On Jan. 2, 2020, EPA announced the availability of its revised document, “‘TSCA New Chemical Determinations: A Working Approach for Making Determinations under TSCA Section 5.’’ The initial version of this document was published in 2017, where EPA also sought public feedback. In response, EPA intends to clarify and provide additional details on its approaches and practices related to the review of new chemicals under the Toxic Substance Control Act (TSCA) in its updates to the document.