[alt-photo] Re: Metal halide lamps in plate burners and ozone???

[BOB KISS]

DEAR LORIS,
	I have my plate burner (also NP80 bulb) right under my exhaust fan
in the ceiling so I don't have an ozone problem but when I had it previously
located in a smaller darkroom, I could smell ozone during and immediately
after exposure.  However, I used to open the darkroom door and put on a fan
during exposure because ambient room light won't cause any problems to the
sensitized material under your neg in the vacuum frame.
		CHEERS!
			BOB

-----Original Message-----
From: alt-photo-process-list-bounces at lists.altphotolist.org
[mailto:alt-photo-process-list-bounces at lists.altphotolist.org] On Behalf Of
Loris Medici
Sent: Friday, April 16, 2010 7:21 AM
To: 'The alternative photographic processes mailing list'
Subject: [alt-photo] Metal halide lamps in plateburners and ozone???

Hi all. Now that I have/use a NuArc plateburner, I was wondering if the
lightsources of this and similar devices generate ozone? I have the
plateburner in a not too big room (14m2 / 150 sq. ft.), should I be
concerned with the amnt. of ozone that will be - presumably - generated?

TIA,
Loris.

P.S. The plateburner I have uses a NuArc NP80 lightsource. See its spectral
power distribution chart here:
http://www.tcsuvlamps.com/products/222_files/diazo_graph.jpg

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