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RE: Niagara Transuranics and Hg mistake



John and other Radsafers



Isn't global warming (rising sea levels, etc) a more important reason to

stop burning fossil fuels?



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-----Original Message-----

From: owner-radsafe@list.vanderbilt.edu

[mailto:owner-radsafe@list.vanderbilt.edu]On Behalf Of John Jacobus

Sent: April 7, 2004 11:25 AM

To: NiagaraNet@AOL.COM; radsafe-digest@list.vanderbilt.edu

Cc: NiagaraNet@AOL.COM

Subject: Re: Niagara Transuranics and Hg mistake





Not to be a nucance, but I would still like to know if

mercury for coal burning contributes to mercury

contamination in the ocean/food chain.  If so, we need

to stop burning coal and increase our use of nuclear

power.



--- NiagaraNet@AOL.COM wrote:

> RADSAFERS:

>

> I am concerned with the mistaken statement about the

> conversion of mercury in

> biota. This is not a small one, nor easily

> overlooked.

>

> Would anyone like to assist with my transuranics

> issues in the general

> Niagara Falls Niagara County area and the poor

> disposal practices of yore?

>

> Thanks to Jim Dukelow of PNNL for the heads up and

> clarification on this.

> .

> Regards,

> Louis Ricciuti

> Niagara County - "Los Alamos East"

> _____________

>

> Date: Tue, 06 Apr 2004 12:35:49 -0400

> From: RuthWeiner@AOL.COM

> Subject: Re: Mercury scam?

>

> >Did you calculate the amount of mercury deposited

> in

> >the ocean from the burning of coal and other

> >industrial processes?  What form is the mercury

> >entering the oceans?  As an organic form that can

> be

> >absorbed by biota?

> >

> 3.  Metallic mercury apparently can be methylated by

> marine organisms to form

> dimethyl mercury.

>

> Ruth F. Weiner

> ruthweiner@aol.com

> 505-856-5011

> (o)505-284-8406

> _______________

>

> Ruth,

>

> I think marine organisms methylate mercury to methyl

> mercury.  Dimethyl

> mercury is extraordinarily toxic.  In August 1996

> the Dartmouth chemist Karen

> Wetterhahn spilled a couple of drops of dimethyl

> mercury on her latex gloves.  In

> January 1997 she was hospitalized with symptoms of

> mercury poisoning.  She died

> a couple of months later.  She had been following

> accepted guidelines for

> handling dimethyl mercury.  The incident led to a

> revision of safety rules here

> at the laboratory.  Methyl mercury is quite toxic,

> but not in the same ballpark

> as dimethyl mercury.

>

> Best regards.

> Jim Dukelow

> Pacific Northwest National Laboratory

> Richland, WA

> jim.dukelow@pnl.gov

>

> *Was LATEX the recommended handling procedure?

> My sincerest sympathies to Karen Wetterhahn's

> family. How sad.

>





=====

+++++++++++++++++++

""A fanatic is one who cannot change his mind and won't change the subject."

Winston Churchill



-- John

John Jacobus, MS

Certified Health Physicist

e-mail:  crispy_bird@yahoo.com



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