If you would like more information on corrosion, cathodic protection, or regulations concerning underground tanks, the following publications are recommended:

API Publication 1632, "Cathodic Protection of Underground Petroleum Storage Tanks and Piping Services", American Petroleum Institute, Washington D.C., 1996

Corrosion Prevention by Protective Coatings, Charles G. Munger, NACE, Houston, TX 1984

Control of Pipeline Corrosion, A.W. Peabody, NACE, Houston, TX 1967

NACE Standard RP0285-95 "Corrosion Control of Underground Storage Tank Systems by Cathodic Protection", NACE, Houston, TX 1995

NACE Standard RP0169-92, "Control of External Corrosion on Underground or Sumberged Metalic Piping Systems", NACE, Houston, TX 1992

NPGA #152-91, "Corrosion Protection for Underground LP-Gas Systems", National Propane Gas Association, Lisle, IL 1994

NPGA #412-94, "Installation of Underground LP-Gas Systems", National Propane Gas Association, Lisle, IL 1994

NFPA 54, "National Fuel Gas Code Handbook", National Fire Protection Association, Quincy, MA 1996

NFPA 58, "Standard for the Storage and Handling of Liquified Petroleum Gases", National Fire Protection Association, Quincy, MA 1995