This Standard establishes requirements for FOG (Fats, Oils, and Greases) disposal systems. FOG disposal systems shall be designed to (a) remove FOG from effluent; (b) retain separated FOG; (c) internally dispose retained FOG by means and methods of mass and volume reduction as required by para. 4.3.2.; The use of alternate materials or methods are permitted, provided the proposed material and method complies with the performance requirements and intent of this Standard.