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Date: May 29, 2012 8:42:08 AM EDT
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From: "Chance, Brandon" <brandon.chance**At_Symbol_Here**QATAR.TAMU.EDU>
Subject: [DCHAS-L] Hydrogen Sulfide Cylinder SOPs
Date: May 29, 2012 8:00:40 AM EDT
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: <CBEA9513.10346%brandon.chance**At_Symbol_Here**qatar.tamu.edu>

CHAS Members,

I have recently been tasked with creating a cylinder management plan for hydrogen sulfide for a lab currently under construction. This is a bit out of my comfort zone, hence my post. Here is the information I have so far:

1. We are looking at most likely a 3-10L bottle.
2. The lab will contain vented gas cabinets and hydrogen sulfide continuous monitoring systems
3. Personal monitors will be worn by all personnel

I am specifically trying to but together an internal movement SOP that includes the following:

1. Transport from the loading dock via a series of underground corridors to a freight elevator
2. Movement from the basement to the third floor in the elevator (I assume that the cylinder cart should be placed on the elevator, appropriate floor pressed, and a second person will meet the cylinder at the top - this would also require "proctors" placed in the middle floors to keep people from getting on)
3. Disconnection of "in-use" cylinder from the regulator within the gas cabinet (should the cylinder be ran to virtually empty, or should a bit of pressure be left within the cylinder)?
4. Connection of full cylinder
5. Transport of "empty" cylinder to the dock for pickup in reverse of step 2

Obviously the above can be done in reverse with the "empty" cylinder being taken down followed by the full cylinder coming back up. What PPE concerns should I have for transport and are there specific regulation that point towards transportation via occupied spaces for H2S?

Thanks,
Brandon Chance, M.S.

Safety and Environmental Compliance Manager
Office of Building Operations & HSSE
Texas A&M University at Qatar
brandon.chance**At_Symbol_Here**qatar.tamu.edu

PO Box 23874 | Doha, Qatar
TAMUQ Building Room 225DA | Education City

(o) +974.4423.0495 | (m) +974.6668.3552 | SkypeIn USA 001.281.764.1776

www.qatar.tamu.edu

It's Time For Texas A&M

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