H.R. 2576, which passed the House on June 23, retains section 5 in its current form. S. 697, reported out of committee on April 28, would rewrite section 5. Once the Senate acts on TSCA reform, the process of reconciling the two bills will begin. How critical are the Senate’s new chemical provisions in enhancing TSCA’s public health protections? And how much weight they should receive in evaluating the strengths and weaknesses of the two bills?