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In article <162700004@uiucdcsb>, carey@uiucdcsb.cs.uiuc.edu writes:
> Since there are so many printers and copiers around offices these days,
> and many of them produce ozone during the printing process I have a
> few questions about ozone in general:
> 
> What are the effects of exposure to ozone?  

	Respiratory distress, with irritation to lungs and respiratory
passages.  Effects of exposure are generally reversible.

> Are there any cheap ozone detectors, or measuring devices for ozone level?

	Not that I am aware of.  The standard method for ozone-in-air
determination consist of taking a measured volumetric sample of air,
passing it through a known amount of potassium iodide reagent solution,
titrating with standard sodium sulfite solution, and calculating ozone
concentration from titration results.
	While there are autoanalyzers to perform this measurement on a
(somewhat) continuous basis, they are not "cheap" ($ 5K or more).

> What methods are there for ozone filtering and/or trapping of ozone
> in an office environment?

	No methods that I am aware of other than insuring an adequate
amount ventilation with a suitable quantity of HVAC makeup air from the
outside.
	While ozone concentrations can be a problem in certain industrial
environments and around high-power lasers, I don't believe there is any
hazard with such items as office copiers or laser printers.

<>  Larry Lippman @ Recognition Research Corp., Clarence, New York
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