Perhaps this would be helpful?
Steve
Stephen George, Ph.D.
Dept. Safety Officer
Department of Chemistry and Biochemistry
University of California, San Diego
Ph: 858-534-5906 I Cell:
858-775-1492
Email:
spgeorge**At_Symbol_Here**ucsd.edu
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**med.cornell.edu]
On Behalf Of Debbie M. Decker
Sent: Friday, May 27, 2016 2:44 PM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: [DCHAS-L] FW: Compressed Air 'grade' question
Please excuse the cross-posting.
Hi gang:
Anyone have any ideas for Cody? The google isn't very helpful.
Thanks,
Debbie
-----------Original Message------------------
From: Cody
Sent: Wednesday, May 25, 2016 10:27 AM
To: Debbie M. Decker <dmdecker**At_Symbol_Here**ucdavis.edu>
Subject: Compressed Air 'grade' question
Good morning!
I have a question that I was hoping you could help me answer.
What is grade 4 compressed air? what standard is that grade referring to?
Basically I need to present my PI with some information on the quality of our building compressed air compared to other options..
Scott (Facility Manager)
has told me that the building compressed air line delivers "Grade 4" compressed air, which he found out from the ladies and gentlemen
who maintain the pumps in the basement..
I have not been able to figure out what set of standards compressed air is measured by. I've heard of 'medical grade' and 'scuba diving grade'.... but even those are confusing me now that I've looked into it more.
Any ideas?
Thank you and have a great Wednesday!
Cody
-----------------------
Debbie M. Decker, CCHO, ACS Fellow
Immediate Past Chair, Division of Chemical Health and Safety
University of California, Davis
(530)754-7964
(530)304-6728
dmdecker**At_Symbol_Here**ucdavis.edu
Birkett's hypothesis: "Any chemical reaction
that proceeds smoothly under normal conditions,
can proceed violently in the presence of an idiot."
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