TRI Toxic Release Inventory. A geographic information system which provides maps showing the release of toxic chemicals over a geographic area. Search by chemical name, chemical name fragment, and/or location (such as city, state, or zip code).
Date Coverage: 1987-
Search Guide: http://toxmap.nlm.nih.gov/toxmap/help/faq.jsp
Auto Alerts: http://libraryguides.missouri.edu/content.php?pid=92982&sid=1474506#toxmap