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Older gas cooking equipment often contains mercury flame sensors or automatic gas-shut-off valves.
Gas-electric and electric ranges contain fluorescent bulbs for backlighting; gas-electric ranges may also contain a flame switch, which acts like a flame sensor. Commercial electric ranges may also contain relays.
Some irons and space heaters may contain mercury safety switches that turn the product off when it is tilted.
Fact Sheet on Mercury in Cooking Ranges (pdf) from Interstate Mercury Education and Reduction Clearinghouse
Copyright © Washington State Department of Ecology. See http://www.ecy.wa.gov/copyright.html.
