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To: Multiple recipients of list wreckdiver <wreckdiver@wreckdiver.com>
From: <Divesafety@ao*.co*>
Date: Mon, 6 Jul 1998 12:37:42 EDT
Subject: Re: Industrial helium

Jim,

      I was under the distinct impression commercial divers were required to
use breathing grade by the association, no ? I'm only asuming your commercial
as I don't know any one else other than the service who was doing helium dives
20 years. There is a distinct difference in commercial; gas switches are
usually done for you (don't have to be conscious) and surface support
including chamber.

Are you doing helium dives in Illinois and to what depth ?

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