Ill. Admin. Code tit. 35 § 211.7010
Current through Register Vol. 48, No. 49, December 6, 2024
"Vapor-mounted primary seal" means a primary seal mounted with an air space bounded by the bottom of the primary seal, the tank wall, the liquid surface and the floating roof.
Ill. Admin. Code tit. 35, § 211.7010
Added at 17 Ill. Reg. 16504, effective September 27, 1993