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Previous by Date: Subject: Re: [DCHAS-L] HF concentration and gluconate gel Date: Sat, 14 Oct 2017 12:01:30 -0400 Author: Ernest Lippert |
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I'm a chemical engineer, not a medical specialist, but Honeywell has multiple documents related to anhydrous and aqueous HF, with a medical guide that has a
very good set of citations to discuss the data for various treatment options
https://www.honeywell-hfacid.com/literature/
https://www.honeywell-hfacid.com/document/hf-medical-book/?download=1
Chuck
From: ACS Division of Chemical Health and Safety [mailto:DCHAS-L@PRINCETON.EDU]
On Behalf Of Ken Kretchman
Sent: Saturday, October 14, 2017 10:02 AM
To: DCHAS-L@PRINCETON.EDU
Subject: Re: [DCHAS-L] HF concentration and gluconate gel
Back in semiconductor research days our site physician preferred the alternative Alan mentions as well.
Here is some information from Air Products on this topic..
thanks
Ken
Ken Kretchman, CIH, CSP Director, Environmental Health and Safety
NC State University / Box 8007 / 2620 Wolf Village Way / Raleigh North Carolina 27695-8007
Email:
Ken_Kretchman@ncsu.edu / Phone:
(919).515.6860 /
Fax: (919).515.6307
On Fri, Oct 13, 2017 at 2:23 PM, Alan Hall <oldeddoc@gmail.com> wrote:
Harry et al,
Also do remember that iced benzalkonium soaks are recommended by Honeywell (based on some quite good experimental data and relevant clinical experience) and are relatively inexpensive. However, training must be provided BEFORE use because
holding an exposed workers hand or other exposed body part in a basin of ice and the solution can potentiallycause a significant frostbite injury adding to the chemical injury.
Best to let the worker hold the exposed body part in the solution and to take breaks when it becomes too cold. As with calcium gluconate injections, the endpoint is relief of quite excruatiating pain.
Alan
Alan H. Hall, M.D.
Medical Toxicologist
On Fri, Oct 13, 2017 at 12:36 PM, Harry Elston <helston@midwestchemsafety.com> wrote:
Note also that the Honeywell guide allows for the soaking with iced benzalkonium chloride (at 0.13%) as a first aid treatment. Benzalkonium chloride solutions are relatively easily
obtained and fairly inexpensive.
H
From: ACS Division of Chemical Health and Safety [mailto:DCHAS-L@PRINCETON.EDU]
On Behalf Of Ken Kretchman
Sent: Friday, October 13, 2017 12:09 PM
To: DCHAS-L@PRINCETON.EDU
Subject: Re: [DCHAS-L] HF concentration and gluconate gel
What Ralph states is quite correct.
A number of years ago we started having Student Health pharmacy prepare this.for distribution
at significantly reduced cost. That practice is discontinued for other reasons..
We also have had our fire / medical response group (EMTs) carry it with them since we
cant be sure that all needing the material have it in their possesion.
Ken
Ken Kretchman, CIH, CSP Director, Environmental Health and Safety
NC State University / Box
8007 / 2620 Wolf Village Way / Raleigh North Carolina 27695-8007
Email:
Ken_Kretchman@ncsu.edu /
Phone: (919).515.6860 /
Fax: (919).515.6307
On Fri, Oct 13, 2017 at 12:08 PM, Stuart, Ralph <Ralph.Stuart@keene.edu> wrote:
> >So my recommendation would be that whatever concentration HF you work with, having calcium gluconate gel available as a first aid measure would be a very good idea.
The challenge I have found with this strategy is maintaining a useful stock on hand requires rotating the gel on a regular basis (annually? I think). The expiration dates are very difficult to track accurately from outside the lab where the HF is being used and should be the responsibility of the lab using the material. Then there's the expense of replacing the gel. Many people interested in using HF look at the catalog price of the solution they want to buy and assume that's the total cost. It's not...
- Ralph
Ralph Stuart, CIH, CCHO
Environmental Safety Manager
Keene State College
603 358-2859
ralph.stuart@keene.edu
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