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.
See also: Washington State Senate elections, 2016. Elections for the office of Washington State Senate will take place in 2016. The primary election was held on August 2, 2016, and the general election will be held on November 8, 2016. The candidate filing deadline was May 20, 2016.