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From: ahughes@dg-rtp.dg.com (Arch Hughes)
Newsgroups: sci.space,sci.astro,sci.space.shuttle
Subject: Re: Shuttle scrubbed again
Message-ID: <993@dg.dg.com>
Date: 21 Sep 90 21:24:59 GMT
References: <1990Sep17.224055.1343@murdoch.acc.Virginia.EDU>
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Reply-To: ahughes@dg-rtp.dg.com (Arch Hughes)
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In article <1990Sep17.224055.1343@murdoch.acc.Virginia.EDU>,
gsh7w@astsun.astro.Virginia.EDU (Greg S. Hennessy) writes:
|> 
|> The shuttle Columbia's launch attempt was just scrubbed. A hydrogen
|> leak caused a concentration of more than 1000 ppm in the aft
|> compartments. Values of 2275 ppm were measured. Values are currently
|> less than 1500 ppm, but the mission is scrubbed for tonight.
|> 
|> At the present time it is unknown what will happen.
|> 
|> --
|> -Greg Hennessy, University of Virginia
|>  USPS Mail:     Astronomy Department, Charlottesville, VA 22903-2475
USA
|>  Internet:      gsh7w@virginia.edu  
|>  UUCP:		...!uunet!virginia!gsh7w


Anyone know what concentrations of hydrogen are capable of causing a 
real explosion?