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Keeping your home and workplace mercury free is focus of new EGLE publication
July 16, 2025
Cindy Foster loves to go thrifting and often visits antique shops and other venues where treasures are waiting to be discovered.
As a Household Hazardous Waste (HHW) specialist at Kalamazoo County’s Household Hazardous Waste Center, however, she knows that some items contain mercury, which can be toxic to people and wildlife
She’s been on a mission to educate shop owners, flea market vendors and others about the dangers of mercury-containing items and to tell them that certain items – like thermometers and thermostats – are even banned from sale in Michigan.
The Michigan Department of Environment, Great Lakes, and Energy’s Materials Management Division heard from Foster about the problem and developed a new flyer that explains how people can keep their homes and workplaces mercury free.
Pictured: A mercury-containing thermometer found at an antique shop. Credit: Cindy Foster.
“After working 27 years at the Kalamazoo County HHW Center to help protect groundwater, families and wildlife from hazardous materials, it was distressing to find mercury devices at antique and resale shops on my days off,” Foster said. “I greatly appreciate the assistance from EGLE to publish and distribute this document to help reduce the likelihood of these items being sold.”
“Even very small amounts of mercury released into our surface waters are problematic, as mercury bioaccumulates in the food chain,” notes Kevin Cox, supervisor in the Water Toxics Unit in EGLE’s Water Resources Division. “Bioaccumulation of mercury in our fish not only results in limitations on how many fish you can safely eat but also can negatively impact the health of animals that rely on fish as a primary source of food such as bald eagles or herring gulls.”
Foster suggests people avoid purchasing items that contain mercury – even in antiques. “The risk to their health from exposure and contamination of their home far outweighs the ‘beauty’ of the antique item,” she said. “Antique and resale stores can also avoid selling any mercury devices. The cost of cleaning up a small spill that would inevitably get tracked throughout the store would be cost prohibitive.”
For more information, check out EGLE’s flyer on keeping your home and workplace mercury free.
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