Aboveground storage tanks storing Class I and Class II liquids at an individual site must be limited to a maximum capacity of 12,000 gal. (45,600 L) and an aggregate capacity of 40,000 gal. (152,000 L). Other authorities having jurisdiction may have more stringent regulations.

Added at 17 Ok Reg 2875, eff 7-15-00

Amended at 21 Ok Reg 2079, eff 7-1-04