Ill. Admin. Code tit. 35 § 215.241

Current through Register Vol. 48, No. 49, December 6, 2024

Section 215.241 - External Floating Roofs

The requirements of subsection 215.124(a) shall not apply to any stationary storage tank equipped with an external floating roof:

a) Exempted under Section 215.123(a)(2) through (a)(6);

b) Of welded construction equipped with a metallic-type shoe seal having a secondary seal from the top of the shoe seal to the tank wall (shoe-mounted secondary seal);

c) Of welded construction equipped with a metallic type shoe seal, a liquid-mounted foam seal, a liquid-mounted liquid-filled-type seal, or other closure device of equivalent control efficiency approved by the Agency in which a petroleum liquid with a true vapor pressure less than 27.6 kPa (4.0 psia) at 294.3 ° K (70° F) is stored; or

d) Used to store crude oil with a pour point of 50° F or higher as determined by ASTM Standard D97-66 incorporated by reference in Section 215.105.

Ill. Admin. Code tit. 35, § 215.241

Amended at 14 Ill. Reg. 9173, effective May 23, 1990