Ill. Admin. Code tit. 35 § 211.3190
Current through Register Vol. 48, No. 49, December 6, 2024
"Internal-floating roof" means a cover or roof in a fixed-roof tank which rests upon and is supported by the volatile organic liquid being contained and is equipped with a closure seal or seals to close the space between the roof edge and tank shell.
Ill. Admin. Code tit. 35, § 211.3190
Added at 17 Ill. Reg. 16504, effective September 27, 1993