They are air, calcium chloride brine, sodium chloride brine, alcohol, and similar nonfreezing solutions. The purpose of Class 2 refrigerants is to receive a reduction of temperature from Class 1 refrigerants and convey this lower temperature to the area to be air-conditioned.
Elections for the United States Senate will be held on November 8, 2016, with 34 of the 100 seats in the Senate being contested in regular elections whose winners will serve six-year terms from January 3, 2017 until January 3, 2023.
2016 Election Day Dates. A General Election is held in November of every even-numbered year. The Primary Election for nominating party nominees for the General Election is held 10 weeks before the General Election. Additionally, a Presidential Preference Primary Election is held in Presidential Election years. Special elections may be called at any time during the year. The election dates for 2016 are: Presidential Preference Primary Election: March 15, 2016.