HFO Refrigerants. HFO (hydrofluoro-olefin) refrigerants are the fourth generation of fluorine-based refrigerants. HFC refrigerants are composed of hydrogen, fluorine and carbon atoms connected by single bonds between the atoms.
Quarter means one year divided by 4 (quartering thâ¦e year) Some companies have fiscal year not calendar year quarters. In this case, find out what is their year end date. For example, if it's fiscal year end on May 31, the first Q starts June 1 to August 31, and so on.
month, or the first three days of the month (highlighted in yellow). â¢ April, May and October are months with particularly attractive dates at the end of the month since they are near the end of a leave period (highlighted in gray). â¢ The 2015 leave year will end on Jan. 9, 2016.