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From: dil@mace.cc.purdue.edu (Perry G Ramsey)
Newsgroups: sci.space.shuttle
Subject: Re: I need facts!
Message-ID: <7880@mace.cc.purdue.edu>
Date: 27 Jun 91 16:21:18 GMT
References: <37330001@hpindwa.cup.hp.com> <1991Jun27.150231.8725@aio.jsc.nasa.gov>
Reply-To: dil@mace.cc.purdue.edu (Perry G Ramsey)
Organization: Department of Earth and Atmospheric Sciences
Lines: 18

In article <1991Jun27.150231.8725@aio.jsc.nasa.gov> bmears@deltahp.jsc.nasa.gov writes:
>BTW, SRB burnout occurs
>at approximately 140,000 feet.  Does this count as "high" or "low" in an
>atmospheric sense?

This subject has already been beaten to death many times before, with
the conclusion that there aren't enough launchings to even begin to
compare with other chlorine sources.

Just to answer your question, ozone concentration peaks at about 25 km
(140,000 ft = 42 km), so yes, at least some fraction of the emission
is directly in the ozone.         

-- 
Perry G. Ramsey         Department of Earth and Atmospheric Sciences
dil@mace.cc.purdue.edu  Purdue University, West Lafayette, IN USA
perryr@purccvm
N9LFF