83-012 ORD ARTICLE III SEWER USE ORDINANCE

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C. DEFINITIONS Unless the context specifically indicates otherwise, the following terms and phrases, as used in this enactment, shall have the mean- ings herein designated: 1) Act or "the Act" - The Federal Water Pollution Control Act, also known as the Clean Water Act, as amended, 33 U.S.C. 1251, et. seq. 2) Approval Authority - The Administrator of the Environmental Protection Agency (EPA) or the appropriate agency of the State of Texas. 3) Approving Authority - The City Council or City Manager of the City of Paris, Texas. 4) Authorized Representative of Industrial User - a) a. principal executive officer of at least the level of vice-president, if the industrial user is a corporation; b) a general partner or proprietor if the industrial user is a partnership or proprietorship respectively; c) a duly authorized representative of the individual designated above if such representative is responsible for the overall operation of the facilities from which the discharge originates. 5) Biochemical Oxygen Demand (BOD~)- The quantity of oxy- gen utilized in the biochemical oxidation of organic matter under standard laboratory procedure, five (5) days at twenty (20) degrees Centigrade expressed in terms of weight and concentration (milligrams per liter (mg/1) ) as set forth in Standard Methods. 6) Boiler Blowdown Wastewater - Wastewater emitted from a boiler or energy generating equipment containing chemical residues as a result of the conventional boiler water treat- ment programs. 7) Building Sewer - The extension from the building drain to the public sewer. 8) Categorical Standards or Categorical Pretreatment Standards - National pretreatment standards specifying quantities or concentrations of pollutants or pollutant properties which may be discharged or introduced into a public sewer system by specific industrial categories. These standards are promulgated pursuant to Sec. 406.0 of the General Pretreat- ment Regulations for Existing and New Sources (40 CFR Parts 125 and 403). 9) Chemical Oxygen Demand (COD)- The measure of oxygen consuming capacity of organic and inorganic matter present in the water or wastewater expressed in mg/1 as the amount of oxygen consumed from a chemical oxidant in a specific test, but not differentiating stable from unstable organic matter and thus not necessarily correlating with biochemical oxygen demand. 10) City - The City of Paris, Paris, Texas, or any authorized person acting in its behalf. 11) Composite Sample - A series of samples mixed together so as to approximate the average strength of discharge to the sewer. A composite sample for one day shall consist of a pool of twenty-four samples (100 ml. minimum volume), each taken hourly, unless special conditions warrant otherwise and the Superintendent designates an alternative procedure 3