EPA manages programs under the Toxic Substances Control Act (TSCA) and the Pollution Prevention Act (PPA) of 1990. EPA scientists are dedicated to developing ways to help produce safer chemicals and regulate harmful substances. 

• Substances and Toxics Reseach and Data
• Substances and Toxics Collections and Lists
• Toxics Tools
• Radiation Tools

Substances and Toxics Research and Data

• Nutrient Pollution Policy and Data
• Nanotechnology Research
• Chemical Safety Research
• Chemical Sustainable Solutions
• Chemical Exposure and Cumulative Risk
• Health and Chemical Safety
• Endocrine Disruptor Screening Program
• Computational Toxicology Research
• Corrosion, Scaling, and Metal Mobility Research
• Homeland Security Research

Substances and Toxics Collections and Lists

• Existing Chemicals
• Specific Chemical Factsheets
• Air Pollutants
• Drinking Water Contaminants
• Commonly Encountered Radionuclides

Toxics Tools

• Chemical Data Access Tool - Used to find health and safety information submitted to EPA under the Toxic Substances Control Act (TSCA).
• Chemical Safety Models, Databases and Tools
• ECOTOX - A database providing single chemical toxicity information for aquatic and terrestrial life.
• Integrated Risk Information System (IRIS)
• v-Embryo
• v-Liver
• ACToR - Online warehouse of all publicly available chemical toxicity data.

Radiation Tools

• Radioactive Source Reduction Management Alternative Technology Projects
• RADNET - A national network of monitoring stations that regularly collect air, precipitation, drinking water, and milk samples for analysis of radioactivity.