The EPA has designed a new call auction institution for trading allowances to emit sulfur dioxide. This paper reports twelve laboratory markets that evaluate the performance of this new institution relative to the more commonly observed uniform price call auction. We find Ž . Ž . that the uniform price call auction i is more efficient, ii induces more truthful revelation of Ž . Ž . underlying v...

The quality of drinking water is closely related to the health condition population. In order effectively assess heavy metal environment in Guizhou Province, this paper first analyzed distribution characteristics metals water, and then used environmental risk assessment model recommended by United States Environmental Protection Agency (US EPA) investigate analyze toxic hazardous substances Pro...

NOTICE This technical report does not necessarily represent final EPA decisions or positions. It is intended to present technical analysis of issues using data which are currently available. The purpose in the release of such reports is to facilitate the exchange of technical information and to inform the public of technical developments which may form the basis for a final EPA decision, positi...

Computational toxicology is the application of mathematical and computer models to help assess chemical hazards and risks to human health and the environment. Supported by advances in informatics, high-throughput screening (HTS) technologies, and systems biology, the U.S. Environmental Protection Agency EPA is developing robust and flexible computational tools that can be applied to the thousan...

Dear Sir or Madam: This request for the correction of information is submitted on behalf of the Wood Preservative Science Council (WPSC), under the Information Quality Actl and the implementing guidelines issued, respectively, by the Office of Management and Budget (OMB)2and the U.S. Environmental Protection Agency (EPA).3 The WPSC is a trade association of manufacturers of water borne wood pre...

The purpose of this study was to evaluate the public water contamination levels Winkler County, in West Texas. With scarcity becoming more prevalent arid climates like Texas, it is important ensure quality these areas. Dockum and Pecos Valley aquifers were analyzed for inorganic pollutants that could inhibit water. parameters such as copper, lead, arsenic, nitrate, chloride, chromium level repo...

Interest in decentralized approaches to environmental management has grown significantly in recent years. Along with the standard instruments of environmental policy—quantity, price, and technology regulations—a growing number of voluntaryand information-based approaches (VIBAs) to environmental management have emerged. These include more decentralized policies, programs, and market trends, suc...

ii EXECUTIVE SUMMARY Environmental regulations are notoriously difficult to assess. Both the unregulated environmental assault and the protective regulation involve complicated scientific and economic relationships that make it difficult for the regulator to determine the overall effects of any intervention. Benefit-cost analysis is one useful tool developed by economists to assess the overall ...