|
A |
B |
C |
D |
E |
F |
H |
I |
J |
K |
L |
M |
---|
1 |
OAR 340-202-0210 |
|
|
TABLE 1 |
|
2 |
Table 1 |
|
|
OAR 340-200-0020 |
|
3 |
MAXIMUM ALLOWABLE INCREASE |
|
|
SIGNIFICANT AIR QUALITY IMPACT |
|
4 |
Micrograms per cubic meter |
|
|
Pollutant |
Averaging Time |
Air Quality Area Designation |
|
5 |
CLASS I |
II |
III |
Class I |
Class II |
Class III |
|
6 |
Pollutant |
Micrograms per cubic meter |
|
|
|
|
|
|
|
|
7 |
Particulate matter: |
|
|
|
|
|
|
|
|
|
8 |
[1] PM2.5, Annual arithmetic mean |
1 |
4 |
8 |
PM2.5 (µg/m3) |
Annual |
0.06 |
0.3 |
0.3 |
0.25714286 |
9 |
1PM2.5, 24-hour maximum |
2 |
9 |
18 |
24-hour |
0.07 |
1.2 |
1.2 |
0.03428571 |
10 |
PM10, Annual arithmetic mean |
4 |
17 |
34 |
PM10 (µg/m3) |
Annual |
0.2 |
0.2 |
0.2 |
|
11 |
|
|
|
8 |
30 |
60 |
24-hour |
0.3 |
1 |
1 |
|
12 |
PM10, 24-hour maximum |
|
|
|
|
|
|
|
|
|
13 |
Sulfur dioxide: |
|
|
|
SO2 (µg/m3)* |
Annual |
0.1 |
1 |
1 |
|
14 |
Annual arithmetic mean |
2 |
|
|
24-hour |
0.2 |
5 |
5 |
|
15 |
|
|
|
5 |
|
|
3-hour |
1 |
25 |
25 |
|
16 |
24-hour maximum |
25 |
|
|
|
|
|
|
|
|
18 |
3-hour maximum |
|
|
|
|
|
|
|
|
|
19 |
Nitrogen dioxide: |
|
|
|
NO2 (µg/m3) |
Annual |
0.1 |
1 |
1 |
|
20 |
Annual arithmetic mean |
2.5 |
|
|
|
|
|
|
|
|
21 |
Class II |
|
|
|
|
|
|
|
|
22 |
Pollutant |
Micrograms per cubic meter |
|
|
|
|
|
|
|
|
23 |
Particulate matter: |
|
|
|
|
|
|
|
|
|
24 |
1PM2.5, Annual arithmetic mean |
4 |
|
|
|
|
|
|
|
|
25 |
1PM2.5, 24-hour maximum |
9 |
|
|
|
|
|
|
|
|
26 |
PM10, Annual arithmetic mean |
17 |
|
|
|
|
|
|
|
|
27 |
|
|
|
30 |
|
|
|
|
|
|
|
|
28 |
PM10, 24-hour maximum |
|
|
|
|
|
|
|
|
|
29 |
Sulfur dioxide: |
|
|
|
|
|
|
|
|
|
30 |
Annual arithmetic mean |
20 |
|
|
|
|
|
|
|
|
31 |
|
|
|
91 |
|
|
CO (mg/m3)** |
8 hour |
--- |
0.5 |
0.5 |
|
32 |
24-hour maximum |
512 |
|
|
1-hour |
--- |
2 |
2 |
|
33 |
|
|
|
|
|
|
* micrograms/cubic meter |
|
34 |
3-hour maximum |
|
|
|
**milligrams/cubic meter |
|
35 |
Nitrogen dioxide: |
|
|
|
|
|
|
|
|
|
36 |
Annual arithmetic mean |
25 |
|
|
|
|
|
|
|
|
37 |
Class III |
|
|
|
|
|
|
|
|
38 |
Pollutant |
Micrograms per cubic meter |
|
|
|
|
|
|
|
|
39 |
Particulate matter: |
|
|
|
|
|
|
|
|
|
40 |
1PM2.5, Annual arithmetic mean |
8 |
|
|
|
|
|
|
|
|
41 |
1PM2.5, 24-hour maximum |
18 |
|
|
|
|
|
|
|
|
42 |
PM10, Annual arithmetic mean |
34 |
|
|
|
|
|
|
|
|
43 |
|
|
|
60 |
|
|
|
|
|
|
|
|
44 |
PM10, 24-hour maximum |
|
|
|
|
|
|
|
|
|
45 |
Sulfur dioxide: |
|
|
|
|
|
|
|
|
|
46 |
Annual arithmetic mean |
40 |
|
|
|
|
|
|
|
|
47 |
|
|
|
182 |
|
|
|
|
|
|
|
|
48 |
24-hour maximum |
700 |
|
|
|
|
|
|
|
|
50 |
3-hour maximum |
|
|
|
|
|
|
|
|
|
51 |
Nitrogen dioxide: |
|
|
|
|
|
|
|
|
|
52 |
Annual arithmetic mean |
50 |
|
|
|
|
|
|
|
|
72 |
[1] PM2.5 Increments will become effective on October 20, 2011. |
|
|
|
|
|