A highly toxic metal found in many commercial products, mercury is sometimes invisible to the user. Minnesota law prohibits disposal of mercury and mercury-containing products in the trash. For some businesses, additional requirements for managing mercury-containing wastes may apply (see Minnesota Statutes §115A.932 and §116.92).
Common Mercury-Containing Wastes from Businesses
- Auto hood and trunk switches
- Barometers and manometers
- Blood pressure equipment
- Dental amalgam
- Fluorescent lamps, including compact lamps
- Freezer door switches
- Gas-fired appliances with concealed pilots
- High Intensity Discharge (HID) lamps
- Laboratory chemicals & reagents
- Neon signs
- Pressure, level, position or temperature control switches
- Relays controlling high current loads
- "Silent" wall switches
- Thermometers
- Thermostats
- Turf pesticides
Consider an Alternative
Mercury-free alternative products are available. Before purchasing products that usually contain mercury, ask the manufacturer or retailer for mercury-free alternatives.Resources & Links
Success Stories
Saying No To Mercury Virtually eliminating mercury from its facilities was the best way for Park Nicollet Health Services to avoid employee, patient and environmental exposure to this neurotoxin. Avoiding exposure to mercury helps Park Nicollet further its mission to support health and healing.To accomplish mercury elimination by 2005, Park Nicollet educated employees about mercury hazards and using alternative, mercury-free products. On track for 2005, it has eliminated 75 percent of the mercury from its facilities. Author: Minnesota Technical Assistance Program (Mn TAP)
Disposal Information
Businesses that recycle used products containing elemental mercury
(such as thermometers, switches, and fluorescent bulbs) are exempt from
most hazardous waste regulations. However, mercury compounds and waste
contaminated with mercury (for example, spill skits) must be handled
according to the full hazardous waste regulations.
For more information on how to manage mercury wastes, call your county environmental office or the Minnesota Pollution Control Agency (MPCA) at (651) 296-6300.
Mercury Recycling Facilities
The following businesses recycle mercury and mercury-containing wastes. Call first for specific wastes accepted. Ask how the business manages waste materials, and request documentation.


