Local Licenses and Permits: Your local licensing requirements can and will vary. Some examples of these variations are the following: You may need a zoning compliance permit before you can open for business. Make sure the space you own or lease is properly zoned for the specific type of business you select.
Chemical reference number (CAS): 56-23-5. Carbon tetrachloride (Carbon tet) is a non-flammable colorless liquid with a heavy, sweet odor. Before 1970, carbon tet was widely used as a cleaning fluid in home and industry. Until 1986, the chemical was used as a grain fumigant.Carbon tet is still used to manufacture propellants and other industrial chemicals.arbon tetrachloride (Carbon tet) is a non-flammable colorless liquid with a heavy, sweet odor.
carbon monoxide (CO) Colorless, odorless, combustible, and lethal gas produced by incomplete combustion of fossil fuels (coal, natural gas, petroleum), biomass, and carbon containing products (such as wood). CO is a hematopoietic agent because hemoglobin in blood can absorb it 200 times more than oxygen.