- Lamps from businesses by regulation
- Mercury switch thermostats
- Required; rules vary with regard to product, package, or product inserts; exemptions for medical equipment. Lamp wholesalers must provide information on spent lamp management
- Products with greater than: 1 gram of Hg as of July 1, 2004 100 mg as of July 1, 2006 NOTE: Exempts mercury –containing lamps used for backlighting that cannot feasibly by removed; specialized lighting used in the entertainment industry such as metal halide lights; high intensity discharge lamps containing more than one hundred milligrams of mercury, but less than one gram of mercury, including, but not limited to, metal halide lamps, mercury vapor lamps, mercury capillary lamps, mercury-xenon short-arc lamps and mercury short-arc lamps; and (3) on and after July 1, 2013, high intensity discharge lamps containing more than one hundred milligrams of mercury, but less than one gram of mercury, including, but not limited to, metal halide lamps, mercury vapor lamps, mercury capillary lamps, mercury-xenon short-arc lamps and mercury short-arc lamps.
- Mercury-added button cell batteries as of July 1, 2011. Silver oxide batteries and products containing silver oxide batteries may be sold until July 1, 2012. A mercury-added silver oxide battery that is used exclusively in a medical device to automatically deliver insulin to a person may be sold until January 1, 2015;
- Thermometers except those with battery and
- Novelty except those with removable battery
- Mercury switch thermostats - Not later than April 1, 2013, each manufacturer shall, individually or collectively, establish a mercury thermostat collection and recycling program to collect, transport and properly manage any out-of-service mercury thermostat received at any participating collection site in this state;. Manufacturers that fail to do so by July 1, 2014 are thereafter prohibited from selling any thermostat in CT.
- Collection required for other mercury products with exceptions for backlit products, lamps that have a package label referring to a website and 800 number, and any other product for which the Commissioner determines collection is not feasible. Exemption also for button cell batteries.
- For all mercury-containing products.