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Interactive Map: The 101 Most Dangerous Chemical Facilities

101 Most Dangerous Chemical Facilities Can Convert to Safer, More Secure Alternatives

This map shows the locations of the nation’s 101 most dangerous chemical facilities, each of which threatens some 1 million or more people. The vast majority of these facilities could convert to safer, more secure chemicals or processes.

Click on an icon to see the facility name, the process it currently uses, and potential alternatives it could adopt. In a number of cities, multiple facilities are located very close to each other. Zoom in on the map to view these facilities.


Most of the nation’s 101 most dangerous chemical facilities could become less attractive terrorist targets by converting to alternative chemicals or processes. Doing so would improve the safety and security of the more than 80 million Americans who are living within range of a worst-case toxic gas release from one of these facilities, according to data compiled by Paul Orum and Reece Rushing in the report "Chemical Security 101: What You Don’t Have Can’t Leak, or Be Blown Up by Terrorists."