Read this if you plan to breathe this summer
Subtitle: advisory for those with asthma & breathing problems and for children, older adults, and people who work outdoors
Contributors: United States. Environmental Protection Agency. Region V
Publisher: U.S. Environmental Protection Agency, Region 5
Published: 1997
Place of publication: Chicago, IL (77 West Jackson Blvd., Chicago 60604)
Language: eng
Subjects: Atmospheric ozone -- Physiological effect
Other titles: Advisory for those with asthma & breathing problems ..
Notes: Shipping list no.: 97-0310-P

"May 1997."

"905-K-96-006."