91-095 Ordinance - Laserfiche WebLink

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(20) "Composite sample" should contain a mini.mian of eight discrete samples taken at equal time intervals over the compositing period or proportional to the flow rate over the compositing period. More than the minimum number of discrete samples will be required where the wastewater loading is highly variable. (21) "Control manhole" means a structure which provides access to a building sewer. A control manhole may be used as an inspection chamber and may contain certain testing equipment. (22) "Cooling water" means the water discharge from any use such as air-conditioning, cooling or refrigeration, or during which the only constituent added to the water is heat. (23) "Daily discharge" means the discharge of a pollutant measured during a calendar day or any twenty-four hour period that reasonably represents the calendar for purposes of sampling. (24) "Easement" means an acquired legal right of the specific use of land owned by others. (25) "U.S. ~vironmental Protection Agency" or "EPA" means the United States Environmental Protection agency and may also be used, where appropriate, as a designation for the administrator or other duly authorized official of such agency. (26) "Ether-soluble matter" means oil and grease which is soluble in ether, as measured. in the laboratory procedure made in accordance with the method set forth in Standard Methods, as defined in subsection (83) hereof. (27) "Fecal coliform" means any number of organisms common to the intestinal tract of man and animals, whose presence in sanitary sewage is an indicator of pollution. (28) "Floatable oil" means oil, fat or grease in a physical state, such that it will separate by gravity from wastewater by treatment in an approved pretreatment facility. (29) "Garbage means the residue from the preparation and dispensing of food, and from the handling, storage and sale of produce. (30) "Government user" means any user discharging wastewater from premises utilized by public political units, including Federal, State, County and City units. (31) "Grab sample" means a sample which is taken from a waste stream on a one-time basis with no regard to the flow in the waste stream and without consideration of time. (32) "Grease and oil" means a group of substances including hydrocarbons, fatty acids, soaps, fats, waxes, oils or any other material that is extracted by a solvent from an acidified sample and that is not volatilized during the laboratory test procedures. Greases and oils are defined by the method of their determination in accordance with Standard Methods as explained in subsection (83) hereof. (33) "Grease and oil of animal and vegetable origin" means substances that are of a less readily biodegradable nature such as are discharged, by meatpacking, vegetable oil and fat industries, food processors, canneries and restaurants. (34) "Grease and oil of mineral origin" means substances that are less readily biodegradable then grease and oil of animal or vegetable origin, and are derived from a petroleum source. Such substances include machinery lubricating oils, gasoline station wastes, petroleum refinery wastes and storage depot wastes. - 11 -