TITLE 35: ENVIRONMENTAL PROTECTION
SUBTITLE B: AIR POLLUTION
CHAPTER I: POLLUTION CONTROL BOARD
SUBCHAPTER l: AIR QUALITY STANDARDS AND EPISODES
PART 244 EPISODES
SECTION 244.161 ADVISORY, ALERT AND EMERGENCY LEVELS:
SUBTITLE B: AIR POLLUTION
CHAPTER I: POLLUTION CONTROL BOARD
SUBCHAPTER l: AIR QUALITY STANDARDS AND EPISODES
PART 244 EPISODES
SECTION 244.161 ADVISORY, ALERT AND EMERGENCY LEVELS:
Section 244.161 Advisory, Alert and Emergency Levels:
|
Pollutant |
Averaging Time |
Advisory |
Yellow Alert |
Red Alert |
Emergency |
|
|
|
|
|
|
|
|
Sulfur dioxide (ppm) |
2-hour |
0.30 |
-- |
-- |
-- |
|
4-hour |
-- |
0.30 |
0.35 |
0.40 |
|
|
|
|
|
|
|
|
|
(PM10 µg/m3 |
2-hour |
420 |
-- |
-- |
-- |
|
24-hour |
-- |
350 |
420 |
500 |
|
|
|
|
|
|
|
|
|
Carbon Monoxide (ppm) |
2-hour |
30 |
-- |
-- |
|
|
8-hour |
-- |
15. |
30. |
40. |
|
|
|
|
|
|
|
|
|
Ozone (ppm) |
1-hour |
0.12 |
0.20 |
0.30 |
0.50 |
|
|
|
|
|
|
|
|
Nitrogen dioxide (ppm) |
2-hour |
0.40 |
-- |
-- |
-- |
|
1-hour |
-- |
0.60 |
1.20 |
1.60 |
|
|
24-hour |
-- |
0.15 |
0.30 |
0.40 |
(Source: Amended at 16 Ill. Reg. 8191, effective May 15, 1992)