[log in to unmask]

Dag, may you comment about this Pb leachage percentage coming from
electronics you verbally highlighted during the Interconnex Imaps Symposium
in Versailles ? Did I poorly understand your statement ?

Merci,

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: Joe Fjelstad [mailto:[log in to unmask]] 
Sent: mardi 4 mai 2004 18:54
To: [log in to unmask]
Subject: Re: [LF] amount of lead comsumed


In a message dated 5/4/2004 9:30:37 AM Pacific Standard Time,
[log in to unmask] writes: Another number I've got, gives 30% of
the Pb leachages in landfills are due to the 0,5% of Pb in electronics.
Hello Pascal

Could you please provide the source for the above comment relative to
leaching?

Are you referring to hard data relative to leaching or presumed leaching
based on acetic acid tests. To my knowledge no one has ever produced field
evidence of lead leaching as there are quite simply too many other factors
in nature that tie it up and immobilize it.

Even if it were so, there are so many confounding factors, such as lead
paint in landfills from demolition refuse (much of it in lead acetate form
by the
way) and legacy tetra ethyl lead from gasoline, that to assert that lead
from electronics is 30% of the cause would be the sole cause seems to me to
be folly.

Thank you in advance for providing the reference.

Kind regards,
Joe

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