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May 2004

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Subject:
Re: amount of lead comsumed
From:
Pascal Guiheneuf <[log in to unmask]>
Reply To:
(Leadfree Electronics Assembly Forum)
Date:
Tue, 4 May 2004 18:29:10 +0200
Content-Type:
text/plain
Parts/Attachments:
text/plain (79 lines) 
Numbers I've got are for year 2002 :

Pb : 2,800,000,000 Kg
Lead in electronics : 14,150,000 Kg 

Pareto is :

Storage batteries : 80,81%
Oxides (paint, glass, ceramic, chemicals): 4,78%
Ammunition, shot and bullets : 4,69%
Sheet lead : 1,79%
Cable covering : 1,14%
Casting material : 1,13%
Brass & Bronze : 0,72%
Pipes, traps, other extrusions : 0,72%
Solder (non-electronic) : 0,7%
Solder in electronics & CRTs : 0,49%
Miscellaneous : 2,77%

Another number I've got, gives 30% of the Pb leachages in landfills are due
to the 0,5% of Pb in electronics.

 
Pascal Guihéneuf
UMTS HW Life Cycle Team Leader
Environmentally-Friendly Core Team Leader 
ESN 574-5382 or 33.1.69.55.53.82 (phone)
ESN 754-2704 or 33.6.64.04.27.04 (mobile)



-----Original Message-----
From: santhakumar rajesnayagham [mailto:[log in to unmask]] 
Sent: lundi 3 mai 2004 18:15
To: [log in to unmask]
Subject: [LF] amount of lead comsumed


Hi All,
We all know that electronic solder consumes only 0.49% of the total lead
consumption. Looks like a very low value, but is there a number (in Kg or
pounds) which gives the total amount of 'lead' this 0.49% consumes? I guess
it will be a big enough number to console that moving to lead-free is
reasonable. I would greatly appreciate if an authentic source is available.
Thank you Sincerely Santhakumar


Santhakumar Rajesnayagham
Graduate Student & Research Assistant
Center for Electronics Manufacturing and Assembly (CEMA) Rochester Institute
of Technology, Rochester, New York Phone : (CEMA Lab) 585-475-7293





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