United States Environmental Protection Agency (EPA)

California State Water Resources Control Board (SWRCB)

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

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