FREE ACCESS CIS is available through November 30, 2000.
CIS is a collection of 20 databases about chemicals in the environment.
Search CIS for information about chemical toxicity, biodegradation,
environmental fate, chemical/physical properties, site assessment,
effects on wildlife & marine organisms, occupational safety &
health and much more.
CIS (Chemical Information System)
Summary by 李晓霞 on 2000-11-07
Last updated by 李晓霞 on 2000-11-07