title: Acid deposition, smelter emissions, and the linearity issue in the Western United States.
abstract: 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.
authors.forename: M
authors.initials: M
authors.lastname: Oppenheimer
authors.forename: C B
authors.initials: CB
authors.lastname: Epstein
authors.forename: R E
authors.initials: RE
authors.lastname: Yuhnke