The National Categorical Pretreatment Standards in 40 CFR Chapter I, Subchapter N, Parts 405 through 471 are hereby incorporated into this law. Upon promulgation of the National Categorical Pretreatment Standards for a particular industrial subcategory, the national standard (if more stringent than limitations imposed under this local law for sources in that subcategory) shall immediately supersede the limitations imposed under this law. The Executive Director shall notify all affected industrial users of the applicable reporting requirements under 40 CFR 403.12.
Where the JRSB's POTW achieves consistent removal of pollutants limited by the national pretreatment standards, the JRSB may apply to the approval authority for modification of specific limits in the national pretreatment standards. "Consistent removal" shall mean reduction in the amount of a pollutant or alteration of the nature of the pollutant by the POTW to a less toxic or harmless state in the effluent, which is achieved by the system in 95% of the samples taken when measured accordingly to the procedures set forth in 40 CFR Part 136, promulgated pursuant to the act. The JRSB may then modify pollutant discharge limits in the national pretreatment standards if the requirements contained in 40 CFR 403.7 are fulfilled and prior approval from the approval authority is obtained.
State requirements and limitations on discharges shall apply in any case where they are more stringent than federal requirements and limitations for those in this law.