9 Va. Admin. Code § 25-875-9999
Virginia Runoff Reduction Method: Compliance Spreadsheet User's Guide & Documentation (Version 3.0, April 2016), effective May 2, 2016
Virginia Runoff Reduction Method: Compliance Spreadsheet User's Guide & Documentation (Version 4.1, July 2024), effective April 27, 2024
Virginia Erosion and Sediment Control Regulation Minimum Standard 19 in effect prior to July 1, 2014