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Re: [TCML] Dizziness and a headache



... and ozone is forming highly toxic and cancerogene organic peroxides in your lungs, which is 1000% more nasty, than nitric acid.


----- Original Message ----- From: "Yurtle Turtle" <yurtle_t@xxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Monday, June 09, 2014 11:35 AM
Subject: Re: [TCML] Dizziness and a headache


NOx turns into nitric acid when exposed to moisture like in your eyes, nose and lungs.



________________________________
From: Bert Hickman <bert@xxxxxxxxxxxxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Sunday, June 8, 2014 4:01 PM
Subject: Re: [TCML] Dizziness and a headache


Hi Jim,

It's not charged air. You were most likely feeling the symptoms of early
ozone poisoning. Small coils tend to generate larger quantities of
ozone, while larger (with hotter arcs and leaders) tend to produce more
nitrogen oxides (NOx). And, neither are particularly good for you.
Exposure to ozone can be even more hazardous for folks with lung
diseases or other breathing problems.

Ozone is sneaky stuff. Although small amounts feel can smell like "fresh
air", your sense of smell rapidly becomes less sensitive to it, and
concentrations can build to levels that can easily cause medical
symptoms with little warning. Ozone poisoning symptoms include eye, nose
and throat irritation, feeling lightheaded, headaches (mild at first,
then throbbing/painful migraine-like). Getting into an area with fresh
air will usually cause these symptoms to slowly go away over tens of
minutes to a few hours. Note that continued exposure can cause loss of
consciousness, your lungs filling with fluid and, ultimately, death.
There is evidence that some effects of ozone exposure may be cumulative.

Tesla Coils should be be operated with good ventilation or operated for
short times with several minutes between runs to permit any toxic gases
to dissipate. The half-life of ozone is about 2 minutes - it breaks down
into harmless oxygen, so after 8 minutes, it's down to about 6% of its
original level. However, many of the NOx gases can persist for
considerably longer, so ventilation is always strongly suggested when
operating coils for any extended periods. If this is not possible, you
will need to leave the area for your own safety.

Please review the safety sheet for coiling here:
http://www.pupman.com/safety.php

Bert

Jim wrote:
Hello,

My son and I displayed our small Tesla Coil (9,000-volt, 60mah NST) at
the NC Makers Fair yesterday. Everything went fine but our space was
limited. We, as well as the viewers were less than 10 - feet from the
coil as it was running. Also, After we ran it for about 30-seconds I
showed the viewers an up-close look at the coil and gave them a quick
tutorial. This required me to squat down. Everytime that I got up after
the tutorial I would experience dizziness. My son was complaining about
a headache for about 7 - hours during the Fair. Could the charged air
surrounding the coil have caused my dizziness and my son's headache?

Thanks for the good advice,
The day was a real success thanks to the helpful people on this forum.

Jim


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--
Bert Hickman
Stoneridge Engineering
http://www.capturedlightning.com
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