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Date: Wed, 08 Aug 2001 08:52:16 -0400
To: Charles Ayash <cagraphics@mi*.co*>
From: Rodriguez <mikey@ma*.co*>
Subject: Re: USA helium costs?
Cc: techdiver@aquanaut.com

At 01:45 PM 8/7/2001 -0400, Charles Ayash wrote:

>>$52 for 340cuft .10 per day bottle rental.
>>$11.72  340cuft ABO
>>$68.00  340 Argon

A T-cylinder (at 2640 PSI) of helium is only ~290 Ft3 due to the
reduced compressibility of helium compared to the same cylinder of
oxygen which is ~340 Ft3.

-Mike Rodriguez
<mikey@mi*.ne*>
http://www.mikey.net/scuba
Pn(x) = (1/(2^n)n!)[d/dx]^n(x^2 - 1)^n

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