RP 1604
Closure of Underground Petroleum Storage Tanks
3rd Edition | March 1996 | Reaffirmed: November 1, 2001

RP 1615
Installation of Underground Petroleum Storage Systems
5th Edition | March 1996 | Reaffirmed: November 1, 2001

RP 1631
Interior Lining and Periodic Inspection of Underground Storage Tanks
5th Edition | June 2001

RP 1632
Cathodic Protection of Underground Petroleum Storage Tanks and
Piping Systems
3rd Edition | January 1996 | Reaffirmed: June 1, 2002