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. 2021 Mar 31;16(3):e0248258. doi: 10.1371/journal.pone.0248258

Fig 1. Timeline of U.S. Environmental Protection Agency (EPA) action on formaldehyde from September 1990-December 2016, highlighting Integration Risk Information System (IRIS) final assessments releases, reassessments, internal and external reviews, and final rules issued.

Fig 1