DEQ will use the interim strategy described in OAC 252:606-6-20 through 6-26 for implementation of the narrative toxicity criterion for ammonia for major municipalities which have DO-based WLAs for ammonia and for major industries which produce ammonia as a commercial product or as a by-product of their industrial processes, or which have technology-based ammonia limits or DO-based ammonia WLAs.

Added at 41 Ok Reg, Number 23, effective 9-15-24