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Virginia Administrative Code
Title 9. Environment
Agency 5. State Air Pollution Control Board
Chapter 40. Existing Stationary Sources
11/21/2024

9VAC5-40-2560. Standard for particulate matter.

A. No owner or other person shall cause, or permit to be discharged into the atmosphere from any lightweight aggregate process operation any particulate emissions in excess of the limits in Table 4-19.

TABLE 4-19

Process Weight Rate
Tons/Hr

Maximum Allowable Emission Rate
Lb/Hr

.05 or less

.176

.10

.351

.20

.702

.30

1.053

.40

1.404

.50

1.76

.75

2.64

1.0

3.51

1.25

5.27

1.75

6.15

2.0

7.02

4.0

14.0

6.0

21.1

8.0

28.1

10.0

35.1

15.0

52.7

20.0

70.2

25.0

87.8

30.0

105.0

35.0

123.0

40.0

140.0

45.0

158.0

50.0

176.0

B. Except as provided in subsection C of this section, interpretation of the emission standard in subsection A of this section shall be in accordance with 9VAC5-40-22.

C. For a process weight rate between any two consecutive rates in Table 4-19, or for rates over 50 tons per hour, the maximum allowable emission rate may be calculated by the following equation:

E = 3.51 P

where:

E = emission rate in lb/hr.

P = process weight rate in tons/hr.

Statutory Authority

§§ 10.1-1307 and 10.1-1308 of the Code of Virginia.

Historical Notes

Derived from VR120-04-1903, eff. January 1, 1985.

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