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Table of Contents » Title 9. Environment » Agency 25. State Water Control Board » Chapter 31. Virginia Pollutant Discharge Elimination System (VPDES) Permit Regulation » Part I. Definitions and General Program Requirements » 9VAC25-31-25. Applicability of incorporated references based on the dates that they became effective.

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Virginia Administrative Code
Title 9. Environment
Agency 25. State Water Control Board
Chapter 31. Virginia Pollutant Discharge Elimination System (VPDES) Permit Regulation

11/23/2024

9VAC25-31-25. Applicability of incorporated references based on the dates that they became effective.

Except as noted, when a regulation of the U.S. Environmental Protection Agency set forth in Title 40 of the Code of Federal Regulations is referenced and incorporated in this chapter that regulation shall be as it exists and has been published in the July 1, 2023, update.

Statutory Authority

§ 62.1-44.15 of the Code of Virginia; § 402 of the Clean Water Act; 40 CFR Parts 122, 123, 124, 403, and 503.

Historical Notes

Derived from Virginia Register Volume 28, Issue 10, eff. February 15, 2012; amended, Virginia Register Volume 29, Issue 9, eff. January 30, 2013; Volume 30, Issue 11, eff. February 26, 2014; Volume 33, Issue 22, eff. July 26, 2017; Volume 34, Issue 19, eff. June 13, 2018; Volume 37, Issue 1, eff. October 1, 2020; Volume 40, Issue 14, eff. March 27, 2024.

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