The content and views expressed in these publications do not necessarily reflect the views or policies of the contributory experts and organizations, the Ozone Secretariat, the United Nations Environment Programme or the United Nations and neither do they imply any endorsement.

The designations employed and presentation of material in these publications do not imply the expression of any opinion whatsoever on the part of any of the above mentioned entities concerning the legal status of any country, territory, or city or its authorities, or concerning the delimitation of its frontiers and boundaries.

Mention of a non-profit organisation or commercial company or product in this publication does not imply endorsement by the Ozone Secretariat, UNEP or the United Nations.