Ordinance No. 19130 - Laserfiche WebLink

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/9/3O lutants, may injure or interfere with any wastewater treatment process, constitutes a hazard to humans or animals, creates a toxic effect in the receiving waters of the city sewerage system ar exceeds any limitation set forth in a National Categorical Pre- treatment Standard or any other pretreatment standard. fie} Any noxious ar malodorous liquid, gas or solid which, either alone or in combination with other pollutants, is sufficient to create a public nuisance ar hazard tv life yr is sufficient to prevent entry into the city sewerage system for maintenance or re- pair. ~f} Any substance which may cause the city sewer- age system's effluent or any other product of the city sewerage system such as residues, sludges, or scums, to be unsuitable for reclamation and reuse or to inter- fere with the reclamation process. fig} Any substance which will cause the city to violate its NPDES permit. ~h} Any wastewater with objectionable color not removed in the treatment process, such as, but. not limited to, dye wastes and vegetable tanning solutions. ~i} Any wastewater having a temperature which will inhibit biological activity in the treatment plant or stimulate excessive biological activity in the city sewerage system, but in no case wastewater with a tem-~ perature at the point of discharge into the city sewer- age system which exceeds 65° C X150° F} or with a tem- perature which exceeds 40° C X104° F} at the treatment works influent. ~ j } Any -pollutants at a f low rate and/or pollu- tant discharge rate which are excessive over relatively short time periods so that there is a treatment process upset and subsequent loss of treatment efficiency. In no case shall a slug load have a f law rate or discharge quantities of pollutants that exceed for any time period Longer than fifteen X15} minutes mare than five ~5} times the average flow rates or discharge quanti- ties during normal operation. ~k} Any wastewater containing any radioactive wastes or isotopes of such half life or concentration as may exceed limits established by the city manager or applicable state or federal standards. ~1} Any wastewater containing oil and grease in excess of 100 milligrams per liter of solution. as determined by freon extraction per Standard Methods. gym} Any unpolluted water, including, but not limited to, nvncontact cooling water, storm water, ground water, roof runoff, ar subsurface drainage. 6.415 Pretreatment Standards - Restricted Substances. No user shall discharge wastes containing restricted sub- Ordinance -~ 5