Industry Group Seeks to End Use of Certain EPA Toxicity Values

Feb. 24, 2026, 8:45 PM UTC

The American Chemistry Council seeks to eliminate an EPA program that develops chemical toxicity values used by its regulatory offices and states.

“It’s time to eliminate IRIS once and for all,” said Chris Jahn, president and CEO of the American Chemistry Council (ACC), which represents US chemical manufacturers, on Monday during the council’s Global Chemical Regulations Conference.

IRIS refers to the Environmental Protection Agency’s Integrated Risk Information System. For decades, the program has examined industrial chemicals to determine what human health hazards they exhibit and the amount that could be harmful. EPA’s regulatory offices and state agencies then use ...

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