Date: Tue, 1 Jun 2010 14:56:48 -0400
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From: Secretary ACS DCHAS <secretary**At_Symbol_Here**DCHAS.ORG>
Subject: 4 Re: [DCHAS-L] Mercury from thermometers (again)

From: Alvaldenio**At_Symbol_Here**
Date: June 1, 2010 2:45:13 PM EDT
Subject: Re: [DCHAS-L] Mercury from thermometers (again)

Alan,  Thank you for your common sense approach.  Yes, I played with mercury, even coated dimes with it in high school.  Spent 34 years in academia, some of which I was a Chemical Hygiene Officer.  I wish that I had a dollar for every mercury thermometer spill that I cleaned up over the years.  Yes, I am very much alive at age 75.  Perhaps we have too many school science teachers who have inadequate training!  Thanks again for your clear headed thoughts!  Al Denio

From: "Tsiakals, Nicholas John" <tsiakals**At_Symbol_Here**>
Date: June 1, 2010 2:47:35 PM EDT
Subject: RE: [DCHAS-L] Mercury from thermometers (again)

So comes the specter of chronic toxicity:


=85the real danger comes from the chronic effects of the metal.  If the school administration allowed students to go home with the possibility of mercury remaining on their bodies, the parents will hand those administrators their own heads on a platter.


One challenge with exposures to reproductive toxins or carcinogens is the concept of threshold level.  How do you all deal with such exposures?


These Responders are operating on a =93zero threshold=94 - or, if you prefer, a binary criterion:  mercury / no mercury.  Simple, and therefore more reliably implemented.  But as you all have pointed out, prone to nonsensical outcomes.  And the nonsense leads into misdirected resources - not to mention a loss of credibility for the chemists, safety folks, etc.  At the very least, when the public sees the same response for VX gas and a broken thermometer, they don=92t see an intelligent response.




 From: Rita Kay Calhoun <r.calhoun**At_Symbol_Here**>
Date: June 1, 2010 2:20:34 PM EDT
Subject: RE: Mercury from thermometers (again)

Amen, Brad. 


Kay Calhoun

 From: "Johnson, Amy Carr" <amy_johnson**At_Symbol_Here**>
Date: June 1, 2010 2:22:43 PM EDT
Subject: RE: [DCHAS-L] Mercury from thermometers (again)

Thank you, Alan. 


It=92s hard enough getting people to take us seriously without our adding to the problem by over-reacting and making mountains out of molehills!




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