Outdated Standard Exemptions 7-61, July 15, 1988
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7. Boilers, heaters, drying or curing ovens, furnaces, or other combustion units, but not including stationary internal combustion engines or turbines, provided that the following conditions are met:
- (1) Sweet natural gas,
- (2) Liquid petroleum gas,
- (3) Fuel gas containing no more than 0.1 grain of total sulfur compounds, calculated as sulfur, per dry standard cubic foot,
8. Water cooling towers, water treating systems for process cooling water or boiler feedwater, and water tanks, reservoirs, or other water containers designed to cool, store, or otherwise handle water (including rainwater) that have not been used in direct contact with gaseous or liquid process streams containing carbon compounds, sulfur compounds, halogens or halogen compounds, cyanide compounds, inorganic acids, or acid gases.
9. Equipment used exclusively for steam or dry cleaning of fabrics, plastics, rubber, wood, or vehicle engines or drive trains.
10. Presses used exclusively for extruding metals, minerals, plastics, rubber, or wood except where halogenated carbon compounds or hydrocarbon solvents are used as foaming agents. Presses used for extruding scrap materials or reclaiming scrap materials are not exempt.
11. Presses used for the curing of rubber products and plastic products.
12. Equipment used for hydraulic or hydrostatic testing.
13. Printing presses, provided that all the following conditions are satisfied:
- (1) 15 tons per year (tpy) for any press proposed to be covered by this standard exemption, and
- 25 tpy for all printing presses on the property covered by standard exemptions.
14. Equipment used exclusively to store and dispense motor fuels into heavy and light-duty motor vehicles, and marine vessels or other watercraft, aircraft, and railroad locomotive engines.
15. Equipment used exclusively for the dyeing or stripping of textiles.
16. Equipment used exclusively to mill or grind coatings and molding compounds where all materials charged are in a paste form.
17. Crucible or pot furnaces with a brim full capacity of less than 450 cubic inches of any molten metal.
18. Equipment used exclusively for the melting or application of wax.
19. Equipment used exclusively for bonding lining to brake shoes.
20. Equipment used in eating establishments for the purpose of preparing food for human consumption.
21. Equipment used exclusively to store or hold dry natural gas.
22. All closed tumblers used for the cleaning or deburring of metal products without abrasive blasting, and all open tumblers with a batch capacity of 1,000 pounds or less.
23. Shell core and shell mold manufacturing machines.
24. Sand or investment molds with a capacity of 100 pounds or less used for the casting of metals.
25. Batch mixers with rated capacity of five cubic feet or less.
26. Equipment used exclusively for the packaging of lubricants or greases.
27. Equipment used exclusively for conveying and storing plastic and/or rubber solid materials, provided that no visible emissions occur and:
28. Equipment used exclusively for the mixing and blending of materials at ambient temperature to make water-based adhesives.
29. Smokehouses in which the maximum horizontal inside cross-sectional area does not exceed 100 square feet.
30. Platen presses used for laminating.
31. Blast cleaning equipment using a suspension of abrasives in water.
32. Ovens, mixers, blenders, barbecue pits, and cookers if the products are edible and intended for human consumption.
33. Kilns used for firing ceramic ware, heated exclusively by natural gas, liquid petroleum gas, electricity, or any combination thereof where:
34. Bench scale laboratory equipment, and laboratory equipment used exclusively for chemical and physical analyses.
35. Equipment used for inspection of metal products.
36. Equipment used exclusively for rolling, forging, pressing, drawing, spinning, or extruding either hot or cold metals by some mechanical means.
37. Die casting machines.
38. Photographic process equipment by which an image is reproduced upon material sensitized to radiant energy.
39. Brazing, soldering, or welding equipment, except those which emit 0.6 ton per year or more of lead.
40. Hand-held or manually operated equipment used for buffing, polishing, carving, cutting, drilling, machining, routing, sanding, sawing, surface grinding, or turning of ceramic art work, ceramic precision parts, leather, metals, plastics, fiber board, masonry, carbon, glass, graphite, or wood.
41. Equipment using aqueous solutions for anodizing, electrodeposition, electroless plating, electrolytic polishing, and stripping of brass, bronze, cadmium, copper, iron, lead, nickel, tin, zinc, and precious metals; and for cleaning, stripping, etching, or other surface preparation; but not including chemical milling or electrolytic metal recovery and reclaiming systems.
42. Equipment used for washing or drying products fabricated from metal or glass, provided no volatile organic materials are used in the process and no oil or solid fuel is burned.
43. Laundry dryers, extractors, or tumblers used for fabrics cleaned with water solutions of bleach or detergents.
44. Foundry sand mold forming equipment to which no heat is applied.
45. Equipment used for compression molding and injection molding of plastics.
46. Mixers, blenders, roll mills, or calenders for rubber or plastics, provided the following conditions are satisfied:
47. Equipment used exclusively to package pharmaceuticals and cosmetics or to coat pharmaceutical tablets.
48. Roll mills or calenders for rubber or plastics in which organic solvents, diluents, or thinners are used, provided that before construction begins, the facility is registered with Form PI-7 and information regarding process rate and type of material emitted is submitted.
49. Vacuum producing devices used in laboratory operations.
50. Containers, reservoirs, or tanks used exclusively for dipping operations for coating objects with oils, waxes, or greases where no organic solvents, diluents, or thinners are used; or dipping operations for applying coatings of natural or synthetic resins which contain no organic solvents.
51. Liquid loading or unloading equipment for railcars, tank trucks, or drums; storage containers, reservoirs, tanks; and change of service of material loaded, unloaded, or stored, provided that no visible emissions result and the chemicals loaded, unloaded, or stored are limited to:
53. Organic liquids loading or unloading equipment for railcars, tank trucks, or drums; and storage containers, tanks, or change of service of the material loaded, unloaded, or stored, provided that all of the following conditions are met:
- (1) Organic liquids normally used as solvents, diluents, thinners, inks, colorants, paints, lacquers, enamels, varnishes, liquid resins, or other surface coatings.
- (2) Petroleum, petroleum fuels, other motor vehicle fuels, and natural gas liquids, none of which have a true vapor pressure of 11.0 psia or greater at maximum temperature of use.
57. Electrically heated or sweet natural gas or liquid petroleum gas fueled equipment used exclusively for heat treating, soaking, case hardening, or surface conditioning of metal objects, such as carbonizing, cyaniding, nitriding, carbonnitriding, siliconizing, or diffusion treating.
58. Metal Melting and Holding Furnaces as specified below:
- (1) No smelting, reduction, sweating, metal separation, or distilling is conducted.
- (2) In ferrous melting furnaces where gray iron or steel is melted.
- (A) Ductile iron is not produced, and
- (B) The furnace charge is free of oil, grease, and paint.
- (3) In nonferrous melting furnaces, only the following metals are melted, poured, or held in a molten state:
- (A) Aluminum or any alloy containing over 50% aluminum.
- (B) Magnesium or any alloy containing over 50% magnesium.
- (C) Tin or any alloy containing over 50% tin.
- (D) Zinc or any alloy containing over 50% zinc.
- (E) Copper.
- (F) Precious metals.
- (4) No lead, leaded brass, leaded bronze, or magnesium bronze is melted, poured, or held in a molten state.
59. Vacuum cleaning systems used exclusively for industrial, commercial, or residential housekeeping purposes.
60. Sewage treatment facilities (excluding combustion or incineration equipment, land farms, or grease trap waste handling or treatment facilities).
61. Water and wastewater treatment units, provided all of the following conditions are met:
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