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(5) Any garbage that has not been properly shredded. The installation and operation of any
<br />garbage grinder equipped with a motor of three-fourths horsepower, 0.76 hp metric, or greater
<br />shall be subject to the review and approval of the Building Commissioner.
<br />(6) Any ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar plastics,
<br />wood paunch, manure, hair and fleshings, entrails, lime slurry, lime residues, chemical residues,
<br />paint residues, cannery waste, bulk solids or any other solid or viscous substance capable of
<br />causing obstruction to the flow in sewers or other interference with proper operation of the
<br />sewage works.
<br />(7) Any waters or wastes containing TSS of such character and quantity that unusual
<br />attention or expense is required to handle such materials at the sewage treatment plant, or any
<br />substance which may cause the POTW's effluent or treatment residues, sludges or scums, to be
<br />unsuitable for reclamation and reuse or to interfere with the reclamation process.
<br />(8) Any noxious or malodorous gas or substance capable of creating a public nuisance, or
<br />substances causing the release of noxious or poisonous gases after discharge into the public
<br />sewer system, or which result in the presence of toxic gases, vapors or fumes within the POTW
<br />in a quantity that may cause acute worker health and safety problems.
<br />(9) Any waters or wastes containing strong acid iron pickling wastes or concentrated plating
<br />solutions, whether neutralized or not.
<br />(10) Any waters or wastes containing iron, chromium, copper, zinc and similar
<br />objectionable or toxic substances; or wastes exerting an excessive chlorine requirement, to such
<br />degree that any such material received in the composite sewage at the sewage treatment works
<br />exceeds the limits established by the Service Director as authorized in Chapter 917 for such
<br />materials, and which might cause the POTW to violate its NPDES and/or other disposal system
<br />permits.
<br />(11) Any waters or wastes containing phenols or other taste or odor -producing substances,
<br />in such concentrations exceeding limits which may be established by the Service Director as
<br />necessary, after treatment of the composite sewage, to meet the requirements of State, Federal or
<br />other public agencies of jurisdiction for such discharge to the receiving waters, and which might
<br />cause the POTW to violate its NPDES and/or other disposal system permits.
<br />(12) Any radioactive wastes or isotopes of such half-life or concentration as may exceed
<br />limits established by the Service Director in compliance with applicable State or Federal
<br />regulations.
<br />(13) Any waters or wastes having a pH of less than 5.5 or in excess of 9.0.
<br />(14) Materials which exert or cause:
<br />A. Unusual concentrations of inert TSS such as, but not limited to, Fullers earth, lime
<br />slurries and lime residues, or of dissolved solids such as, but not limited to, sodium chloride and
<br />sodium sulfate.
<br />B. Excessive discoloration such as, but not limited to, dye wastes and vegetable tanning
<br />solutions.
<br />C. Unusual biochemical oxygen demand, TSS, or chlorine requirements in such quantities
<br />as to constitute a significant load on the sewage treatment works.
<br />D. Unusual volume of flow or concentration of wastes constituting "slugs" as defined in
<br />Section 911.03(81).
<br />(15) Waters or wastes containing substances which are not amenable to treatment or
<br />reduction by the sewage treatment processes employed or are amenable to treatment only to such
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