It also includes microbiology laboratory waste, human blood and body fluid waste, and waste sharps that have not been disinfected or decontaminated. Wastes that are household in origin, or that are generated in the food production, general building maintenance and office administration activities of those facilities to which this definition applies are not considered to be biomedical or hospital waste but rather to be non-hazardous solid waste. Hazardous waste incinerators must be licensed by the responsible jurisdiction. Hazardous waste incinerated in a mobile incinerator temporarily located at your facility must be included as part of this activity. Sludge means a semi-liquid mass removed from a liquid flow of wastes.
Sewage sludge means sludge from a facility treating wastewater from a sanitary sewer system.
This activity does not include smelting of aluminum or any other metals. In an electric arc furnace, material is heated by the heat energy released from an electric arc. The electric arc is a component of an electric circuit, like a resistor, but with its own peculiar characteristics. Manufacturing of portland cement Portland cement is a fine greyish powder consisting of four basic materials lime, silica, alumina and iron compounds. The cement clinker is further ground into a fine powder, then mixed with gypsum to form portland cement.