After a decade of deliberations and review of more than 1,700 new studies, the U.S. Environmental Protection Agency (EPA) announced the new primary standard for ground-level ozone in March 2008. The new standard, 75 ppb, is being assailed from all sides
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/ozone-nation-epa-standard-panned-people
[2] http://admin.indiaenvironmentportal.org.in/category/author/bob-weinhold
[3] http://admin.indiaenvironmentportal.org.in/category/journal/environmental-health-perspectives
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-management
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-standards
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us