This Recommended Practice establishes standard configurations for connections on DOT 407 cargo tanks for chemical transportation.
April 2021 Edition.
Remember Me
9/18/2025Tank Engineering Publications Update - September 2025
9/18/2025Engineering Publications Update - September 2025
4/29/2026 » 5/2/2026TTMA 84th Annual Convention
7/21/2026 » 7/23/20262026 Summer Meetings