(A) All significant industrial users shall notify the POTW at least 30 calendar days in advance of any substantial change in the volume or character of pollutants in their discharge, including the listed or characteristic hazardous wastes for which the industrial user has submitted initial notification as required in § 52.31.
(B) Industrial users are required to notify the Director immediately of any changes at its facility affecting the potential for a slug discharge.
(C) Any user shall notify the Director immediately after becoming aware of any discharge by the user constituting a violation of this chapter.
(D) Any significant industrial user operating under an industrial wastewater discharge permit incorporating an equivalent mass or concentration limit calculated from a production based standard shall notify the Director within 2 business days after the industrial user has a reasonable basis to know that the production level will significantly change within the next calendar month. Any user not notifying the Director of such anticipated change will be required to meet the mass or concentration limit in its permit that was based on the original estimate of the long-term average production rate.
(Ord. 5746, passed 7-1-2019)