California Watch is a project of the independent, nonprofit Center for Investigative Reporting in Berkeley and a media partner of The San Diego Union-Tribune. A broken light bulb could prove seriously ...

Once broken, a compact fluorescent light bulb continuously releases mercury vapor into the air for weeks to months, and the total amount can exceed safe human exposure levels in a poorly ventilated ...

Q: Given the toxicity of mercury, why in the world would light-bulb manufacturers have chosen to use this in the CFL light bulbs that replaced the incandescents? Soon after these new bulbs were ...

An ultraviolet (UV) LED in a surface-mount PLCC-2 package, the VLMU3100 by Vishay Intertechnology, serves as a solid-state replacement for mercury vapor lamps. Featuring a typical luminous intensity ...

Fluorescent lightbulbs use less energy than traditional incandescent bulbs, but many contain mercury, a neurotoxin that can accumulate in food sources and ultimately in our own tissues. Removing and ...

An investigation to find out how much mercury energy-saving lamps contain has been conducted. Seventy-five commercially available lamps were tested, with encouraging results -- as far as mercury ...

GLENWOOD SPRINGS – A five-year resident of the Roaring Fork Valley who sells lighting supplies recently had a bright idea, and is now taking on the challenge of recycling light bulbs and other devices ...

The safe handling, storage and proper disposal of any mercury-containing light bulbs is an important safety consideration for all persons who service these style of lighting fixtures. The University ...

New Rochelle, NY, July, 6, 2011—Once broken, a compact fluorescent light bulb continuously releases mercury vapor into the air for weeks to months, and the total amount can exceed safe human exposure ...

The safe handling, storage and proper disposal of any mercury containing light bulbs is an important safety consideration for all persons who service these style lighting fixtures. The University must ...

Even if you aren’t a tube aficionado, you can’t help but be mesmerized by the blue glow inside a mercury vapor rectifier when it operates. It looks less like early 20th century tech and more like ...