Missouri regulations: Mixed waste
Whenever non-hazardous solid waste has been mixed with or contaminated by a hazardous waste or substance, the mixture is usually considered hazardous and is subject to hazardous waste regulations. Examples of mixed/contaminated wastes include used engine coolant, and paint booth filters and solvent contaminated rags.
Universal wastes are specific hazardous wastes that are widespread, commonly found in medium to large volumes, and are either a low-level hazard or easy to manage. Universal wastes in Missouri include rechargeable and lead-acid batteries, mercury containing thermostats and switches, fluorescent bulbs (PDF) and pesticides. The universal waste rule eases the regulatory burden on businesses by streamlining administrative, storage and transportation requirements. Visit for more information on universal wastes.
All businesses, non-profits, schools and public agencies in Missouri are required by law to properly manage certain discarded electronics. Electronics that contain lead, chromium, cadmium, mercury, beryllium, nickel, zinc and brominated flame retardants may be classified as hazardous waste and cannot legally be disposed in the trash. Reuse or recycling through a registered e-cycle Missouri recycler will help ensure that your facility complies with the law.
For more information, go to e-cycle Missouri or contact the Missouri Department of Natural Resources, Hazardous Waste Program.
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