Alfredo,

These references may be of interest, reporting measurements of smelter
emissions, transport and deposition via the atmosphere in Eastern Canada. They
also discuss source apportionment using isotopic and non-isotopic techniques.

Geochimica et Cosmochimica Acta, Volume 68, Issue 14, 15 July 2004, Pages
2961-2980  Kevin Telmer, Graeme F. Bonham-Carter, Deborah A. Kliza and Gwendy
E. M. Hall

Geochimica et Cosmochimica Acta, Volume 68, Issue 16, 15 August 2004, Pages
3285-3294  Antonio Simonetti, Clément Gariépy, Catharine M. Banic, Richard
Tanabe and Henry K. Wong

Good luck
Jody



>===== Original Message From Stable Isotope Geochemistry
<[log in to unmask]> =====
>Dear Alfredo and others interested,
>you will find the information about lead isotopes you are looking for in the
>following paper: Widory et al. (2004) The origin of atmospheric particles in
>Paris: a view through carbon and lead isotopes, Atmospheric Environment, 38,
>953-961. We are curently preparing a new paper with nitrogen and strontium
>systematics.
>Hope it helps,
>David
>
>Dr D. Widory
>
>Stable Isotope Laboratory Manager
>
>BRGM MMA/ISO
>
>3 avenue Claude Guillemin
>
>BP 6009
>
>45060 Orléans Cedex 2
>
>e-mail : [log in to unmask]
>
>Tel : +33-(0)2 38 64 47 72
>
>Fax : +33-(0)2 38 64 37 11
>
>
>
>-----Message d'origine-----
>De: Alfredo Torrico [mailto:[log in to unmask]]
>Date: mercredi 24 novembre 2004 20:02
>À: [log in to unmask]
>Objet: [ISOGEOCHEM] LEAD SIGNATURE IN DUST
>
>
>Hi, everybody
>
>I would appreciate any information on discriminating
>lead origin in dust airbone.  As lead in dust might
>come from smelters, ore deposits and gasoline
>combustion I would like to know if it is possible to
>figure out the contribution of lead from different
>sources using isotopic signatures.
>
>Regards to all you
>
>Alfredo Torrico
>[log in to unmask]
>
>
>
>
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----------------------------------------------------------------------
University of Victoria School of Earth and Ocean Sciences
Geochemistry - ICPMS Lab Manager
email: [log in to unmask]
phone: 250-472-4029
fax: 250-472-4184