Re: 10% NBF. How to check the concentration.
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From: | RUSS ALLISON <Allison@Cardiff.ac.uk> |
To: | histonet@pathology.swmed.edu |
Reply-To: | |
Content-Type: | text/plain; charset=US-ASCII |
Donna, I am truly sorry about the staff with Ca in your lab.
However, apart from the NSH study on histotechs health some
years ago, I am aware only of a study carried out by questionnaire
in the UK some twenty years ago. It may be longer, knowing how
time flies as you get older)
They found NO evidence of increased disease rates of any knd
ecept TB in the first and "viral" hepatitis in the second, amongst
histotechs. They found a very small increase in lymphoma and
brain tumours in pathologists.
The fact that the two increases in histotechs were called "hepatitis"
and TB shows how old the survey was. There were no sub-types of
hepatitis then except viral and non-viral. And TB was a disease
under control, not one enjoying a resurgence.
There was also virtually no Health & Safety agency/enforcers.
ergo. - there was the deauce of a lot more formalin (and everything
else) fumes around the laboratories.
But NO increase in any diseases compared with the general
population.
I am not arguing for the abandonment of H&S procedures and
policies, simply for a more realistic approach.
I would take far more liberty with formalin than I would with cyanide
and less than I would with water.
We have reached advanced paranoia in that we nowadays equate
anything that comes in a reagent bottle as though it were
equivalent to the worst. And from what I can gather, in some
states even substances that does not come in a reagent bottle.
Note: for students of English grammar: I know I started a question
with "and".
Russ Allison,
Dental School
Cardiff
Wales
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