Dear Dean:
On Friday, October 9, 2020 at 4:46:43 AM UTC-7, Dean wrote:
...
Post by DeanI am well acquainted with ozone in my workplace.
We use UV lamps to cure coatings and inks. The
lamps are very good at generating ozone as a
byproduct. Every now and then, the exhaust
ducting would fail and operators would begin to
complain about headaches, eye irritation and
itchiness.
The last two symptoms are probably NOx, more than ozone...
Post by DeanOne trip to the affected area tells me immediately
what the problem is. We've measured levels from
0.08 (max recommended over 8 hours) to 1.5 ppm (nasty).
... yes, it is amazing that your nose can "get used to" fairly high levels, and not send out a warning.
Post by DeanShutting down the lamps and getting maintenance
to fix the exhaust is an easy solution.
Yes, I make ozone into water equipment, I just did not want to act like it was safe to breathe.
Not trying to claim you did not know what you were talking about. Just nice to discuss actual "chemistry" here for a change.
David A. Smith