From: Sandy King (sanking@clemson.edu)
Date: 07/15/02-09:56:34 AM Z
John,
Are there really two kinds of ozone? Or is is not just that it is
called good when it is high up in the atmosphere, and bad when it is
in a confined space where we have to breath it?
Sandy King
>To my understanding there are good and bad Ozone which effect humans...
>
>
>Ozone can be good or bad for humans depending where it is made.
>
>Bad Ozone : O3 that is produced at ground level especially in
>confined areas that humans can breath...
>Good Ozone:
> Good Ozone that is created and located in the upper atmosphere
>which absorbs UV radiation from the sun. I think we are in
>serious trouble up there...The last map I had looked at, the Ozone
>depletion hole in winter , was the size of Europe over the South
>Pole. ........... I believe we have not even seen the beginning of
>things yet as it takes 20 to 30 years for expelled refrigerant
>gases to reach the upper atmosphere which they believe is causing a
>significant part of the Ozone depletion problem.........Dumping the
>refrigerant charge to atmosphere when replacing any Air
>Conditioning unit used to be common practice prior to litigation
>in the 1990's........................ In the 1980's I had worked
>in Heating and Air-conditioning for a few years and I was probably
>personally responsible for dumping hundreds and hundreds of pounds
>of the stuff prior to finding out what it was causing.... Every Air
>Conditioning Mechanic in the US did the same thing , blow the charge
>and make a little spending money in scrapping the Copper and
>Allooneyum coils , then add this to the Automobile and industrial
>pollutants....
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