The Environmental Protection Agency (EPA) first created BASINS (Better Assessment Science Integrating Point and Nonpoint Sources) in 1996 as an aid to water resource planners concerned with water quality and watershed analyses. The strength of BASINS is its integration of "a geographic information system (GIS), national watershed data, and state-of-the-art environmental assessment and modeling...

This site is designed to provide the public with information about the projects being carried out by EAD. A division of Argonne National Laboratory, the EAD assesses impacts to the environment and human health and safety resulting from human actions. Scientists and engineers make up the four groups of EAD: Risk Assessment and Safety Evaluation, Ecological and Natural Resource Systems,...

The Environmental Protection Agency provides online access to the Report of the Workshop on Selecting Input Distributions for Probabilistic Assessments. This report highlights the main points discussed at an EPA workshop held in April 1998 by the Eastern Research Group. The goal of the workshop and report was to "assist EPA in developing a framework and guidance for selecting input distributions...

This new Environmental Protection Agency site helps all interested "stakeholders," from risk professionals to the general public evaluate the risks posed by hazardous waste sites. The site is organized into several sections, each aimed at users with a different level of knowledge. The Human Health and Ecological sections offer information for both professionals and the general public on assessing...