With the exception of coal combustion products, the waste or byproducts streams from our electric power generation, transmission and distribution businesses consist of small mass and volumetric quantity streams, and may include municipal solid wastes, construction and demolition debris, and hazardous and special byproducts such as PCBs, solvents, used oils, herbicides, fluorescent lighting, etc. Proper handling and management of these wastes and by-products is governed by the specific AES environmental standards, which represent industry best practices.