12/07/2021
https://www.congress.gov...
"I am curious, in your studies looking at the sound science side of this, is it even attainable?"
"It is a reference out of Atmospheric Environment done by Mr. Emery back in 2011."
"Thank you, Mr. Chairman, I would also like to echo the comments earlier."
"The reason I reacted to 110 or 120 ppb is that is an extraordinarily high value."