HHS-OASH-2026-0397-1161
https://www.regulations.gov/comment/HHS-OASH-2026-0397-1161

It's possible that holding my cell phone too close to my left ear has slightly degraded my hearing in that ear. I've attached two hearing tests that demonstrate slight degradation of my hearing in my left. 
Being right-handed it is typical for me to hold my cell phone in my left hand. While I am aware that it is recommended cell phone users hold their phones away from their ears, I'm sure I haven't always done that perfectly. Certainly, the use of the speaker phone function and laws that require the use of hands-free technology are useful in this regard.