 |
Virginia Administrative Code (Last Updated: January 10, 2017) |
 |
Title 9. Environment |
|
Agency 5. State Air Pollution Control Board |
|
Chapter 40. Existing Stationary Sources |
Section 2110. 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.
"Portland cement plant" means any facility manufacturing portland cement by either the wet or dry process.
"Process operation" means any 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 the 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.
Historical Notes
Derived from VR120-04-1602, eff. January 1, 1985.