Virginia Administrative Code

Database updated through January 6, 2011

Article 14 

Emission Standards for Sand and Gravel Processing Operations and Stone Quarrying and Processing 

Operations (Rule 4-14) 

9VAC5-40-1820. Applicability and designation of affected facility. 

A. The affected facility to which the provisions of this article apply is each sand and gravel processing 

operation and each stone quarrying and processing operation. 

B. The provisions of this article apply throughout the Commonwealth of Virginia. 

Statutory Authority 

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

Historical Notes 

Derived from VR120-04-1401, eff. January 1, 1985. 

9VAC5-40-1830. Definitions. 

A. For the purpose of these regulations and subsequent amendments or any orders issued by the 

board, the words or terms shall have the meanings given them in subsection C of this section. 

B. As used in this article, all terms not defined here shall have the meanings given them in 9VAC5 

Chapter 10 (9VAC5-10-10 et seq.), unless otherwise required by context. 

C. Terms defined. 

"Process operation" means a method, form, action, operation or treatment of manufacturing or 

processing, including any storage or handling of materials or products before, during or after 

manufacturing or processing. 

"Process unit" means any step in a manufacturing or process operation which results in the emission 

of pollutants to the atmosphere. 
"Process weight" means total weight of all materials introduced into any process unit which may cause 

any emission of pollutants. Process weight includes solid fuels charged, but does not include liquid and 

gaseous fuels charged or combustion air for all fuels. 

"Process weight rate" means a rate established as follows: 

a. For continuous or long-run steady-state process operations the total process weight for the 

entire period of continuous operation or for a typical portion of it, divided by the number of hours of 

such period or portion of it. 

b. For cyclical or batch process operations, the total weight for a period that covers a complete 

operation or an integral number of cycles, divided by the hours of actual process operation during 

such a period. 

Statutory Authority 

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

Historical Notes 

Derived from VR120-04-1402, eff. January 1, 1985. 

9VAC5-40-1840. Standard for particulate matter. 

A. No owner or other person shall cause or permit any material to be produced, handled, stockpiled or 

transported without taking measures to reduce to a minimum any particulate matter from becoming 

airborne. Where it is practical to measure the emission, the emission shall not exceed the limits 

established by Table 4-14. All such airborne particulate matter emanating from the yards, sidings or roads 

of such operations shall be considered fugitive dust and shall be controlled as stipulated in 9VAC5-40-

1860. All crushers shall be fitted with liquid sprays or other appropriate systems which effectively limit the 

escape of airborne dust. Vibrating and shaker screens handling dry materials shall be enclosed or fitted 

with a collector system which will prevent the release of more than 0.05 grains per standard cubic foot. All 

feeders, elevators, conveyors, transfer points, discharge points and loading points shall be equipped with 

collectors, sprays or other means when necessary to minimize the escape of dust. 
TABLE 4-14

Process Weight Maximum Allowable 

Emission Rate

Lb/Hr Tons/Hr Lb/Hr

100 or less 0.05 or less 0.551

200 0.10 0.877

400 0.20 1.40

600 0.30 1.83

800 0.40 2.22

1000 0.50 2.58

1500 0.75 3.38

2000 1.00 4.10

2500 1.25 4.76

3000 1.50 5.38

3500 1.75 5.96

4000 2.00 6.52

5000 2.50 7.58

6000 3.00 8.56

7000 3.50 9.49

8000 4.00 10.4

9000 4.50 11.2

10000 5.00 12.0

12000 6.00 13.6

16000 8.00 16.5

18000 9.00 17.9

20000 10.00 19.2

30000 15.00 25.2

40000 20.00 30.5

50000 25.00 35.4

60000 30.00 40.0

70000 35.00 41.3
80000 40.00 42.5

90000 50.00 44.6

120000 60.00 46.3

140000 70.00 47.8

160000 80.00 49.1

200000 100.00 51.3

1000000 500.00 69.0

2000000 1000.00 77.6

6000000 3000.00 92.7

B. Interpretation of emission standard in subsection A of this section shall be in accordance with 

9VAC5-40-22. 

C. The provisions of this section shall not apply to affected facilities identified in subsection A of this 

section and located in AQCR 7; however, the provisions of 9VAC5-40-270 shall apply to the facilities. 

Statutory Authority 

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

Historical Notes 

Derived from VR120-04-1403, eff. January 1, 1985. 

9VAC5-40-1850. Standard for visible emissions. 

The provisions of Article 1 (9VAC5-40-60 et seq.) of this chapter (Emission Standards for Visible 

Emissions and Fugitive Dust/Emissions, Rule 4-1) apply. 

Statutory Authority 

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

Historical Notes 

Derived from VR120-04-1404, eff. January 1, 1985. 

9VAC5-40-1860. Standard for fugitive dust/emissions. 

The provisions of Article 1 (9VAC5-40-60 et seq.) of this chapter (Emission Standards for Visible 
Emissions and Fugitive Dust/Emissions, Rule 4-1) apply. 

Statutory Authority 

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

Historical Notes 

Derived from VR120-04-1405, eff. January 1, 1985. 

9VAC5-40-1870. Standard for odor. 

The provisions of Article 2 (9VAC5-40-130 et seq.) of this chapter (Emission Standards for Odor, Rule 

4-2) apply. 

Statutory Authority 

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

Historical Notes 

Derived from VR120-04-1406, eff. January 1, 1985. 

9VAC5-40-1880. Standard for toxic pollutants. 

The provisions of Article 3 (9VAC5-40-160 et seq.) of this chapter (Emission Standards for Toxic 

Pollutants, Rule 4-3) apply. 

Statutory Authority 

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

Historical Notes 

Derived from VR120-04-1407, eff. January 1, 1985. 

9VAC5-40-1890. Compliance. 

The provisions of 9VAC5-40-20 (Compliance) apply. 

Statutory Authority 

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

Historical Notes 
Derived from VR120-04-1408, eff. January 1, 1985. 

9VAC5-40-1900. Test methods and procedures. 

The provisions of 9VAC5-40-30 (Emission Testing) apply. 

Statutory Authority 

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

Historical Notes 

Derived from VR120-04-1409, eff. January 1, 1985. 

9VAC5-40-1910. Monitoring. 

The provisions of 9VAC5-40-40 (Monitoring) apply. 

Statutory Authority 

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

Historical Notes 

Derived from VR120-04-1410, eff. January 1, 1985. 

9VAC5-40-1920. Notification, records and reporting. 

The provisions of 9VAC5-40-50 (Notification, Records and Reporting) apply. 

Statutory Authority 

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

Historical Notes 

Derived from VR120-04-1411, eff. January 1, 1985. 

9VAC5-40-1930. Registration. 

The provisions of 9VAC5-20-160 (Registration) apply. 

Statutory Authority 

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

Derived from VR120-04-1412, eff. January 1, 1985. 

9VAC5-40-1940. Facility and control equipment maintenance or malfunction. 

The provisions of 9VAC5-20-180 (Facility and Control Equipment Maintenance or Malfunction) apply. 

Statutory Authority 

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

Historical Notes 

Derived from VR120-04-1413, eff. January 1, 1985. 

9VAC5-40-1950. Permits. 

A permit may be required prior to beginning any of the activities specified below and the provisions of 

9VAC5 Chapter 50 (9VAC5-50-10 et seq.) and 9VAC5 Chapter 80 (9VAC5-80-10 et seq.) may apply. 

Owners contemplating such action should contact the appropriate regional office for guidance. 

1. Construction of a facility. 

2. Reconstruction (replacement of more than half) of a facility. 

3. Modification (any physical change to equipment) of a facility. 

4. Relocation of a facility. 

5. Reactivation (restart-up) of a facility. 

Statutory Authority 

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

Historical Notes 

Derived from VR120-04-1414, eff. January 1, 1985.