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Virginia regulations · Through 2026 Regular Session (effective July 1, 2026)

9VAC5-40-270: Standard for particulate matter (AQCR 7)

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Where this section sits in the code
  1. Title 9. Environment
  2. Agency 5. State Air Pollution Control Board
  3. Chapter 40. Existing Stationary Sources
  4. Part II. Emission Standards
  5. Article 4. Emission Standards for General Process Operations (Rule 4-4)

A. Noncombustion process operations. No owner or other person shall cause or permit to be discharged into the atmosphere from any process unit any particulate emissions in excess of the limits in Table 4-4B.

TABLE 4-4B

Process Weight Rate

Maximum Allowable Emission Rate

Lb/Hr

Tons/Hr

Lb/Hr

100

0.050

0.46

150

0.075

0.66

200

0.100

0.85

250

0.125

1.03

300

0.150

1.20

350

0.175

1.35

400

0.200

1.50

450

0.225

1.63

500

0.250

1.77

550

0.275

1.85

600

0.300

2.01

650

0.325

2.12

700

0.350

2.24

750

0.375

2.34

800

0.400

2.43

850

0.425

2.53

900

0.450

2.62

950

0.475

2.72

1000

0.500

2.80

1100

0.55

2.97

1200

0.60

3.12

1300

0.65

3.26

1400

0.70

3.40

1500

0.75

3.54

1600

0.80

3.66

1700

0.85

3.79

1800

0.90

3.91

1900

0.95

4.03

2000

1.00

4.14

2100

1.05

4.24

2200

1.10

4.34

2300

1.15

4.44

2400

1.20

4.55

2500

1.25

4.64

2600

1.30

4.74

2700

1.35

4.84

2800

1.40

4.92

2900

1.45

5.02

3000

1.50

5.10

3100

1.55

5.18

3200

1.60

5.27

3300

1.65

5.36

3400

1.70

5.44

3500

1.75

5.52

3600

1.80

5.61

3700

1.85

5.69

3800

1.90

5.77

3900

1.95

5.85

4000

2.00

5.93

4100

2.05

6.01

4200

2.10

6.08

4300

2.15

6.15

4400

2.20

6.22

4500

2.25

6.30

4600

2.30

6.37

4700

2.35

6.45

4800

2.40

6.52

4900

2.45

6.60

5000

2.50

6.67

5500

2.75

7.03

6000

3.00

7.37

6500

3.25

7.71

7000

3.50

8.05

7500

3.75

8.39

8000

4.00

8.71

8500

4.25

9.03

9000

4.50

9.36

9500

4.75

9.67

10000

5.00

10.00

11000

5.50

10.63

12000

6.00

11.28

13000

6.50

11.89

14000

7.00

12.50

15000

7.50

13.13

16000

8.00

13.74

17000

8.50

14.36

18000

9.00

14.97

19000

9.50

15.58

20000

10.00

16.19

30000

15.00

22.22

40000

20.00

28.30

50000

25.00

34.30

60000 or more

30.00 or more

40.00

B. Combustion installations. Interpretation of the emission standard in subsection A of this section shall be in accordance with 9VAC5-40-22.

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