Mercury thermostat

What it is

“Loose mercury ampoule” means an enclosed glass vessel that contains liquid mercury and has been removed intact from a mercury thermostat.

“Out-of-service mercury thermostat” means a mercury thermostat that is removed, replaced, or otherwise taken out of service.

Source: Illinois General Assembly

Its parts

Related pages

• Glossary: Mercury thermostat

  Its entry, and the guide's pages that use it.

Sources

1. Illinois General Assembly. Public Act 099-0122 (SB0679), amending the Illinois Mercury Thermostat Collection Act (415 ILCS 98).