iosid definition_title p-left keywords definition_alternativeforms 200783 ATAD   Autothermal Thermophilic Aerobic Digestion 305351 BOD   Biochemical Oxygen Demand 200768 FOG   Fats Oils and Grease 200782 MABR   Membrane Aerated Biofilm Reactor 308367 Metallurgy - The technique or science of working or heating metals so as to give them certain desired shapes or properties. The technique or science of making and compounding alloys. metallurgic 301439 PFAS   "Polyfluoroalkyl Substances" 307028 stormwater   "green infrastructure"