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Virginia Administrative Code (Last Updated: January 10, 2017) |
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Title 9. Environment |
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Agency 5. State Air Pollution Control Board |
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Chapter 40. Existing Stationary Sources |
Section 4320. Definitions
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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.
"Application area" means the area where the coating is applied by spraying, dipping or flow coating techniques.
"Carbon adsorption system" means a device containing activated carbon as the adsorbent material, an inlet and outlet for exhaust gases, and a system to regenerate the saturated adsorbent. The carbon adsorption system must provide for the proper disposal or reuse of all volatile organic compounds in the adsorbate.
"Coating applicator" means an apparatus used to apply a surface coating.
"Coating application system" means any operation or system wherein a surface coating of one type or function is applied, dried or cured and which is subject to the same emission standard. May include any equipment which applies, conveys, dries or cures a surface coating, including, but not limited to, spray booths, flow coaters, flashoff areas, air dryers, drying areas and ovens. It is not necessary for a coating application system to have an oven, flashoff area or drying area to be included in this definition.
"Fabric coating" means the coating of a textile substrate by knife, roll or rotogravure coating to impart properties that are not initially present, such as strength, stability, water or acid repellency, or appearance.
"Flashoff area" means the space between the application area and the oven.
"Knife coating" means the application of a coating material to a substrate by means of drawing the substrate beneath a knife that spreads the coating evenly over the full width of the substrate.
"Oven" means a chamber within which heat is used to bake, cure, polymerize or dry a surface coating or any combination of those.
"Paper coating" means the coating of paper and pressure sensitive tapes regardless of substrate by knife, roll or rotogravure coating. Related wet coating process on plastic films and decorative coatings on metal foil are included in this definition.
"Roll coating" means the application of a coating material to a substrate by means of hard rubber or metal rolls.
"Rotogravure coating" means the application of a coating material to a substrate by means of a roll coating technique in which the pattern to be applied is etched on the coating roll. The coating material is picked up in these recessed areas and is transferred to the substrate.
Historical Notes
Derived from VR120-04-3102, eff. July 1, 1991.