Ozone is nasty, corrosive stuff. I've seen what it does
after only 30 days in a home water purification system.
You could try one of the suppliers
Scott Batiste, Pres
Ionics Ultrapure Water Corp
5900 Silver Creek Valley Rd
San Jose, CA
408 360 5900
formerly Ionics Fidelity Purewater
They probably know the standard.
Sorry, don't know their website or email address.
- Robert -
On Thu, 29 Jan 2004 19:18:45 +0000
John Woodgate <j...@jmwa.demon.co.uk> wrote:
>
> I read in !emc-pstc that jules <ju...@hursley-emc.co.uk>
> wrote (in
> <2B924D0A9291D511B59300D0B7208EA811E4F7@HEMC01>) about
> 'Ozone testing'
> on Thu, 29 Jan 2004:
> > We have a customer generating ozone via corona
> discharge, for water
> >purification. I am trying to find info on levels and
> limits, and test
> >standards. I admit this is a bit off the mark for the
> group, but hope
> >someone can advise. So far I have found the HSE doc EH38
> & ISO 13964,
> >but I cannot find a lab in the UK able to test limits,
> lots of equipment
> >to perform the measurements. I'd appreciate anyone's
> advice on this, as
> >so far it appears below 0.1ppm is OK ! Perhaps it isn't
> necessary,
> >despite the health hazards of ozone ??
>
> A Google search for 'ozone level' turned up far more hits
> that I can
> scan, but this is from the US EPA's 'Ozone page not
> found' page:
>
> EPA issued the 8-hour standard in 1997, based on
> information
> demonstrating that the 1-hour standard was inadequate for
> protecting
> public health. An area violates the standard if its
> fourth highest daily
> maximum 8-hour ozone average in a year, averaged over
> three consecutive
> years, is 0.085 parts per million or higher. The 1-hour
> standard also
> remains in effect at this time.
>
> I suspect that at 0.1 ppm, you can't smell it, and if you
> can't smell
> it, you probably won't complain about it. (;-)
> --
> Regards, John Woodgate, OOO - Own Opinions Only.
> The good news is that nothing is compulsory.
> The bad news is that everything is prohibited.
> http://www.jmwa.demon.co.uk Also see
> http://www.isce.org.uk
>
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