Industrial Wastewater Discharge Permit - Tri-Pac, Inc.

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Tri-Pac Inc. Industrial Wastewater Discharge Permit page 25 of 36 ATTACHMENT 1: Definitions As used in this Industrial Discharge Permit: Board: shall mean the City of South Bend acting through its Board of Public Works or duly authorized officials or board acting in its behalf. Calendar day: shall mean any 24-hour period that represents a calendar day for the purposes of sampling. Certified Operator: shall mean a person certified by the state of Indiana to sign all user reports indicating whether pretreatment standards are being met on a consistent basis, and if not whether additional operation and maintenance and/or additional pretreatment is required to meet the Pretreatment Standards and Requirements. Director: Director means the Director of Utilities of the City of South Bend, Indiana, or the Director's authorized deputy, agent or representative. Control Authority or Industrial Pretreatment Group: shall mean the Bureau of Wastewater Division of Environmental Services located at: 3113 Riverside Drive, South Bend, IN 46628. Industrial wastes: means any solid, liquid or gaseous substances or form of energy discharged, permitted to flow or escape from an industrial, manufacturing, commercial or business process or from the development, recovery or processing of any natural resource carried on by a permittee or a person, and shall further mean any nondomestic waste to a City sewer system. Slug (or slugload): shall mean any discharge at a flow rate or concentration which could cause a violation of the prohibited discharge standards set forth in section 17-8 of the City of South Bend Municipal Code, herein, or any discharge of a non- routine, episodic nature, including, but not limited to, an accidental spill or non-customary batch discharge. Batch or Infrequent Discharge: shall refer to the discharge produced from a treatment or manufacturing process in which a tank or reactor is filled, the wastewater (or solution) is held or a chemical solution is prepared, and the tank is emptied, resulting in a discrete discharge to the sanitary sewer. Batch or infrequent discharge shall also mean wastewater produced due to cleaning, stabilizing, or conditioning chemical solutions for use in industrial manufacturing and treatment processes as well as the discharge from processes that are not in operation on a regular basis, and from occasional maintenance activities. Batch Composite Sampling: A batch composite sample shall consist of at least three (3) grab samples that are collected throughout the duration of the discharge from the batch tank. At a minimum, the samples shall be collected at the beginning, the middle, and the end of the discharge from each batch tank.