DEP sewer use regulations excerpt, Chapter 19

NYC-WTC 00 34432 CHAPTER 19—USE OF PUBLIC SEWERS §19-01 Regulator. "Regulator" shall mean a device or apparatus for controlling the quantity of combined sewage from a contributory area admitted to an inter- ceptor or interceptor collector. It is usually comprised of a regulator chamber, a diversion chamber and a tide gate chamber. Regulator chamber. "Regulator chamber" shall mean a structure and re- lated appurtenances, which limits the quantity of flow to an interceptor or interceptor-collector. Sanitary sewage. "Sanitary sewage" shall mean bodily wastes, wash water, culinary wastes, or similar matter, which is present in a sewer. Sanitary sewer. "Sanitary sewer" shall mean a sewer which conveys only sanitary or industrial sewage. Scavenger wastes. "Scavenger wastes" shall mean the sludge derived from sanitary wastewater discharged into cesspools, septic tanks or privies located within the City of New York. Sewage. "Sewage" shall mean and include, for purpose of these regulations, water and waterborne materials and substances of every kind and description which are present in a sewer, including but not limited to wastewater, human or animal wastes, industrial waste or other waste, or infiltration and inflow. Sewage treatment works, sewage treatment plant or water pollution control "Sewage treatment works," "sewage treatment plant" or "water pol- lution control plant" shall mean a City-owned facility for the treatment of Sewer. "Sewer" shall mean a pipe or conduit for carrying sewage. Sewer surcharge. "Sewer surcharge" shall mean a charge applied to prem- ises discharging wastewater, directly or indirectly, into a public sewer which contains BOD and/or SS in concentrations exceeding those specified in $19-01 "receivable industrial waste". Sewerage system or sewer system. "Sewerage system" or "sewer system" shall mean and include all sewers, including storm sewers, sanitary sewers, combined sewers and intercepting sewers and manholes, sewage pumping treatment and disposal works and any other plants, works or equipment and accessories within the City, which are used or useful in connection with the collection, treatment or disposal of sewage and waste, and which are owned, operated or maintained by the City as part of the public sewer system. Shall. "Shall" is mandatory. Shredded garbage. "Shredded garbage" shall mean garbage shredded to such a degree that all particles will be carried freely under flow conditions normally prevailing in public sewers, with no particle having a dimension greater than ½ inch in any direction. SS (denoting suspended solids). «SS" shall mean the laboratory determina- tion of the dry weight expressed in parts per million (ppm) or mg/L of solids that either float on the surface or are in suspension in sewage and can be §19-01 TITLE 15-DEPT. OF ENVIRONMENTAL PROTECTION pHt. "pH" shall mean the logarithm of the reciprocal of the hydrogen ion concentration. It indicates the intensity of acidity or alkalinity expressed in terms of pH scale running from 0 to 14. A pH value of 7.0, the midpoint of the scale, represents neutrality. Values above 7.0 indicate alkalinity and those below 7.0 acidity. Pollutants. "Pollutants" shall mean substances which may be present in sewage, industrial waste or other waste, whether gaseous, liquid or solid, the amount of which, shall be determined by the sum of the BOD and the SS present therein. Premises. "Premises" shall mean any parcel of real property including land, improvements or appurtenances, such as buildings. Pretreatment. "Pretreatment" shall mean any measures to be taken by a user of the public sewer which are necessary in order that the characteristics or amounts of substances discharged to a public sewer, either directly or indirectly, comply with $$19-03 or 19-04 of this chapter, including but not limited to the alteration of plant or processes, the installation of equipment and/or the implementation of procedures designed to reduce the discharge of pollutants and toxic substances so that compliance with $819-03 or 19-04 is attained. Private sewer. "Private sewer" shall mean a sewer located either in public or private property, which is privately owned and is controlled by public •authority to the extent provided by law. Public sewer. "Public sewer" shall mean a sewer which is owned by the City • of New York. Pumping station. "Pumping station" shall mean a structure in the sewerage system housing pumps and appurtenances to lift sewage from a lower to a higher level. Receivable industrial waste. "Receivable industrial waste" shall mean wastewater (not subject to the sewer surcharge) having all the following characteristics: BOD Chlorine Demand ss 2500 lbs. per million gallons (300 parts per million or 300mg/I) or less 208 Ibs. per million gallons (25 parts per million or 25 mg/L) or less 2916Ibs. per million gallons (350 parts per million ox 350 mg/L) or less Ether Soluble Material 417 lbs. per million gallons (50 parts per million or 50 mg/L) or less pH not less than 5.0 and not more than 9.5 The Commissioner hereby imposes the additional characteristics of: Oil and Grease 417 Ibs. per million gallons (50 mg/L) or less C 9/11 Public Portal Document