Any user operating under a special agreement with the City incorporating mass or concentration limits based on production levels shall notify the City in writing within two (2) business days after the user has a reasonable basis to know that the production level will significantly change within the next calendar month. Any user not providing a notice of such anticipated change will be required to comply with existing limits contained in the special agreement.

All users shall promptly notify the City in writing in advance of any substantial change in the volume or character of pollutants in their discharge, including significant manufacturing process changes, pretreatment modifications, and the listed or characteristic hazardous wastes for which the user has submitted initial notification, as required in 40 CFR 403.12(p). (Ord. 2351, 2018)