Storage and processing areas shall be designed to control and contain spills and contaminated water from leaving the facility. The design shall be sufficient to control and contain a worst case spill or release. Unenclosed containment areas shall also account for precipitation from a 25-year, 24-hour storm.

Source Note: The provisions of this §330.227 adopted to be effective March 27, 2006, 31 TexReg 2502