How Your Chlorine Container Got a Second Rulebook
PHMSA finished a rulemaking this morning that it started in 1995, and it changes which code your cargo tanks, cryogenic portable tanks and one-ton containers can be built and recertified to. Also on the file: EPA reopens the cargo tank vapor tightness rule it wrote in 2024, Tessenderlo closes on 20 percent of FMC for $403 million, Ashland pushes its European receivables facility out to 2029, and five straight days with nothing new in the California register.
In 1995, the agency that is now PHMSA asked ASME for a pressure vessel code written specifically for tanks that move.
ASME published it in 2004. Three industry bodies petitioned to have it recognized in 2005, 2006 and 2007.
It became law this morning.
"Who is allowed to build, inspect and recertify the tank your product ships in, and what changed today?"
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