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Virginia Administrative Code
Title 9. Environment
Agency 5. State Air Pollution Control Board
Chapter 190. Variance for Merck Stonewall Plant
11/21/2024

9VAC5-190-20. Definitions.

A. For the purpose of this chapter or any associated 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 chapter, all terms not defined herein shall have the meanings given them in 9VAC5 Chapter 10 (9VAC5-10-10 et seq.), unless otherwise required by context.

C. Terms defined.

"Code" means the Code of Virginia.

"DEQ" means the Department of Environmental Quality, an agency of the Commonwealth described in § 10.1-1183 of the Code of Virginia.

"Emissions caps" means the sitewide limitations on the rate of emissions of criteria pollutants established and identified as emissions caps in 9VAC5-190-30.

"EPA" means the United States Environmental Protection Agency.

"Merck" means Merck & Co., Inc., a New Jersey corporation authorized to conduct business in Virginia and the owner/operator of a plant (the Stonewall Plant) located at Route 340 South in Elkton, Virginia.

"Order" means the order granting this variance.

"PM10" means particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers as measured by the applicable reference method or an equivalent method.

"PSD permit" means the Prevention of Significant Deterioration permit issued to Merck and Co., Inc., Stonewall Plant, pursuant to the order.

"Regional director" means the Director of the Valley Regional Office of the Department of Environmental Quality located in Harrisonburg, Virginia.

"SAPCB regulations" means 9VAC5 Chapters 10 through 80.

"Site," "facility" and "Stonewall Plant" mean the contiguous property at Route 340 South, Elkton, Virginia, under common control by Merck & Co., Inc., and its successors in ownership.

"VAC" or "9 VAC" means Title 9 of the Virginia Administrative Code. This title comprises the environmental regulations for the Commonwealth of Virginia, including the regulations of the State Air Pollution Control Board.

"Variance" means this chapter.

Statutory Authority

§§ 10.1-1307 and 10.1-1308 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 14, Issue 2, eff. November 15, 1997.

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