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(10) Wastewater which imparts color which cannot be removed by the
<br /> treatment process, such as, but not limited to, dye wastes and vegetable
<br /> tanning solutions, which consequently imparts color to the treatment plant's
<br /> effluent, thereby violating the City's NPDES permit. Color (in combination
<br /> with turbidity) shall not cause the treatment plant effluent to reduce the
<br /> depth of the compensation point for photosynthetic activity by more than
<br /> ten percent (10%) from the seasonably established norm for aquatic life;
<br /> (11) Wastewater containing any radioactive wastes or isotopes except as
<br /> specifically approved by the Director in compliance with applicable State or
<br /> Federal regulations;
<br /> (12) Storm water, surface water, ground water, artesian well water, roof runoff,
<br /> subsurface drainage, swimming pool drainage, condensate, deionized
<br /> water, non-contact cooling water, and unpolluted wastewater, unless
<br /> specifically authorized by the Director;
<br /> (13) Any sludges, screenings, or other residues from the pretreatment of
<br /> industrial or commercial wastes or from industrial or commercial
<br /> processes, except as authorized by the Director;
<br /> (14) Medical wastes, except as specifically authorized by the Director;
<br /> (15) Wastewater causing, alone or in conjunction with other sources, the
<br /> treatment plant's effluent to fail a toxicity test;
<br /> (16) Detergents, surface-active agents, or other substances in amounts which
<br /> may cause excessive foaming in the POTW;
<br /> (17) Any liquid, solids, or gases which by reason of their nature or quantity are,
<br /> or may be, sufficient either alone or by interaction with other substances to
<br /> cause fire or explosion or be injurious in any other way to the POTW or to
<br /> the operation of the POTW. At no time shall two (2) successive readings
<br /> on an explosion meter, at the point of discharge into the system (or at any
<br /> point in the system), be more than five (5%) per cent nor any single reading
<br /> over ten (10%) per cent of the lower explosive limit (LEL) of the meter.
<br /> (18) Animal guts or tissues, paunch manure, bones, hair, hides or fleshings,
<br /> entrails, whole blood, feathers, ashes, cinders, sand, spent lime, stone or
<br /> marble dusts, metal, glass, straw, shavings, grass clippings, rags, spent
<br /> grains, spent hops, waste paper, wood, plastics, gas, tar asphalt residues,
<br /> residues from refining or processing of fuel or lubricating oil, mud, or glass
<br /> grinding or polishing wastes.
<br /> (19) Any substance which will cause the POTW to violate its NPDES and/or
<br /> other disposal system permits.
<br /> (20) Any wastewater, which in the opinion of the Director can cause harm either
<br /> to the sewers, sewage treatment process, or equipment; have an adverse
<br /> effect on the receiving stream; or can otherwise endanger life, limb, public
<br /> property, or constitute a nuisance, unless allowed under special agreement
<br /> by the Director (except that no special waiver shall be given from
<br /> categorical pretreatment standards).
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