Legal Documents of Halls

National categorical pretreatment standards for new and existing sources set out in 40 CFR, Subchapter N, Parts 405 through 471 shall serve as the minimum requirements for all applicable industrial users.

Upon the promulgation of national categorical pretreatment standards for a particular industrial subcategory, the national standard, if more stringent than limitations imposed under § 18-609 for industrial users in that sub-category, shall immediately supersede the limitations imposed under § 18-609. The control authority shall notify all affected industrial users of the applicable reporting requirements under 40 CFR, Section 403.12.