A General

Section 742.APPENDIX A   General Section 742.TABLE H   Concentrations of Polynuclear Aromatic Hydrocarbon Chemicals in Background Soils Chemical Name Chicago a mg/kg Metropolitan Areas b (mg/kg) Non-Metropolitan Areas c (mg/kg) 2-Methylnaphthalene ----- 0.14 0.29 Acenaphthene 0.09 0.13 0.04 Acenaphthylene 0.03 0.07 0.04 Anthracene 0.25 0.40 0.14 Benzo(a)anthracene 1.1 1.8 0.72 Benzo(a)pyrene 1.3 2.1 0.98 Benzo(b)fluoranthene 1.5 2.1 0.70 Benzo(g,h,i)perylene 0.68 1.7 0.84 Benzo(k)fluoranthene 0.99 1.7 0.63 Chrysene 1.2 2.7 1.1 Dibenzo(a,h)anthracene 0.20 0.42 0.15 Fluoranthene 2.7 4.1 1.8 Fluorene 0.10 0.18 0.04 Indeno(1,2,3-c,d)pyrene 0.86 1.6 0.51 Naphthalene 0.04 0.20 0.17 Phenanthrene 1.3 2.5 0.99 Pyrene 1.9 3.0 1.2 a Chicago means within the corporate limits of the City of Chicago. b Metropolitan area means a populated area, as defined in Section 742.200, (other than the City of Chicago) that is located within any county in a Metropolitan Statistical Area listed in Appendix A, Table G, footnote a. c Non-Metropolitan area means a populated area, as defined in Section 742.200, that is not located within any county in a Metropolitan Statistical Area listed in Appendix A, Table G, footnote a.