HHS-OASH-2026-0397-5293 https://www.regulations.gov/comment/HHS-OASH-2026-0397-5293 Thank you for the opportunity to submit information regarding biological effects and potential health hazards of low-level, long-term exposure to radiofrequency radiation (RFR). I am uploading here a number of very brief, mostly graphical handouts. Each provides at a glance some useful information regarding RFR and its bioeffects.