Mercury can be found in a variety of non-laboratory items such as fluorescent light bulbs, thermometers, older pressure gauges, plumbing traps, manometers, barometer, thermostats, capacitors, and ...

In May 2007, the mercury level was found to be 1,230 parts per trillion. The source of the mercury was traced to the laboratory drains where, over the years, several thermometers had broken.

Digital thermometers can go on the fritz in many subtle ways and require regular checking to make sure their sensitive parts still take readings accurately. For the most part, mercury thermometers ...