Joe Mentzer is the Standards Engineer with STI/SPFA. He develops standards, conducts research, and develops new and improved aboveground and underground tank technologies.

Joe helps maintain various technologies and standards that STI/SPFA has responsibilities for. He also works with Underwriters Laboratories and other listing organizations in maintaining STIs Listings and the development of new designs.

He is involved with the API Sub-committee on Aboveground Storage Tanks and serves on the API Task Group updating the API 12 Series documents. He is the staff liaison for the consensus committee charged with the development of the STI Standards SP001 Aboveground Storage Tank Inspection standard and the SP031 Shop Built Storage Tank Repair standard.

Previously, Joe worked as a consultant for 25 plus years helping clients build, inspect, repair and maintain storage systems for multiple products in multiple industries. This work was done in several states including Wisconsin. He is a licensed State of Wisconsin Storage Tank Installer, a certified API Piping Inspector and a Wisconsin P.E.


Standards Engineer

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