Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-18T05:48:04Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 3 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ChemIDplus 2012-12-21T05:00:00Z

ChemIDplus is a free, web-based search system that provides access to structure and nomenclature authority files used for the identification of chemical substances cited in ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]cdc_niosh_RTECS 2012-12-21T05:00:00Z

The Registry of Toxic Effects on Chemical Substances (RTECS) is a comprehensive database of basic toxicity information for over 100,000 chemical substances including: prescription and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]EPA0169 -125.0,23.0,-65.0,50.0 1980-01-01T00:00:00Z T00:00:00Z 2012-10-17T04:00:00Z

The "Resource Conservation and Recovery Information System (RCRIS)" database has been compiled by state and federal environmental agencies under the direction of the U.S. Environmental Protection ...