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TABLE 3-2 SUMMARY OF CONSTITUENTS OF CONCERN FOR SOIL BY EXPOSURE PATHWAY CHAMPAIGN MGP SITE AMERENIP

SOIL INGESTION SOIL INHALATION INDOOR INHALATION Constituent Industrial/ Industrial/ Industrial/ Soil Component to Depth (Feet) Type Residential Commercial Construction Residential Commercial Construction Residential Commercial Groundwater Ingestion benzene benzene benzene benzene benzene benzene BTEX / VOCs ------ ethylbenzene xylene benzo(a) benzo(a)anthracene benzo(a) benzo(a)anthracene benzo(a)pyrene naphthalene naphthalene naphthalene naphthalene benzo(a)pyrene benzo(b) benzo(a)pyrene benzo(b)fluoranthene 0 - 3 PNAs / SVOCs dibenzo(a,h)anthracene benzo(b)fluoranthene indeno(1,2,3-cd)pyrene dibenzo(a,h)anthracene dibenzo(a,h)anthracene benzo(k)fluoranthene indeno(1,2,3-cd)pyrene indeno(1,2,3-cd)pyrene naphthalene arsenic arsenic arsenic Inorganics lead lead lead mercury mercury mercury lead ------cyanide chromium cyanide benzene benzene benzene benzene BTEX / VOCs benzene benzene benzene ethylbenzne ethylbenzne ethylbenzne ethylbenzne ------ xylene xylene toluene xylene methylene chloride benzo(a)anthracene benzo(a)anthracene benzo(a)pyrene benzo(a)pyrene benzo(a)pyrene naphthalene naphthalene naphthalene 2-methylnaphthalene 2-methylnaphthalene acenaphthylene benzo(b)fluoranthene benzo(b)fluoranthene dibenzo(a,h)anthracene naphthalene naphthalene benzo(a)anthracene 3 - 10 PNAs / SVOCs benzo(k)fluoranthene dibenzo(a,h)anthracene benzo(a)pyrene indeno(1,2,3-cd)pyrene benzo(b)fluoranthene dibenzo(a,h)anthracene benzo(k)fluoranthene benzo(k)fluoranthene indeno(1,2,3-cd)pyrene dibenzo(a,h)anthracene naphthalene indeno(1,2,3-cd)pyrene naphthalene phenanthrene 2-methylnaphthalene dibenzofuran Inorganics ------

benzene benzene benzene benzene benzene benzene BTEX / VOCs benzene benzene ethylbenzene ethylbenzene ethylbenzene ethylbenzene ethylbenzene ethylbenzene toluene toluene toluene toluene toluene toluene xylene xylene xylene xylene xylene xylene ------ styrene styrene acetone methylene chloride styrene

benzo(a)anthracene benzo(a)anthracene benzo(a)anthracene acenaphthylene Greater benzo(a)pyrene benzo(a)pyrene benzo(a)pyrene naphthalene naphthalene naphthalene 2-methylnaphthalene 2-methylnaphthalene acenaphthene than benzo(b)fluoranthene benzo(b)fluoranthene benzo(b)fluoranthene naphthalene naphthalene benzo(a)anthracene 10 PNAs / SVOCs dibenzo(a,h)anthracene dibenzo(a,h)anthracene dibenzo(a,h)anthracene benzo(a)pyrene indeno(1,2,3-cd)pyrene indeno(1,2,3-cd)pyrene dibenzofuran benzo(b)fluoranthene benzo(k)fluoranthene naphthalene benzo(k)fluoranthene chrysene dibenzo(a,h)anthracene naphthalene indeno(1,2,3-cd)pyrene phenanthrene naphthalene dibenzofuran phenanthrene 2-methylnaphthalene chrysene 2-methylnaphthalene dibenzofuran

Inorganics ------

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