SYMPOSIA PAPER Published: 01 January 1978
STP36604S

Impact of Stratospheric Ozone on Tropospheric Concentrations

Source

Estimates of the natural background levels of stratospheric ozone (O3) in the lower troposphere are made using both stratospheric mass-balance calculations and radioactive fallout data. There is excellent agreement between both approaches, suggesting that there is a natural background of O3 of approximately 20 percent of the federal 1-h max value (the concentration not to be exceeded for longer than 1 h) or roughly 30 μ/g. The maximum stratospheric O3 concentrations in the lower troposphere on occasion can approach, and even exceed, this federal guideline value.

Author Information

Reiter, ER
Colorado State University, Fort Collins, Colo.
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Details
Developed by Committee: D22
Pages: 506–519
DOI: 10.1520/STP36604S
ISBN-EB: 978-0-8031-4723-2
ISBN-13: 978-0-8031-0275-0