Section 160.220  Dikes – Capacity

Dikes surrounding tanks containing crude oil or other flammable liquid subject to boil-over, shall have a capacity of not less than the capacity of the tank surrounded and in addition shall have a coping or deflector pointing inward, so designed and constructed as to minimize the effect of the boil-over wave. The dike shall be not less than 50 feet from the shell of the tank surrounded.

(Source:  Amended at 9 Ill. Reg. 10012, effective October 1, 1985)