Rank: Forum user 
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Hi
We use small amounts of HF acid in concentrations greater than 40%. Guidelines advise concentrations of 14.5% and above would produce symptoms immediately therefore the use of CG gel would also be immediate following irrigation.
Would anyone give CG gel to employees to keep at home in the event of an unknown minute contamination? Or would they be advised to contact their local A&E as part of their training?
I'm used to working with large volumes of HF held in open vats and although I appreciate the risks I do feel we're being rather over reactive.
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Rank: Super forum user
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In short, yes.
The delayed effects of HF contamination mean your operators will probably notice it up to 12 hours after exposure.
They can apply the gel before attending A&E.
From experience you need to ensure you provide information on HF along with the gel so that your employees can take it with them to A&E. Its not the first time Hydrofluoric acid has been heard (and treated) as hydrochloric acid.
You will also need to have a system in place to ensure your CG tubes are replaced. The gel only lasts for 1-2 years.
John
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