Ozone is a gas that occurs both in the Earth's upper atmosphere and at ground level. Ozone can be "good" or "bad" for people's health and for the environment, depending on its location in the atmosphere. For an overview of both ozone issues, see Good Up High, Bad Nearby.
www.epa.gov/ozone/ www.epa.gov/ozone/
Special Report on Safeguarding the Ozone Layer and the Global Climate System: Issues Related to Hydrofluorocarbons and Perfluorocarbons, Special Report of the Intergovernmental Panel on Climate Change, Cambridge, England, 2005. ... Class II Substances...
www.epa.gov/ozone/science/ods/classone.html www.epa.gov/ozone/science/ods/classone.html
About one-third of the demand for the primary ozone depleting substances(ODS) has been eliminated through conservation.  Another one-third has been replaced by changes to ozone friendly technologies.  The remaining one-third, largely in air conditioning, refrigeration, and rigid foam blowing, is being transferred...
www.ene.gov.on.ca/envision/Ozone/home.htm www.ene.gov.on.ca/envision/Ozone/home.htm
The Montreal Protocol on Substances that Deplete the Ozone Layer ... (i) Adjustments to the ozone depleting potentials specified in Annex A, Annex B, Annex C and/or Annex E should be made and, if so, what the adjustments should be; and...
www.unep.org/ozone/Montreal-Protocol/Montreal-Protocol2... www.unep.org/ozone/Montreal-Protocol/Montreal-Protocol2000.shtml
This National Research Council book commends the assessment's authoring team for comprehensively covering the scientific basis of ozone and ozone-depleting substances, but recommends several ways that the assessment could be improved.
www.nap.edu/catalog.php?record_id=12076
What are ozone-depleting substances (ODS) and F-gases? ODS include CFCs and HCFCs used in aerosols, foam, air-conditioning and fridges. ... This guidance is for businesses that use or handle ozone-depleting substances (ODS) and fluorinated gases (F-gases). Both are tightly regulated and have restrictions on their...
www.netregs.gov.uk/netregs/63167.aspx
The Antarctic ozone hole is a dramatic thinning of ozone in the stratosphere over Antarctica each spring. This damage is due not only to the availability of ozone-depleting substances in the stratosphere, but also specific meteorological conditions that facilitate the destruction of ozone over Antarctica.
www.environment.gov.au/atmosphere/ozone/index.html www.environment.gov.au/atmosphere/ozone/index.html
National Action Plan; for the Environmental Control of Ozone-Depleting; Substances (ODS) and their Halocarbon Alternatives; May 2001 Update; Prepared by the; Federal Provincial Working Group on Ozone-Depleting Substances and Halocarbon Alternatives;
www.ccme.ca/assets/pdf/nap_update_e.pdf
Last revision date: 22 January 200 ... Import and Export >> Non -Textiles (Other Than Strategic Commodities) >> Ozone Depleting Substances ... Conditions for Participation in Import and Export...
www.tid.gov.hk/english/import_export/nontextiles/nt_ozo... www.tid.gov.hk/english/import_export/nontextiles/nt_ozone/nt_ozone.html
Select the years and annex group substances from the appropriate boxes above. ... United Nations Environment Programme; Ozone Secretariat...
ozone.unep.org/Data_Access/ ozone.unep.org/Data_Access/