HHS-OASH-2026-0397-3415 https://www.regulations.gov/comment/HHS-OASH-2026-0397-3415 There has been a major increase and cluster of DIPG cases in Southeastern, Kentucky. It is a type of incurable brain cancer that is taking the lives of children in this area. It has been reported and requested that it be investigated. Aside from specifically DIPG, this area also has a very high rate of childhood cancers that is concerning for environmental exposures being the culprit.