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EPA Requests Nominations for Ad Hoc Reviewers to Assist SACC in Reviewing Phthalate Documents, Will Hold Meeting in May 2023
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By Lynn L. Bergeson and Carla N. Hutton
The U.S. Environmental Protection Agency (EPA) announced on December 21, 2022, that it seeks public nominations of scientific and technical experts whom EPA can consider for service as ad hoc reviewers assisting the Science Advisory Committee on Chemicals (SACC) with the peer review of two draft documents entitled “Draft Proposed Principles of Cumulative Risk Assessment Under the Toxic Substances Control Act” and “Draft Proposed Approach for Cumulative Risk Assessment of High-Priority Phthalates and a Manufacturer Requested Phthalate Under the Toxic Substance Control Act.” 87 Fed. Reg. 78103. EPA states that it will submit the two draft documents to SACC and release them for public review and comment in late February 2023. EPA will solicit comments from SACC on issues related to chemical grouping for purposes of cumulative risk assessment (CRA), health outcomes related to phthalate syndrome, and possible approaches to developing the cumulative hazard and exposure assessment for high-priority phthalates and a manufacturer-requested phthalate. EPA also announced the scheduling of a four-day virtual public meeting for SACC to consider and review the two draft documents. EPA provides the following chronological listing of the dates for the specific activities:

  • January 20, 2023 -- Deadline for submitting all nominations to EPA;
  • April 24, 2023 -- Deadline for submitting a request for special accommodations to allow EPA time to process the request before the meeting; and
  • May 8 to 11, 2023, from 10:00 a.m. to approximately 5:30 p.m. (EDT) -- The public virtual meeting will be held via a webcast platform such as “” and audio teleconference, and you must register to receive the links.