The operator and permittee shall assure for construction, operation, maintenance, monitoring, closure, and post-closure of a Class I salt cavern solid waste disposal well and associated cavern, the continuous attainment of a performance standard of no escape of hazardous constituents from the salt cavern injection zone. Demonstration of attainment of this standard may be shown by modeling waste transport over a period of at least 15,000 years. The provisions of this chapter, as well as any permit or order issued by the commission, shall be construed as minimum operating requirements. To qualify for a permit or to otherwise operate a Class I salt cavern solid waste disposal well and associated cavern, permit applicants and facility operators must demonstrate that this performance standard will be satisfied even if it is necessary to go beyond the minimum operating requirements described in this chapter.

Source Note:The provisions of this §331.162 adopted to be effective June 22, 1992, 17 TexReg 4097.