An air quality data analysis system for interrelating effects, standards and needed source reductions: Part 11. A lognormal model relating human lung function decrease to O sub 3 exposure

Journal Article · Mon Apr 01 00:00:00 EST 1991 · Journal of the Air and Waste Management Association; (United States)

DOI:https://doi.org/10.1080/10473289.1991.10466858· OSTI ID:6051503

Larsen, R I; McDonnell, W F; Horstman, D H ^[1]

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1. Environmental Protection Agency, Research Triangle Park, NC (United States)

Forced expiratory volume in 1 second (FEV1) was measured in 121 men exercising while exposed to four O{sub 3} concentrations (0.0, 0.08, 0.10, and 0.12 ppm). A lognormal multiple linear regression model was fitted to their mean FEV1 measurements to predict REV1 percent decrease as a function of O{sub 3} concentration and exposure duration. The exercise level used was probably comparable to heavy manual labor. The longest O{sub 3} exposure studies was 6 h. Extrapolating cautiously to an 8-h workday of heavy manual labor, the model predicts that O{sub 3} concentrations of 0.08, 0.10, and 0.12 ppm would decrease FEV1 by 9, 15, and 20 percent, respectively.

• OSTI ID: 6051503
• Journal Information: Journal of the Air and Waste Management Association; (United States), Vol. 41:4; ISSN 1047-3289
• Country of Publication: United States
• Language: English

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