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Virginia Administrative Code
Title 9. Environment
Agency 5. State Air Pollution Control Board
Chapter 510. Nonmetallic Mineral Processing General Permit

9VAC5-510-20. Terms defined.

"Actual emissions" means the actual emissions of a pollutant from a stationary source or emissions unit reflecting the rate, in tons per year, at which the source or unit actually emitted the pollutant during the most recent annual period. Actual emissions shall be calculated using the source or unit's actual operating hours, in place emission controls, production rates, and types of materials processed, stored, or combusted during the annual period. Valid continuous emission monitoring data or source test data shall be preferentially used to determine actual emissions. In the absence of valid continuous emissions monitoring data or source test data, the basis for determining actual emissions shall be any or all of the following as may be determined by the department: throughputs of process materials; throughputs of materials stored; usage of materials; data provided in manufacturer's product specifications, material volatile organic compound content reports or laboratory analyses; other information required by this chapter and other regulations of the board; or information requested in writing by the department. All calculations of actual emissions shall use U.S. Environmental Protection Agency or department-approved methods, including emission factors and assumptions.

"Annual period" means a period of 12 consecutive months determined on a rolling basis with a new 12-month period beginning on the first day of each calendar month.

"Federal operating permit" means a permit issued pursuant to Article 1 (9VAC5-80-50 et seq.) of Part II of 9VAC5 Chapter 80.

"Fugitive dust" means particulate matter composed of soil or other materials, or both, of natural origin. Fugitive dust may include emissions from haul roads, wind erosion of exposed surfaces and storage piles and other activities in which the material is either removed, stored, transported or redistributed.

"Fugitive emissions" means emissions which are generated by industrial or other activities and which do not pass through a stack, chimney, vent or other functionally equivalent opening, but which may escape from openings (such as windows, doors, ill-fitting closures or poorly maintained equipment) or material handling equipment.

"General permit" means the terms and conditions in Part IV (9VAC5-510-170 et seq.) of this chapter that meet the requirements of Part III (9VAC5-510-90 et seq.) of this chapter and issued under the provisions 9VAC5-80-1030 and 9VAC5-80-1250.

"New source review program" means a program for the preconstruction review and permitting of new stationary sources or emissions units or expansions to existing ones in accordance with regulations promulgated to implement the requirements of §§ 110(a)(2)(C), 112 (relating to permits for hazardous air pollutants), 165 (relating to permits in prevention of significant deterioration areas), and 173 (relating to permits in nonattainment areas) of the federal Clean Air Act.

"Nonmetallic mineral" means any of the following minerals or any mixture of which the majority is any of the following minerals:

1. Crushed and broken stone, including limestone, dolomite, granite, traprock, sandstone, quartz, quartzite, marl, marble, slate, shale, oil shale, and shell.

2. Sand and gravel.

3. Clay including kaolin, fireclay, bentonite, fuller's earth, ball clay, and common clay.

4. Rock salt.

5. Gypsum.

6. Sodium compounds, including sodium carbonate, sodium chloride, and sodium sulfate.

7. Pumice.

8. Gilsonite.

9. Talc and pyrophyllite.

10. Boron, including borax, kernite, and colemanite.

11. Barite.

12. Fluorospar.

13. Feldspar.

14. Diatomite.

15. Perlite.

16. Vermiculite.

17. Mica.

18. Kyanite, including andalusite, sillimanite, topaz, and dumortierite.

"Nonmetallic mineral processing facility" means any combination of equipment that is used to crush or grind any nonmetallic mineral wherever located, including lime plants, power plants, steel mills, asphalt concrete plants, portland cement plants, or any other facility processing nonmetallic minerals. Includes activity at facilities where the primary purpose is classified as Standard Industrial Classification (SIC) Code 1411, 1422, 1423, 1429, 1442, 1446, 1455, 1459, and 1499 as described in the Standard Industrial Classification Manual (see 9VAC5-20-21). Includes stationary diesel engines. Also includes activity at facilities classified under other SIC codes that may be colocated within the nonmetallic mineral processing area, unless they are expressly excluded by this chapter.

"Permittee" means the owner of a nonmetallic mineral processing facility covered under this general permit.

"Portable facility" means any nonmetallic mineral processing facility that is mounted on any chassis or skids and may be moved by the application of a lifting or pulling force. In addition, there shall be no cable, chain, turnbuckle, bolt or other means (except electrical connections) by which any piece of equipment is attached or clamped to any anchor, slab, or structure, including bedrock that must be removed prior to the application of a lifting or pulling force for the purpose of transporting the unit.

"Potential to emit" means the maximum capacity of a stationary source to emit any air pollutant under its physical and operational design. Any physical or operational limitation on the capacity of a source to emit an air pollutant, including air pollution control equipment and restrictions on hours of operation or on the type or amount of material combusted, stored, or processed, shall be treated as part of its design if the limitation is state and federally enforceable.

"Relocation" means a change in physical location of a nonmetallic mineral processing facility or an emissions unit from one nonmetallic mineral processing facility to another nonmetallic mineral processing facility.

"Spreadsheet" means the Aggregate Processing Emission Calculation Spreadsheet and the Stationary Diesel Engine Emission Calculation Spreadsheet.

"State operating permit" means a permit issued pursuant to Article 5 (9VAC5-80-800 et seq.) of Part II of 9VAC5 Chapter 80.

Part II

General Provisions

Statutory Authority

§ 10.1-1308 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 19, Issue 3, eff. December 1, 2002.

Website addresses provided in the Virginia Administrative Code to documents incorporated by reference are for the reader's convenience only, may not necessarily be active or current, and should not be relied upon. To ensure the information incorporated by reference is accurate, the reader is encouraged to use the source document described in the regulation.

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