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Subject: Call for Papers: "Biocides Old and New: Where Chemistry and
Date: Mon, 7 Mar 2005 09:04:09 -0500
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Subject: Re: [aihaih-list] Mercury Spill Clean up
Date: Mon, 7 Mar 2005 09:40:13 -0800
Author: "Leland, Stephen F"


Date: Mon, 7 Mar 2005 09:17:52 -0600
Reply-To: "Gary M. Kehoe" <GKehoe**At_Symbol_Here**MWGEN.COM>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: "Gary M. Kehoe" <GKehoe**At_Symbol_Here**MWGEN.COM>
Subject: Mercury Spill Clean up
Comments: To: aihaih-list**At_Symbol_Here**yahooGroups.com, ih**At_Symbol_Here**ls.eei.org
I am in the process of reviewing and updating our mercury spill procedure.
 In taking to a hazmat responder they referenced a "surface" standard of
3000 nanograms/cubic meter as a clearance level after a spill clean up.
The person I was speaking with could not adequately explain the rationale
for the "standard" nor could they tell me what organization published the
standard other than that it was one they used when working with a local
utility.  They also indicated that breathing zone levels were generally
well within the TLV even when the surface contamination was higher than
3000 ng/M3.  They are measuring the surface with a direct reading meter.

Is anyone aware of this "standard" (or any others)?  What are your
thoughts on the "standard"?  What do you use?

Thanks,

Gary M. Kehoe, CIH
Senior Industrial Hygienist
Midwest Generation EME LLC
312-583-6103
312-925-1813 (C)
312-788-5533 (F)

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