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Mercury

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Mercury can damage human health because it is toxic to the nervous system—the brain and spinal cord—particularly the developing nervous system of a fetus or young child. Minnesota, with its many lakes is especially aware of this because one of the more serious ways people are exposed to mercury is through eating fish contaminated with mercury that was deposited in our lakes and streams. Learn more about the effects of mercury on our health and the environment.

Stay safe.

Take mercury to your county household hazardous waste facility.

Mercury can be found in some of the products we use—wiring devices and switches, thermometers, and fluorescent lights. Mercury can escape into the environment when these items are broken or thrown away. For information on what to do if you spill mercury, visit frequently asked questions about mercury. Mercury can also be released into the air from activities such as burning coal in power plants and processing taconite.

Keeping mercury out of Minnesota's environment

    Minnesota is working to keep mercury out of products, removing mercury before products are disposed of, and putting limits on the amount of mercury incinerators may release into the air. Through a stakeholder process, the Minnesota Pollution Control Agency has developed a plan to reduce mercury releases in Minnesota by 2025. This will have implications for many Minnesota businesses, which will need to reduce their mercury emissions. Find out more about the MPCA's efforts: Mercury research and reduction initiative.

    For more information, contact Rebecca Place, 651-757-2807.

    What can you do?

    Businesses

    Businesses can help keep mercury out of the environment in many of the same ways. Business operators should also be aware of these laws:

    What Minnesota is doing to keep mercury out of the environment

    • Minnesota was the first state to prohibit using mercury in dry-cell batteries.
    • The mercury from thermostats, thermometers, gauges, medical and scientific equipment, electrical devices, motor vehicles and household appliances must be removed for reuse or recycling before these products can be disposed of or scrapped.
    • Fluorescent lamps must be disposed of at special facilities licensed to recycle the mercury.
    • Certain toxic substances, including mercury, are prohibited in inks, dyes, pigments, paints or fungicides as well as in any packaging products.
    • MPCA permits limit the amount of mercury incinerators may release.

    Other states have also adopted many of these laws. The federal government has adopted several laws to prevent mercury releases as well, including banning using mercury as an agricultural fungicide and in latex paints.

    For more information

    MPCA rules and regulations

    Last modified on July 07, 2014 14:24

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