Dive summary:

• The California Department of Toxic Substance Control unveiled proposed regulations requiring thermostat manufactures to collect at least 30% of mercury containing thermostats that become waste in California starting next year.
• From 2013 to 2017, thermostat manufacturers would face an increasing collection and recycling goal, topping out at a 75% in 2017.
• Despite a state law banning the sale of mercury thermostats in 2006 and a 2008 law banning them from landfills, there are still 5 to 10 million mercury thermostats in use in California.

From the article:

Manufacturers of thermostats that contain mercury would be required to collect and recycle over 65,000 thermostats in 2013, or 30% of the estimated number of mercury containing thermostats becoming waste, under proposed regulations in California.

The California Department of Toxic Substances Control unveiled the proposed regulations, which sets increasing recycling goals each year. ...