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Is secondary containment required for Powder coating wash system tanks?

Do I need a barrier around the powder coating wash system tanks in case of a rupture? Are there EPA or other regulations that must be followed and if so, what are they?

Dennis Rhodes
Powder coat shop - Canton, Ohio, USA
July 8, 2008

Hi, Dennis. Last time I checked, EPA had secondary containment requirements for cyanide but not phosphatizing solutions. But often there are secondary containment requirements enforced by local POTWs and occasionally regional authorities.

I like to use the terms "leak" or "overflow" rather than "rupture" because open-top metal finishing tanks don't burst open (at least I've never heard of a single case in a long career in metal finishing), whereas being cognizant of small leaks and the possibility of overflows is very important. Good luck.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
(Ted can offer longterm or instant help)
finishing.com - Pine Beach, New Jersey
July , 2008

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