Introduction As a result of growing public concern and uncertainty about potential effects from acid deposition on the resources of Wyoming, Governor Ed Herschler appointed an Acid Rain Coordinating Committee to provide cohesion and direction for the State's research, regulation, and policy-forming efforts on issues related to acid depositions. Appointed to the Committee in May, 1985, were Mr. David B. Park, from the Wyoming Environmental Quality Council; Mr. Robert Wallick, from the Wyoming Industrial Siting Council; Ms. Bonnie Pendleton, from the Wyoming Air Quality Advisory Board; Dr. Jim Barlow, a member of the Wyoming House of Representatives; and Dr. Ron Surdam, from the University of Wyoming. Mr. Randy Wood, Director of the Wyoming Department of Environmental Quality, served as Executive Secretary for the Committee.
Testimony from twenty-two expert witnesses and discussions at nine public meetings provided an understanding and perspective for both the Committee and the public at large on acid deposition issues they relate to Wyoming. To help direct State involvement in acid deposition research, the Committee, using results from these meetings, was to evaluate existing research projects in the State and identify research needs, goals, and priorities for the State. In particular, Federal research efforts in the state were to be evaluated to promote coordination with State efforts and to encourage additional Federal involvement where appropriate. Then, the Committee was to prepare a report containing their recommendations on appropriate actions, priorities, policies, and positions for Wyoming. Finally, a reference document was to be produced supporting all of the Committee's recommendations on the acid deposition issues. The Committee's report was issued in April, 1987.
Currently, scientists are uncertain how patterns for atmospheric depositions are changing in space and time, and the extent of their actual or potential effects in Wyoming, in the rest of North America, and in Europe. Intense concerns about the potential effects due to acid depositions have led to extensive ongoing scientific research and widespread public speculation. In the end, scientists can only offer guidance on the likely consequences of altering regulatory standards for atmospheric emissions. But, by their nature, alterations to regulations are political decisions, often motivated by an informed public. This document, the Committee's report, and the supporting materials provide a basis to better understand issues related to atmospheric depositions and their potential effects in Wyoming.
The following sections summarizes testimony heard by the Committee and indexes materials compiled by the Committee in support of their April 1987 report. Testimony provided by the experts to the Committee is highlighted in Section 2; and an appendix at the end of this section presents an overview of current scientific knowledge on acid depositions and its actual or potential effects. Section 3 summarizes discussions occurring at each of the nine public meetings, and then Section 4 presents more detailed summaries from the testimonies and comments provided by the twenty-two expert witnesses. Section 5 contains the bibliography of material compiled by the Committee. Finally, a general index to these materials is provided in Section 6. This index catalogs the Committee materials by scientific subject, providing a reference index appropriate for identifying all materials on a given topic that were compiled by the Committee.
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