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Science 30 August 1985:
Vol. 229. no. 4716, pp. 859 - 862
DOI: 10.1126/science.229.4716.859
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Articles

Acid Deposition, Smelter Emissions, and the Linearity Issue in the Western United States

MICHAEL OPPENHEIMER 1, CHARLES B. EPSTEIN 1, and ROBERT E. YUHNKE 2

1 Environmental Defense Fund, Inc., New York 10016
2 Environmental Defense Fund, Inc., Boulder, Colorado 80302

The variation in sulfur dioxide emissions from nonferrous metal smelters in the western United States over a 4-year period is compared with the variation in sulfate concentrations in precipitation in the Rocky Mountain states. The data support a linear relation between emissions and sulfate concentration. The geographic separation of emissions sources and precipitation monitors indicates a sulfur transport scale exceeding 1000 kilometers.

Submitted on January 7, 1985
Accepted on June 18, 1985


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
U.S., Mexico Pledge Smelter Controls.
M. SUN (1985)
Science 229, 949
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