Pan American Group
International Ozone Association
P.O. Box 28873
Scottsdale, AZ 85255 USA
Tel:  1.480.529.3787
Fax: 1.480.522.3080
E-mail:   infO3zone@io3a.org


IOA European-African-Asian-Australian Group (EA3G)
www.ioa-ea3g.org
Phone +33 5 49 454 454 (France)
Fax +33 5 49 454 060
E-mail:   ioa@esip.univ-poitiers.fr

IOA Nippon Island Group (NIG)
www.j-ozone.org
Phone +3 3 583 5210 (Japan)
Fax +3 3 583 1461
E-mail:   joa@mrh.biglobe.ne.jp