NR 404.05(2)(b) (b) Sulfur dioxide.

1. Annual arithmetic mean   2 micrograms per cubic meter

2. Twenty-four hour maximum   5 micrograms per cubic meter

3. Three hour maximum   25 micrograms per cubic meter

NR 404.05(2)(c) (c) Nitrogen dioxide.

1. Annual arithmetic mean   2.5 micrograms per cubic meter

NR 404.05(3) (3) Class II increments. In any area of this state classified under the Act as a class II area, the ambient air increments for PM10, PM2.5, sulfur dioxide, and nitrogen dioxide may not exceed the following amounts:

NR 404.05(3)(a) (a) PM10.

1. Annual arithmetic mean   17 micrograms per cubic meter

2. Twenty-four hour maximum   30 micrograms per cubic meter

NR 404.05(3)(am) (am) PM2.5.

1. Annual arithmetic mean   4 micrograms per cubic meter

2. Twenty-four hour maximum   9 micrograms per cubic meter

NR 404.05(3)(b) (b) Sulfur dioxide.

1. Annual arithmetic mean   20 micrograms per cubic meter

2. Twenty-four maximum   91 micrograms per cubic meter

3. Three hour maximum   512 micrograms per cubic meter

NR 404.05(3)(c) (c) Nitrogen dioxide.

1. Annual arithmetic mean   25 micrograms per cubic meter

NR 404.05(4) (4) Class III increments. In any area of this state classified under the Act as a class III area, the ambient air increments for PM10, PM2.5, sulfur dioxide, and nitrogen dioxide may not exceed the following amounts:

NR 404.05(4)(a) (a) PM10.

1. Annual arithmetic mean   34 micrograms per cubic meter

2. Twenty-four hour maximum   60 micrograms per cubic meter

NR 404.05(4)(am) (am) PM2.5.

1. Annual arithmetic mean   8 micrograms per cubic meter

2. Twenty-four hour maximum   18 micrograms per cubic meter

NR 404.05(4)(b) (b) Sulfur dioxide.

1. Annual arithmetic mean   40 micrograms per cubic meter

2. Twenty-four hour maximum   182 micrograms per cubic meter