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513
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<br /> (3) Noxious Material. Noxious or malodorous solids, liquids or
<br />gases, which, either singly or by interaction with other wastes, are
<br />capable of creating a public nuisance or hazard to life, or are or may
<br />be sufficient to prevent entry into a sewer for its maintenance and repair.
<br /> (4) Improperly Shredded Garbage. Garbage that has not been ground
<br />or comminuted to such a degree that all particles will be carried freely
<br />in suspension under flow conditions normally prevailing in the public
<br />sewers, with no particle greater than one-half (1/2) inch in any dimension.
<br /> (5) Radioactive Wastes. Radioactive wastes or isotopes of such
<br />half-life or concentration that they do not comply with regulations or
<br />orders issued by the appropriate authority having control over their use
<br />and which will or may cause damage or hazards to the sewerage facilities
<br />or personnel operating the system.
<br /> (6) Solid or Viscous Wastes. Solid or viscous wastes which will or
<br />may cause obstruction to the flow in a sewer, or otherwise interfere
<br />with the proper operation of the wastewater treatment system. Prohibited
<br />materials include, but are not limited to, grease, uncomminuted garbage,
<br />animal guts or tissues, paunch manure, bones, hair, hides or fleshings,
<br />entrails, whole blood, feathers, ashes, cinders, sand, spent lime, stone
<br />or marble dust, metal, glass, straw, shavings, grass clippings, rags,
<br />spent grains, spent hops, waste paper, wood, plastic, tar, asphalt residues,
<br />residues from refining or processing of fuel or lubricating oil, and
<br />similar substances.
<br /> (7) Excessive Discharge Rate. Wastewaters at a flow rate or
<br />containing such concentrations or quantities of pollutants that exceeds
<br />for any time period longer than fifteen (15) minutes more than five (5)
<br />times the average twenty-four (24) hour concentration, quantities or
<br />flow during normal operation and that would cause a treatment process
<br />upset and subsequent loss 'of treatment efficiency.
<br /> (8) Toxic Substances. Any toxic substances in amounts exceeding
<br />standards promulgated by the Administrator of the United States
<br />Environmental Protection Agency pursuant to Section 307(a) of the Act,
<br />and chemical elements or compounds, phenols or other taste-or-odor-
<br />producing substances, or any other substances which are not susceptible
<br />to treatment or which may interfere with the biological processes or
<br />efficiency of the treatment system, or that will pass through the system.
<br /> (9) Unpolluted Water. Any unpolluted water including, but not
<br />limited to, water from cooling systems or of stormwater origin, which will
<br />increase the hydraulic load on the treatment system.
<br /> (10) Corrosive Wastes. Any waste which will cause corrosion or
<br />deterioration of the treatment system. All wastes discharged to the
<br />public sewer system must have a pH value in the range of (6) to (9)
<br />standard units. Prohibited materials, include, but are not limited to,
<br />acids, sulfides, concentrated chloride and fluoride compounds and
<br />substances which will react with water to form acidic products.
<br /> (11) Any clothing, rags, textile remnants or waste, cloth, scraps,
<br />except fibers of scrap that will pass through a one-fourth (1/4) inch
<br />mesh screen or its equivalent in screening ability.
<br /> (12) Any waters or wastes in which the suspended solids exceed three
<br />hundred (300) parts per million by weight.
<br /> (13) Any waters or wastes in which the BOD exceeds three hundred
<br /> (300) parts per million by weight.
<br /> (14) Any waters or wastes in which the COD exceeds seven hundred
<br /> (700) parts per million by weight.
<br /> (15) Any waters or wastes in which the IOD exceeds 5.0 parts per
<br />million by weight.
<br /> (16) Any materials which form excessive amounts of scum or foam
<br /> that may interfere with the operation of the waste treatment works or
<br /> cause undue additional labor in connection with its operation.
<br /> (17) Any liquid or vapor having a temperature higher than 150°F.
<br /> (18) Any waters or wastes in which the total fixed solids exceed
<br /> 1,500 mg/1.
<br /> (19) Any waters or wastes in which the ammonia exceeds 15 mg/1.
<br /> (20) Any waters or wastes containing amounts of chromium, zinc,
<br /> nickel, copper, or other heavy metals which are in an ionic or chemically
<br /> active state.
<br /> (21) Any waters or wastes containing cyanide or other such poisonous
<br /> substances.
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