-02 6.0E-01 I 5.0E+00 I V 1 2.8E+04 Methyl Ethyl Ketone(2-Butanone) 78-93-3 2.5E+04 n 2.0E+05 nms 5.2E+03 n 2.2E+04 4.9E+03 n 1.0E+00 1.0E-03 X 1.0E-03 P 2.0E-05 X 1 0.1 Methyl Hydrazine 60-34-4 6.1E+OS 6.1E+02 n 2.4E-03 c" 1.2E-02 c" 1.6E+01 n 3.5E-03 8.0E-02 H 3.0E+00 1 V 1 3.4E+03 Methyl lsobutyl Ketone(4-methyl-2-penta none) 108-10-1 5.3E+03 ns 5.3E+04 ns 3.1E+03 1.3E+04 n 1.0E+03 n 23E-01 1.0E-03 C V 1 0.1 1.7E+04 Methyl Isocyanate 624-83-9 5.0E+00 2.1E+01 n 1.0E+00 n 4.4E+00 n 2.1E+00 5.9E-04 1.4E+00 I 7.0E-0I I V 1 2.4E+03 Methyl Methacrylate 80-62-6 4.8E+03 ns 2.1E+04 ns 7.3E+02 n 3.1E+03 n 1.4E+03 n 3.0E-01 2.5E-04 I 1 0.1 Methyl Parathion 298-00-0 1.5E+01 n 1.5E+02 3.4E+00 5.7E-03 6.0E-02 X 1 0.1 Methyl Phosphonic Acid 993-13-5 3.7E+03 n 3.7E+04 n 9.4E+02 n 1.9E-01 6.0E-03 H 4.0E-02 H V 1 3.8E+02 Methyl5tyrene(Mixed Isomers) 25013-15-4 2.5E+02 n 1.6E+03 ns 4,2E+01 n l.gE+02 3.1E+01 n 5.0E-02 9.9E-02 C 2.8E-05 C 1 0.1 Methyl methanesulfonate 66-27-3 4.9E+00 1.7E+01 c 8.7E-02 c 4.4E-01 c 6.8E-01 c 1.4E-04 1.8E-03 C 2.6E-07 C 3.0E+00 I V 1 8.9E+03 Methyl tert-Butyl Ether(MTBE) 1634-04-4 4.3E+01 c 2.2E+02 c 9.4E+00 c 4.7E+01 c 1.2E+01 c 2.8E-03 2.0E-04 % 1 0.1 Methyl-1,4-benzenediamine dihydrochloride,2- 615-45-2 1.2E+01 1.2E+02 n 3.1E+00 n 1.9E-03 9.0E-03 P 2.0E-02 % 1 0.1 Methyl-S-Nitroaniline,2- 99-55-8 5.4E+01 c' 1.9E+02 C. 7.0E+00 c 3.9E-03 8.3E+00 C 2.4E-03 C 1 0.1 Methyl-N-nitro-N-nitrosoguanidine,N- 70-25-7 5.9E-02 c 2.1E-01 c I.OE-03 c 5.1E13 c 8.1E-03 c 2.8E-06 1.3E-01 C 3.7E-05 C 1 0.1 Methylaniline Hydrochloride,2- 636-21-5 3.7E+00 c 1.3E+01 c 6.6E-02 c 3.3E-01 c 5.0E-01 c 2.1E-04 1.0E-02 A 1 0.1 Methylarsonic add 124-58-3 6.1E+02 6.2E+03 n 1.6E+02 n 2.0E-04 % 1 0.1 Methylbenzene,l-4-diamine monohydrochloride,2- 74612-12-7 1.2E+OS n 1.2E+02 n 3.1E+00 n 2.0E-04 % 1 0.1 Methylbenzene-1,4-diamine sulfate,2- 615-50-9 1.2E+01 n 1.2E+02 n 3.1E+00 2.2E+01 C 6.3E-03 C M 1 0.1 Methylcholanthrene,3- 56-49-5 5.2E-03 c 7.8E-02 c 1.5E-04 c 1.9E-03 9.8E-04 c 1.9E-03 2.0E-03 1 1.0E-08 1 6.0E-03 I 6.0E-01 I V M 1 3.3E+03 Methylene Chloride 75-09-2 5.6E+01 c" 9.6E+02 c" 9.6E+01 c•• 1.2E+03 c" 9.9E+00 c•' 5.0E+00 2.5E-03 1.3E.0 1.0E-01 P 4.3E-04 C 2.0E-03 P M 1 0.1 Methylene-bis(2-chloroaniline),4,4'- 101-14-4 1.2E+00 < 1.7E+01 c• 2.2E-03 c 2.9E-02 c 1.4E-01 c 1.6E-03 4.6E-02 I 13E-05 C 1 0.1 Methylene-bis(N,N-dimethyl)Aniline,4,4'- 101-61-1 1.1E+01 c 3.7E+01 c 1.9E-01 c 9.4E-01 c 6.0E-01 c 3.3E-03 1.6E+00 C 4.6E-04 C 2.0E-02 C 1 0.1 Methylenebisbenzenamine,4,4'- 101-77-9 3.0E-01 c 1.1E+00 c 53E-03 c 2.7E-02 c 4.1E-02 c 1.8E-04 6.0E-04 1 1 0.1 Methylenediphenyl Diisocyanate 101-68-8 8.5E+05 nm 3.6E+06 nm 6.3E-01 n 2.6E+00 n 7.0E-02 H V 1 5.0E+02 Methylstyrene,Alpha- 98-83.9 5.5E+03 ns 7.2E+04 ns 5.8E+02 n 9.3E-01 1.5E-01 I 1 0.1 Metolachlor 5121835-2 9.2E+03 n 9.2E+04 n 2.1E+03 n 2.5E+00 2.5E-02 I 1 0.1 Metribuzin 21087-64-9 1.5E+03 n 1.5E+04 3.8E+02 n 1.2E-01 3.0E+0 P V 1 0.1 3.4E-01 Mineral oils 8012-95-1 1.8E+05 nm 1.8E+06 nms 4.7E+04 n 1.9E+03 1.8E+01 C 5.1E-03 C 2.0E-04 I 1 0.1 Mirex 2385-85-5 2.7E-02 c 9.6E-02 c 4.8E-04 c 2.4E-03 c 3.7E-03 c 2.7E-03 2.0E-03 I 1 0.1 Molinate 2212-67-1 1.2E+02 n 1.2E+03 n 2.3E+01 n 1.3E-02 5.0E-03 I I Molybdenum 7439.98-7 3.9E+02 n 5.1E+03 7.8E+01 n 1.6E+00 1.0E-01 I 1 Monochloramine 10599-90-3 7.8E+03 n 1.0E+OS nm 1.6E+03 2.0E-03 P 1 0.1 Monomethylaniline 100-61-8 1.2E+02 n 1.2E+03 n 3.0E+01 n 1.1E-02 Page 7 of 12