Amending Chapter 17, article 2, relating to pretreatment requirements for the use of public sewers

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substances specified in the applicable categorical standards. The reports shall also specify sampling location, date, time and techniques, analysis date, analyst and analysis methods, and results of all analyses. (6) If sampling performed by an industrial user indicates a violation, the industrial user must notify the Director within twenty-four (24) hours of becoming aware of the violation. The industrial user shall also repeat the sampling and analysis and submit the results of the report to the Director within thirty (30) days after becoming aware of the violation. The industrial user is not required to resample if the City performs monitoring at the industrial user at least once a month, or if the City performs sampling between the industrial user's initial sampling and when the industrial user receives the results of this sampling, or if the industrial user's regular monitoring activity will result in samples being taken within thirty (30) days of the industrial user becoming aware of the violation, unless directed by the Director to do so. (7) Any industrial user who commences the discharge of hazardous waste shall notify the Director, the EPA Regional Waste Management Division Director, and State hazardous waste authorities in writing of any discharge into the POTW of a substance which, if otherwise disposed of, would be a hazardous waste under 40 CFR Part 261. Such notification must include the name of the hazardous waste as set forth in 40 CFR Part 261, the EPA hazardous waste number, and the type of discharge (continuous, batch or other). If the industrial user discharges more than one hundred (100) kilograms (two hundred twenty (220) pounds) of such waste per calendar month to the POTW, the notification shall also contain the following information to the extent such information is known and readily available to the industrial user: an identification of the hazardous constituents contained in the wastes, an estimation of the mass and concentration of such constituents in the wastestream discharged during the calendar month, and an estimation of the mass of constituents in the wastestream expected to be discharged during the following twelve (12) months. All notifications must take place no later than one hundred eighty (180) days after the discharge commences. Any notification under this paragraph need be submitted only once for each hazardous waste discharged. However, notifications of changed discharges must be submitted as required by law. The notification requirement in this section does not apply to pollutants already reported under the self-monitoring requirements set out above. a. Dischargers are exempt from the requirements of paragraph (6) above during a calendar month in which they discharge no more than fifteen (15) kilograms (thirty-three (33) pounds) of hazardous wastes, unless the wastes are acute hazardous wastes as specified in 40 CFR 261.30(d) and 261.33(e). A discharge of more than fifteen (15) kilograms (thirty-three (33) pounds) of non-acute hazardous wastes in a calendar month, or of any quantity of acute hazardous wastes as specified in 40 CFR 261.30(d) and 261.33(e), requires aone-time notification. Subsequent months during which the industrial user discharges more than such quantities of any hazardous waste do not require additional notification. 15