are strong candidate for halogen bonding since multiple halogen atoms are available.
The Commission, furthermore, specifies that the sale of metered dose inhalers containing chlorofluorocarbons
listed in Annex I of the decision is banned when the competent authority of one of these markets believes that the use of this type of inhaler destined for these markets is not essential.
On the other hand, some chlorofluorocarbons
inevitably drifted upward into the atmosphere and there they encountered the ozone layer.
Paints, wall coverings, and furniture were screened for toxic properties, and the carpets and insulation used were free of formaldehyde and chlorofluorocarbons
(CFCs) are greenhouse gases," said SDPI environmentalist Kashif Salik.
Theme for the current years International Day for the Preservation of Ozone Layer is HCFC (Hydro chlorofluorocarbons
) Phase-out: A Unique Opportunity.
Indeed, halons are thought to be three to ten times more ozone-unfriendly than chlorofluorocarbons
. For this reason the Montreal Protocol obliged developed nations to cease halon production in 1994, and set a 2010 target date for the developing world.
Poland may continue to use chlorofluorocarbons
(CFC) in existing military applications, the European Commission said on January 12 when waving through an exemption from EU legislation on ozone-depleting substances for the Polish navy.
A magnetic-cooling system could also be less polluting than current systems because it wouldn't use environmentally harmful chemicals, such as ammonia or chlorofluorocarbons
- the production levels for chlorofluorocarbons
11,12, 113, 114 and 115 that Phosphoric Fertilizers Industries is authorised to produce should be increased by 1,786 tonnes of CFC-11 and CFC-12 weighted according to the ozone-depleting potential, from January 1 to December 31, 2004;
Mostly human-made chemicals called chlorofluorocarbons