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From: Harry J. Elston <helston**At_Symbol_Here**MIDWESTCHEMSAFETY.COM>
Subject: Re: [DCHAS-L] Vacuum Chamber questions?
Date: Wed, 27 Apr 2016 12:23:31 -0500
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: CAJ2hcfeaSS9EPDHhUxWOYtg-U+d=j43+WG4bjv8FLD22_v5zWw**At_Symbol_Here**mail.gmail.com
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Margaret - what are the proposed materials of construction and what is the proposed pressure in the chamber? Answers to both of these questions are essential before we get to your question.

Harry

On Wed, Apr 27, 2016 at 11:26 AM, Smallbrock, Margaret A. <Margaret.Smallbrock**At_Symbol_Here**sdsmt.edu> wrote:

Greetings all,

I have a researcher who is proposing to build a vacuum chamber in his lab that is an evacuated tube that is 4.5 m in length and approximately 30 cm in diameter. What immediately came to mind is implosion concerns, shielding for the user, room shielding (basement lab)? Should pressure testing of the equipment be required?

If you have worked with this before or something similar, would you be willing to share? Any lessons learned or SOPs that may be helpful?

Thank you,

Margaret Smallbrock

Campus Environmental Health and Safety Manager

Environmental Health & Safety

South Dakota School of Mines

501 East St. Joseph Street

Rapid City, SD 57701-3995

605-394-6020

605-394-5837 FAX

Margaret.Smallbrock**At_Symbol_Here**sdsmt.edu




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