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3) Any wastewater having a pH less than 5.0 or more than 10.0 or
<br /> having any other corrosive property capable of causing damage
<br /> or hazard to structures, equipment and personnel of the waste-
<br /> water disposal system.
<br />
<br />4) Solid or viscous substances in quantities or of such size capable
<br /> of causing obstruction to the flow in. sewers, or other interference
<br /> with the proper operating of the sewage works such as, but not
<br /> limited to, ashes, spent line, cinders, stone or marble dust,
<br /> sand, mud, straw, shavings, metal, glass, rags, feathers, gas, tar,
<br /> plastics, wood, grease, unground garbage with particles greater
<br /> than one-half inch (1/2") in any dimension, whole blood, paunch
<br /> manure, bones, hair and hides or fleshings, animal guts or tissues,
<br /> entrails, disposable diapers, paper towels, and paper dishes, cups,
<br /> milk containers, etc., either whole or ground by garbage grinders,
<br /> grass clippings, spent grains, spent hops, waste paper, asphalt
<br /> residues, residues from refining or processing of fuel or lubri-
<br /> cating oil, glass grinding or. polishing wastes.
<br />
<br />5) Any noxious or malodorous liquids, gases, or solids which either
<br /> singly or by interaction with other wastes are capable of creating
<br /> a public nuisance or hazard to life or are sufficient to prevent
<br /> entry into the sewers for their maintenance and repair.
<br />
<br />6) Any substance which may cause the wastewater disposal system's
<br /> effluent or any other product of the wastewater treatment pro-
<br /> cess such as residues, sludges, or scums, to be unsuitable for
<br /> reclamation and reuse or to interfere with the reclamation pro-
<br /> cess. In no case, shall a substance discharged to the waste-
<br /> water disposal system cause the system to be in noncompliance
<br /> with sludge use or disposal criteria, guidelines or regulations
<br /> developed under Section 405 of the Act; any criteria, guidelines
<br /> or regulations affecting sludge use or disposal developed pur-
<br /> suant to the solid Wastes Disposal Act, the Clean Air Act, the
<br /> Toxic Substances Control Act, or State Standards applicable to
<br /> the sludge management method being used.
<br />
<br />7) Any substance which will cause the wastewater disposal system to
<br /> violate its NPDES Permit or the receiving water quality standards
<br />
<br />8) Any wastewater which creates conditions at or near the wastewater
<br /> disposal system which violates any statute or any rule, regulation
<br /> or ordinance or any public agency or state or federal regulatory
<br /> body.
<br />
<br />e) No person shall discharge or cause to be discharged the following de-
<br /> scribed substances, materials, waters or wastes which can harm either
<br /> the sewers, wastewater treatment process, or equipment, have an ad-
<br /> verse effect on the receiving stream, or can otherwise endanger life,
<br /> limb, public property, or constitute a nuisance. In judging the
<br /> acceptability of wastes not covered below, the City Engineer will
<br /> give consideration to such factors as the quantities of subject
<br /> wastes in relation to flows and velocities in the sewers, materials
<br /> of construction of the sewers, nature of the wastewater treatment
<br /> process, capacity of the wastewater treatment plant, degree of
<br /> treatability of wastes in the wastewater treatment plant, and other
<br /> pertinent factors. The substances prohibited are:
<br />
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