American Petroleum Institute (API) Standard API 570: Piping Inspection Code, November 2009, "[ In-service ] Inspection, [ Rating ] Repair, [ and ] Alteration, of Piping Systems, Third Edition
American Petroleum Institute (API) Standard API 653, April 2009, "Tank Inspection, Repair, Alteration, and Reconstruction," includes Addendum 1 (2010) and Addendum 2 (2012), Fourth Edition
American Petroleum Institute (API) Standard API 1632: Recommended Practice 1632, [ reaffirmed 2010 ] "Cathodic Protection of Underground Petroleum Storage Tanks and Piping Systems," Third Edition
National Association of Corrosion Engineers (NACE) SP0285-2011,"[ External ] Corrosion Control of Underground Storage Tank Systems by Cathodic Protection" [ , revised March 13, 2011 ]
Steel Tank Institute (STI), Standard STI - SP001 "Standard for the Inspection of Aboveground Storage Tanks," Fifth Edition, September 2011
9 Va. Admin. Code § DOCUMENTS INCORPORATED BY REFERENCE (9VAC25-91)
Statutory Authority: §§ 62.1-44.15, 62.1-44.34:15, 62.1-44.34:15.1, and 62.1-44.34:19.1 of the Code of Virginia.