EPA’s 1,3-Butadiene Supplement Finds Reduced Cancer Risks Near Facilities

The Trump EPA is releasing what it is calling a “supplement” to the draft 1,3-butadiene TSCA risk evaluation that the Biden EPA released in December, with the new analysis finding significantly reduced cancer risks for those living near the nine 1,3-butadiene-emitting facilities deemed to present the highest risk in the draft’s earlier calculations. While it is not clear how the new administration will incorporate the reduced risk finding into the Biden-era evaluation, it opens the door to a weaker risk...