United States. Environmental Protection Agency. Office of Science and Technology

• A primer on using biological assessments to support water quality management
• Aquatic life ambient water quality criteria for ammonia - freshwater
• Aquatox release 2.2
• AQUATOX Release 3.1 installation guide
• BASINS
• Biological criteria
• Catalog of publications
• Consumption surveys for fish and shellfish
• Guidance for assessing chemical contaminant data for use in fish advisories
• Introduction to contaminated sediments
• Using stressor-response relationships to derive numeric nutrient criteria