. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. —I—I—I—I—I—I—I—I—I—I—I—I—r Chicago area N: 72 77 60 58 50 53 51 59 © 47 32 9 7 I r I I I I I I —I—I—;—I—I—I—I—I—I—I—I—I—r Remainder of state. N:33 32 29 25 30 29 30 31 29 25 17 5 7 I I I I I I I I I I 1 1 L. 78 79 80 81 82 83 84 85 86 87 88 89 90 78 79 80 81 82 83 84 85 86 87 88 89 90 Year 3 Note: The state primary standard for annual geometric mean TSP is 75 /xg/M N = number of samples. Figure 12.

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. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. —I—I—I—I—I—I—I—I—I—I—I—I—r Chicago area N: 72 77 60 58 50 53 51 59 © 47 32 9 7 I r I I I I I I —I—I—;—I—I—I—I—I—I—I—I—I—r Remainder of state. N:33 32 29 25 30 29 30 31 29 25 17 5 7 I I I I I I I I I I 1 1 L. 78 79 80 81 82 83 84 85 86 87 88 89 90 78 79 80 81 82 83 84 85 86 87 88 89 90 Year 3 Note: The state primary standard for annual geometric mean TSP is 75 /xg/M N = number of samples. Figure 12. Trends in annual geometric mean TSP concentrations in Illinois. 107. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Dept. of Energy and Natural Resources; Critical Trends Assessment Project. Springfield, Ill. : Ill. Dept. of Energy and Natural Resources

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