9VAC25-193-20. Purpose.
This general permit regulation governs the discharge of process wastewater and stormwater associated with industrial activity from concrete products facilities classified as NAICS Codes 327331, 327332, 327390, 327320, 327999 (dry mix concrete manufacturing only) and Standard Industrial Classification Codes 3271, 3272 and 3273, provided that the discharge is through a point source to surface waters.
Statutory Authority
§ 62.1-44.15 of the Code of Virginia; § 402 of the Clean Water Act; 40 CFR Parts 122, 123, and 124.
Historical Notes
Derived from Virginia Register Volume 14, Issue 24, eff. October 1, 1998; amended, Virginia Register Volume 22, Issue 9, eff. February 8, 2006; Volume 29, Issue 16, eff. October 1, 2013; Volume 35, Issue 5, eff. January 1, 2019.