The American Chemical Society is a congressionally chartered independent membership organization which represents professionals at all degree levels and in all fields of chemistry and sciences that involve chemistry.
You can search for data on specific compounds in the Chemistry WebBook based on name, chemical formula, CAS registry number, molecular weight, chemical structure, or selected ion energetics and spectral properties.
This site is EPA’s premier site for accessing EPA publications through the National Service Center for Environmental Publications (NSCEP), and EPA’s digital publications are stored in the National Environmental Publications Publications Internet Site.
NRL is the corporate research laboratory for the Navy and Marine Corps and conducts a broad program of scientific research, technology and advanced development. Click on search, then organizational listing to explore the various labs within NRL.