Such notification shall include: the identity of the waste as set forth in 40 CFR Part 261; the EPA hazardous waste number; the type of discharge (batch, continuous or other); and if the IU discharges more than 220 pounds (100 kilograms) of such waste per calendar month to the POTW, the notification shall also contain the following information, to the extent each information is known and readily available to the 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 12 months. City Code, 1976/83, art. 25, §7(c)(1)(2nd sen.), (2) Ord. 91-775