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Date: Mon, 11 Sep 95 13:20:05 EST
From: "Anthony Martinez" <Anthony_Martinez@cc*.ss*.nm*.go*>
To: techdiver@terra.net
Subject: Grades of He.




My questions are how many grades of helium are commonly available, what are
the differences in purity/composition, and what are prices per cubic foot
like around the U.S.? Also, how much argon can be tolerated in bottom mix
without upsetting deco schedules that do not take argon into account,
especially if the schedule assumes that all of the helium is really helium?

                                                                   Tony

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