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.
9 Va. Admin. Code § 25-32-25
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.