HHS-OASH-2026-0397-4327 https://www.regulations.gov/comment/HHS-OASH-2026-0397-4327 Please accept the attached comment and supporting evidence library in response to HHS-OASH-2026-0397. The Word document contains my recommendations and cited references. The Excel workbook provides additional sources, findings and limitations for further review. Thank you for considering these materials.