Mechanical Engineering

Developed by the EPA to improve access to health and safety data on chemicals regulated under the Frank R. Lautenberg Chemical Safety for the 21st Century Act which amends the Toxic Substances Control Act (TSCA). It contains information EPA receives and develops about chemicals.

The NASA STI Repository (NTRS) provides access to aerospace-related citations, full-text online documents, images, and videos. The types of information included are: conference papers, journal articles, meeting papers, patents, research reports, images, movies, and technical videos – scientific and technical information (STI) created or funded by NASA.