. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. c CD O c o o 1200 1000 800 600 400 200 0 Note: TâIâIâIâIâIâIâIâIâIâIâIâr Metro-East area. N:18 20 17 18 16 15 15 16 13 12 8 5 7 r I I I I I I I I I f I I T 1 1 1 1 1 1âIâIâIâIâIâr Remainder of state 8 p 8 8 ° A iQ i N:44 43 39 34 32 34 33 33 32 30 22 7 7 I r I I I I 1 I I I I I [_ 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 The state primary standard for 24-hr
. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. c CD O c o o 1200 1000 800 600 400 200 0 Note: TâIâIâIâIâIâIâIâIâIâIâIâr Metro-East area. N:18 20 17 18 16 15 15 16 13 12 8 5 7 r I I I I I I I I I f I I T 1 1 1 1 1 1âIâIâIâIâIâr Remainder of state 8 p 8 8 ° A iQ i N:44 43 39 34 32 34 33 33 32 30 22 7 7 I r I I I I 1 I I I I I [_ 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 The state primary standard for 24-hr maximum TSP concentration is 260 /xg/M . N = number of samples. Figure 11. Trends in 24-hr maximum TSP concentrations in Illinois. 300 250 200 150 â } 100 O) :t 50 c o n CO 300 c <D ?50 U c o O 200 âIâIâIâIâIâIâIâIâIâIâI I r Whole state. 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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