Ariz. Admin. Code § 18-2-701

Current through Register Vol. 30, No. 50, December 13, 2024

Section R18-2-701 - Definitions

For purposes of this Article:

1. "Acid mist" means sulfuric acid mist as measured in the Arizona Testing Manual and 40 CFR 60, Appendix A.

2. "Architectural coating" means a coating used commercially or industrially for residential, commercial or industrial buildings and their appurtenances, structural steel, and other fabrications such as storage tanks, bridges, beams and girders.

3. "Asphalt concrete plant" means any facility used to manufacture asphalt concrete by heating and drying aggregate and mixing with asphalt cements. This is limited to facilities, including drum dryer plants that introduce asphalt into the dryer, which employ two or more of the following processes:

a. A dryer.

b. Systems for screening, handling, storing, and weighing hot aggregate.

c. Systems for loading, transferring, and storing mineral filler.

d. Systems for mixing asphalt concrete.

e. The loading, transferring, and storage systems associated with emission control systems.

4. "Black liquor" means waste liquor from the brown stock washer and spent cooking liquor which have been concentrated in the multiple-effect evaporator system.

5. "Calcine" means the solid materials produced by a lime plant.

6. "Coal" means any solid fuel classified as anthracite, bituminous, subbituminous, or lignite by the ASTM Method D388-05 "Standard Classification of Coals by Rank" and coal refuse.

Synthetic fuels derived from coal for the purpose of creating useful heat including but not limited to, coal derived gases (not meeting the definition of natural gas), solvent-refined coal, coal-oil mixtures, and coal-water mixtures, are considered "coal" for the purposes of this subpart.

7. "Coal refuse" means any by-product of coal mining, physical coal cleaning, and coal preparation operations (e.g., culm, gob, etc.) containing coal, matrix material, clay, and other organic and inorganic material with an ash content greater than 50 percent (by weight) and a heating value less than 13,900 kilojoules per kilogram (6,000 Btu per pound) on a dry basis.

8. "Concentrate" means enriched copper ore recovered from the froth flotation process.

9. "Concentrate dryer" means any facility in which a copper sulfide ore concentrate charge is heated in the presence of air to eliminate a portion of the moisture from the charge, provided less than 5% of the sulfur contained in the charge is eliminated in the facility.

10. "Concentrate roaster" means any facility in which a copper sulfide ore concentrate is heated in the presence of air to eliminate 5% or more of the sulfur contained in the charge.

11. "Condensate stripper system" means a column, and associated condensers, used to strip, with air or steam, TRS compounds from condensate streams from various processes within a kraft pulp mill.

12. "Control device" means the air pollution control equipment used to remove particulate matter or gases generated by a process source from the effluent gas stream.

13. "Converter" means any vessel to which copper matte is charged and oxidized to copper.

14. "Electric generating plant" means all electric generating units located at a stationary source.

15. "Electric generating unit" means a combustion unit of more than 25 megawatts electric that serves a generator that produces electricity for sale and that burns coal for more than 10.0 percent of the average annual heat input during any three consecutive calendar years or for more than 15.0 percent of the annual heat input during any one calendar year. A unit that cogenerates steam and electricity and supplies more than one-third of its potential electric output capacity and more than 25 megawatts electric output to any utility power distribution system for sale is considered an electric generating unit.

16. "Existing source" means any source which does not have an applicable new source performance standard under Article 9 of this Chapter.

17. "Facility" means an identifiable piece of stationary process equipment along with all associated air pollution equipment.

18. "Federal mercury standards" means the emissions limits, monitoring, testing, recordkeeping, reporting and notification requirements applicable or relating to emissions of mercury from electric generating units under 40 CFR Part 63, Subpart UUUUU.

19. "Fugitive dust" means fugitive emissions of particulate matter.

20. "High sulfur oil" means fuel oil containing 0.90% or more by weight of sulfur.

21. "Inlet mercury" means the average concentration of mercury in the coal burned at an electric generating unit, as determined by ASTM methods, EPA-approved methods or alternative methods approved by the Director.

22. "Lime kiln" means a unit used to calcinate lime rock or kraft pulp mill lime mud, which consists primarily of calcium carbonate, into quicklime, which is calcium oxide.

23. "Low sulfur oil" means fuel oil containing less than 0.90% by weight of sulfur.

24. "Matte" means a metallic sulfide made by smelting copper sulfide ore concentrate or the roasted product of copper sulfide ores.

25. "Mercury" means mercury or mercury compounds in either a gaseous or particulate form.

26. "Miscellaneous metal parts and products" for purposes of industrial coating include all of the following:

a. Large farm machinery, such as harvesting, fertilizing and planting machines, tractors, and combines;

b. Small farm machinery, such as lawn and garden tractors, lawn mowers, and rototillers;

c. Small appliances, such as fans, mixers, blenders, crock pots, dehumidifiers, and vacuum cleaners;

d. Commercial machinery, such as office equipment, computers and auxiliary equipment, typewriters, calculators, and vending machines;

e. Industrial machinery, such as pumps, compressors, conveyor components, fans, blowers, and transformers;

f. Fabricated metal products, such as metal-covered doors and frames;

g. Any other industrial category which coats metal parts or products under the Code in the "Standard Industrial Classification Manual, 1987" of Major Group 33 (primary metal industries), Major Group 34 (fabricated metal products), Major Group 35 (non-electric machinery), Major Group 36 (electrical machinery), Major Group 37 (transportation equipment), Major Group 38 (miscellaneous instruments), and Major Group 39 (miscellaneous manufacturing industries), except all of the following:

i. Automobiles and light-duty trucks;

ii. Metal cans;

iii. Flat metal sheets and strips in the form of rolls or coils;

iv. Magnet wire for use in electrical machinery;

v. Metal furniture;

vi. Large appliances;

vii. Exterior of airplanes;

viii. Automobile refinishing;

ix. Customized top coating of automobiles and trucks, if production is less than 35 vehicles per day;

x. Exterior of marine vessels.

27. "Multiple-effect evaporator system" means the multiple-effect evaporators and associated condenser and hotwell used to concentrate the spent cooking liquid that is separated from the pulp.

28. "Neutral sulfite semichemical pulping" means any operation in which pulp is produced from wood by cooking or digesting wood chips in a solution of sodium sulfite and sodium bicarbonate, followed by mechanical defibrating or grinding.

29. "Petroleum liquids" means petroleum, condensate, and any finished or intermediate products manufactured in a petroleum refinery but does not mean Number 2 through Number 6 fuel oils as specified in ASTM D396-90a (Specification for Fuel Oils), gas turbine fuel oils Numbers 2-GT through 4-GT as specified in ASTM D2880-90a (Specification for Gas Turbine Fuel Oils), or diesel fuel oils Numbers 2-D and 4-D as specified in ASTM D975-90 (Specification for Diesel Fuel Oils).

30. "Potential electric output capacity" means 33% of a unit's maximum design heat input, divided by 3,413 Btu per kilowatt-hour, divided by 1,000 kilowatt-hours/per megawatt-hour, and multiplied by 8,760 hours per year.

31. "Process source" means the last operation or process which produces an air contaminant resulting from either:

a. The separation of the air contaminants from the process material, or

b. The conversion of constituents of the process materials into air contaminants which is not an air pollution abatement operation.

32. "Process weight" means the total weight of all materials introduced into a process source, including fuels, where these contribute to pollution generated by the process.

33. "Process weight rate" means a rate established pursuant to R18-2-702(E).

34. "Recovery furnace" means the unit, including the direct-contact evaporator for a conventional furnace, used for burning black liquor to recover chemicals consisting primarily of sodium carbonate and sodium sulfide.

35. "Reid vapor pressure" means the absolute vapor pressure of volatile crude oil and volatile non-viscous petroleum liquids, except liquified petroleum gases, as determined by ASTM D-323-90 (Test Method for Vapor Pressure of Petroleum Products) (Reid Method).

36. "Reverbatory smelting furnace" means any vessel in which the smelting of copper sulfide ore concentrates or calcines is performed and in which the heat necessary for smelting is provided primarily by combustion of a fossil fuel.

37. "Rotary lime kiln" means a unit with an included rotary drum which is used to produce a lime product from limestone by calcination.

38. "Slag" means fused and vitrified matter separated during the reduction of a metal from its ore.

39. "Smelt dissolving tank" means a vessel used for dissolving the smelt collected from the kraft mill recovery furnace.

40. "Smelter feed" means all materials utilized in the operation of a copper smelter, including metals or concentrates, fuels and chemical reagents, calculated as the aggregate sulfur content of all fuels and other feed materials whose products of combustion and gaseous by-products are emitted to the atmosphere.

41. "Smelting" means processing techniques for the smelting of a copper sulfide ore concentrate or calcine charge leading to the formation of separate layers of molten slag, molten copper, or copper matte.

42. "Smelting furnace" means any vessel in which the smelting of copper sulfide ore concentrates or calcines is performed and in which the heat necessary for smelting is provided by an electric current, rapid oxidation of a portion of the sulfur contained in the concentrate as it passes through an oxidizing atmosphere, or the combustion of a fossil fuel.

43. "Standard conditions" means a temperature of 293K (68°F or 20°C) and a pressure of 101.3 kilopascals (29.92 in. Hg or 1013.25 mb).

44. "Supplementary control system" (SCS) means a system by which sulfur dioxide emissions are curtailed during periods when meteorological conditions conducive to ground-level concentrations in excess of ambient air quality standards for sulfur dioxide either exist or are anticipated.

45. "Vapor pressure" means the pressure exerted by the gaseous form of a substance in equilibrium with its liquid or solid form.

Ariz. Admin. Code § R18-2-701

Former Section R18-2-701 repealed effective September 26, 1990 (Supp. 90-3). New Section R18-2-701 renumbered from R18-2-501 and amended effective November 15, 1993 (Supp. 93-4). Amended by final rulemaking at 12 A.A.R. 4701, effective January 29, 2007 (Supp. 06-4). Amended by final rulemaking at 18 A.A.R. 1542, effective August 7, 2012 (Supp. 12-2). Amended by Final rulemaking at 21 A.A.R. 711, effective 6/30/2015.