Among the chemicals that are reported to the Toxics Release Inventory (TRI) Program, there are about 180 known or suspected carcinogens, which EPA refers to as OSHA carcinogens. This graph shows the trend in the pounds of OSHA carcinogens released to air.

From 2005 to 2015:

• Air releases of these carcinogens decreased by 46%.
• The long-term decreases in air releases of OSHA carcinogens were driven mainly by decreases in styrene air releases from the plastics and rubber and transportation equipment industries.

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This page was published in January 2017 and uses the 2015 TRI National Analysis dataset made public in TRI Explorer in October 2016.

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