DCHAS-L Discussion List Archive
Date: Tue, 22 Jun 2010 06:58:36 -0700
Reply-To: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: bill parks <misterbill21225**At_Symbol_Here**YAHOO.COM>
Subject: Re: H2 Safety Requirements or Guidelines
In-Reply-To: <002801cb120e$a50a7840$ef1f68c0$**At_Symbol_Here**edu>
--0-61389117-1277215116=:5921
If something like Hydrogen is supplied, there should be a means of removing
it safely from the operators area, i.e., LEV. Having the operation done in
a hood might be better. Oxygen detectors at low, middle , and breathing zo
ne heighths near the operation is certainly a plus. Operator "canaries" in
the breathing zone at minimum.
=C2=A0
"Plumbing it himself" worries me a bit. Hydrogen is not something I allow g
eneral researchers to plumb. Might I recommend using a pipefitter or mechan
ical contractor. Liability, liability, liability.=C2=A0
=C2=A0
Might be overkill, but.................................................
=C2=A0
One man's humble opinion,
Bill Parks
CHST, CHMP, CEHT, LSP(C), RPIH
630/380-4032
**Providing sound Industrial Hygiene, Occupational Safety and Health, Envir
onmental Health & IAQ, Environmental, and Laboratory support services and s
olutions for over 25 years**
--- On Tue, 6/22/10, Mary Cavanaugh wrote:
From: Mary Cavanaugh
Subject: [DCHAS-L] H2 Safety Requirements or Guidelines
To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU
Date: Tuesday, June 22, 2010, 8:27 AM
I=E2=80=99ve not had much success going the fire safety route, so am trying
the chemical/lab safety listservs for help.=C2=A0 Please forgive the cross
-posting.
=C2=A0
We have 2 researchers who use or plan to use hydrogen gas in their labs.
=C2=A0
One is a biology lab and I don=E2=80=99t yet know much about why and how th
e hydrogen is used, except that it appears to be being plumbed into a table
top "tent=" approximately 4=E2=80=99 x 4=E2=80=99 x 4=E2=80
=99.=C2=A0 The tent appears to be made of a clear plastic material.=C2=A0 I
do not as yet know if it is static-resistant.
=C2=A0
The other is a chemistry lab where the hydrogen will be used to consume res
idual oxygen in an anaerobic chamber.=C2=A0 The approximately 1-lb tank wil
l be secured to the bench and the researcher plans to plumb it himself with
copper line.
=C2=A0
Naturally I have some concerns about hydrogen being used in the lab.=C2=A0
I doubt there are safer substitutes in these cases, but if anyone knows of
one, can you please share them?
=C2=A0
Can anyone point me to specific safety guidelines I can share with these re
searchers?
=C2=A0
Thanks in advance.
=C2=A0
Mary M. Cavanaugh CIH
University Industrial Hygienist
Safety & Workers' Comp. Office
cavanaughmm**At_Symbol_Here**appstate . edu
(828) 262-6838 Direct
(828) 262-2936 Fax
=C2=A0
--0-61389117-1277215116=:5921
If something like Hydrogen is supplied,
there should be a means of removing it safely from the operators area, i.e.
, LEV. Having the operation done in a hood might be better. Oxygen detector
s at low, middle , and breathing zone heighths near the operation is certai
nly a plus. Operator "canaries" in the breathing zone at minimum.
"Plumbing it himself" worries me a bit. Hydrogen is not something I al
low general researchers to plumb. Might I recommend using a pipefitter or m
echanical contractor. Liability, liability, liability.
Might be overkill, but................................................
.
One man's humble opinion,
Bill Parks
CHST, CHMP, CEHT, LSP(C
), RPIH
630/380-4032
**Providing sound Industrial Hygiene, Occupa
tional Safety and Health, Environmental Health & IAQ, Environmental, an
d Laboratory support services and solutions for over 25 years**
---
On Tue, 6/22/10, Mary Cavanaugh <cavanaughmm**At_Symbol_Here**APPSTATE.EDU><
/B> wrote:
From: Mary Cavanaugh <cavanaughmm**At_Symbol_Here**APPSTATE.EDU
>
Subject: [DCHAS-L] H2 Safety Requirements or Guidelines
To: DCHA
S-L**At_Symbol_Here**LIST.UVM.EDU
Date: Tuesday, June 22, 2010, 8:27 AM
I=E2=80=99ve not had much success going the fire safet
y route, so am trying the chemical/lab safety listservs for help. Ple
ase forgive the cross-posting.
We have 2 researchers who use or plan to use hydrogen
gas in their labs.
One is a biology lab and I don=E2=80=99t yet know much
about why and how the hydrogen is used, except that it appears to be being
plumbed into a tabletop "tent=" approximately 4=E2=80=99 x
4=E2=80=99 x 4=E2=80=99. The tent appears to be made of a clear plast
ic material. I do not as yet know if it is static-resistant.
The other is a chemistry lab where the hydrogen will b
e used to consume residual oxygen in an anaerobic chamber. The approx
imately 1-lb tank will be secured to the bench and the researcher plans to
plumb it himself with copper line.
Naturally I have some concerns about hydrogen being us
ed in the lab. I doubt there are safer substitutes in these cases, bu
t if anyone knows of one, can you please share them?
Can anyone point me to specific safety guidelines I ca
n share with these researchers?
Thanks in advance.
Mary M. Cavanaugh CIH
University Industrial Hygienist
Safety & Workers' Comp. Office
cavanaughmm**At_Symbol_Here**appstate . edu
(828) 262-6838 Direct
(828) 262-2936 Fax
|
--0-61389117-1277215116=:5921--
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