91-095 Ordinance - Laserfiche WebLink

Home Browse Search

(88) "Suspended solids" (TSS) means solids that either float an the surface of, or are in suspension, or will settle in water, sewage or industrial waste, and which are removable by a laboratory filtration device. Quantitative determination of suspended solids shall be made in accordance with procedures set forth in Standard Methods, as defined in subsection (83) hereof. (89) "Total solids" means the sum of suspended and dissolved solids. (90) "Toxic amounts" means concentrations of any pollutant or combination of pollutants which, upon exposure to, or assimilation into any organism, will cause adverse effects such as cancer, genetic mutations, and physiological manifestations, as defined in standards issued pursuant to Section 307 (a) of the Act. (91) "Toxic pollutants" means those substances referred to in Section 307 (a) of the Act as well as any other lmown potential substances capable of producing toxic effects. (92) "Treatment plant" (Se sewage treatment plant.) (93) "Unpolluted water" or "unpolluted liquid" means any water or liquid containing none of the following: free of emulsified grease or oil; acid or alkalides; substances that may impart taste, odor or color characteristics; toxic or poisonous substances in suspension, colloidal state or solution; odorous or otherwise obnoxious gases. It shall not contain more than 2,500 parts per million by weight of dissolved solids and no more than ten parts per million each of TSS or BOD. Analytical determinations shall be made in accordance with procedures set forth in Standard Methods as defined in subsection (83) hereof. (94) "Upset" or "operating upset" means an exceptional incident in which a discharger unintentionally and temporarily is in a state of noncompliance with the standards set forth in this Chapter hereto due to factors beyond the reasonable control of the discharger, and excluding noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventive maintenance or careless or improper operation thereof. (95) "User" means a person that discharges, causes or permits the discharge of wastewater into the sewerage system. (96) "User charge" means the fee imposed upon all users serviced by the sewage disposal works of the City in a total amount sufficient to pay the costs of operation and maintenance, including the costs of replacement of equipment in the wastewater disposal system. (97) "User class" means a group of users that discharges, causes or permits the discharge of wastewater with similar characteristics into the sewerage system. All users classified as commercial, governmental, industrial, institutional and residential users comprise, respectively, the commercial user class, governmental user class, industrial user class, institutional user class and residential user class. (98) "Volatile organic matter" means the material in the sewage solids transformed to gases or vapors when heated at 500 degree Centigrade for fifteen to twenty minutes. - 17 -