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Date: 20 May 1997 14:19:52 -0400
From: Andrew Cohen <Andrew.Cohen@no*.go*>
To: techdiver@aquanaut.com (Return requested),
raduchrow@mk*.ra*.ro*.co* (Return requested)
Subject: Re: O2/steel tanks


     Clarification:
     Steel cylinders will rust if salt water is left in them, period.
     O2 "may" rust them faster than air, but who leaves salt water in their 
     tanks anyway?
     Andy Cohen
______________________________ Reply Separator _________________________________
The Compressed Gas Associaion (CGA) recommends special handling and filling 
procedures for steel tanks containing pure oxygen which may be immersed in 
salt water. CGA special bulletin SB-7 titled "Rupture of Oxygen Cylinders in 
the Dive Industry" states that even small amounts of salt water in steel 
cylinders can cause corrosion so rapid that explosive failure can occur in as 
little as 60 days.
Robert Duchrow
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