mercury switch


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mercury switch

A switch on an assistive technology device that, when tilted, allows a drop of liquid mercury to flow to its contact, closing the switch.
See also: switch
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According to the EPA, together with existing state mercury switch recovery efforts, this program will significantly reduce mercury air emissions from the furnaces used in steel making, the fourth leading source in the United States after coal-fired utility boilers, industrial boilers and gold mining.
More information about the National Vehicle Mercury Switch Recovery Program and other ongoing mercury reduction efforts can be found on EPA's mercury management site at http://www.
The program under discussion is focused on purchase specifications in two main categories: 1) restricted metallic scrap would contain no auto shred, oil filters, oily turnings, lead Components, mercury switches, chlorinated plastics, or free organic liquids; and 2) general scrap, which can contain auto shred, but must be depleted of organics and HAP metals, must address mercury though specifications or certification that the scrap dealer participates in new EPA mercury switch removal program.