United States Environmental Protection Agency (EPA)

California State Water Resources Control Board (SWRCB)

State of Florida, Department of Environmental Protection:
• Storage Tank Regulation

Underwriters Laboratories Inc (UL):
• Home Page
• Online Certifications Directory

Petroleum Equipment Institute (PEI)

National Fire Protection Association (NFPA)

American Petroleum Institute (API):
• Bulk Liquid Stock Control at Retail Outlets (Word Document)
• News

Industry Newsletters:
• PetrolPlaza
• PetrolWorld