404 14TH ST BASE FILE 2024-12-09

AA. General Permit. At the discretion of the Director, groups of users may be regulated under general control mechanisms if the following conditions are met. All of the facilities to be covered must: (1) Involve the same or substantially similar types of operations; (2) Discharge the same types of wastes; (3) Require the same effluent limitations; (4) Require the same or similar monitoring; and (5) In the opinion of the POTW, are more appropriately controlled under a general control mechanism than under individual control mechanisms. AB. Grab Sample. A sample which is taken from a wastestream on a one-time basis without regard to the flow in the wastestream and without consideration of time. AC. Grease Interceptor. An interceptor of at least 750 gallon capacity to serve one or more fixtures and which shall be remotely located. AD. Grease Trap. A device designed to retain grease from one to a maximum of four fixtures. AE. High Strength Waste. Any waters or wastewater having a concentration of BOD or Total Suspended Solids in excess of 250 mg/L, or having a concentration of Fats, Oil and Grease in excess of 50 mg/L. AF. Indirect Discharge or Discharge. The introduction of pollutants into the POTW from any non-domestic source regulated under Section 307(b), (c), or (d) of the Act. The discharge into the POTW is normally by means of pipes, conduits, pumping stations, force mains, constructed drainage ditches, surface water intercepting ditches, and all constructed devices and appliances appurtenant thereto. AG. Industrial User. An Industrial User is any discharger of Industrial Waste that meets the definition of a Significant Industrial User. Industrial Waste. Industrial waste means any and all liquid or water borne waste from industrial or commercial processes, except domestic sewage. AH. Interceptor. An interceptor is a device designed and installed so as to separate and retain deleterious or undesirable matter from normal wastes and permit normal liquid wastes to discharge by gravity. AI. Interference. A discharge which alone or in conjunction with a discharge or discharges from other sources, either: (1) inhibits or disrupts the POTW, its treatment processes or 6