HHS-OASH-2026-0397-6105
https://www.regulations.gov/comment/HHS-OASH-2026-0397-6105

I submit this comment as a 27-year-old resident of France who has experienced localized physiological and neurological symptoms associated with ambient and near-field electromagnetic environments since early 2021. My experience highlights the importance of assessing whether current regulatory standards adequately address real-world exposure conditions and individual sensitivities.

Firstly of all, current testing protocols often assess wireless devices under controlled conditions that may not fully reflect simultaneous use of GPS, cellular data, and Wi-Fi. Such multi-radio activity can affect device power consumption, heat generation, and exposure levels. I therefore encourage the Commission to evaluate simultaneous transmissions in realistic operating and handling conditions when reviewing Specific Absorption Rate (SAR) and power-density standards. Relevant industry developments, including U.S. Patent No. US20120231784A1, illustrate the technical challenges of managing emissions in multi-radio systems.

Secondly, exposure assessments should also consider the broader environmental context. Atmospheric electricity, temperature, low-frequency fields, and device-generated noise may coexist in everyday settings. Although their combined physiological effects require further investigation, I encourage the Commission to support research into potential interactions between environmental factors and neurological responses, including symptoms reported by sensitive individuals.

Thirdly, metal enclosures such as trains, subways, elevators, and vehicle cabins can affect signal reception and prompt mobile devices to adjust transmission power. These changing conditions may produce exposure patterns not adequately represented by averaged outdoor measurements. Testing should therefore include realistic indoor and enclosed transport environments, transient transmission peaks, and common device-use positions.

Furthermore, building materials, architectural design, and local topography can also influence radiofrequency distribution. Masonry may attenuate signals, while windows, upper floors, and reflections from nearby structures can create variations in indoor exposure. I encourage the FCC to collaborate with architects, engineers, and materials scientists to investigate shielding materials, develop standardized testing methods, and assess practical measures to reduce indoor exposure where appropriate.

Finally, disabling wireless interfaces and using wired connections may reduce radiofrequency emissions, but electronic devices continue to generate low-frequency electromagnetic fields, heat, and other electrical emissions. I therefore recommend that regulatory bodies assess these sources alongside radiofrequency emissions, including during close-proximity use of battery-powered and mains-powered electronics.

In conclusion, I respectfully encourage regulatory authorities to review existing safety standards in light of realistic device operation, changing environmental conditions, building characteristics, and emissions across different frequency ranges. Further independent research and appropriately precautionary safety margins could help clarify potential non-thermal effects and improve protection for the general public, including individuals reporting heightened sensitivities.