EN19 Releases of Ozone Depleting Substances

Calendar Year

2008

2009

2010

Number of Releases

2

3

5

Mass Released (in kg)

104

54

29

Mass Released (in CFC-11 equivalent kg)

141

3

2



Releases of Ozone depleting substances (ODS) are recorded in BC Hydro's Environmental Incident Reporting System. Releases include Bromotrifluoromethane (CBrF3) also know as Halon 1301, which is used in fire extinguishers and fire suppression systems and Chlorodifluoromethane (CHClF2) also known as HCFC-22 which is used in refrigeration and cooling systems, including building and vehicle air conditioners.