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May 2004

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Subject:
Re: Lead from landfills: UK figures
From:
Brian Ellis <[log in to unmask]>
Reply To:
(Leadfree Electronics Assembly Forum)
Date:
Sat, 8 May 2004 11:39:49 +0300
Content-Type:
text/plain
Parts/Attachments:
text/plain (49 lines) 
(0.032 + 0.15) * 1,000,000 /480 = 379

Brian Ellis wrote:

> I've come across a summary report of emissions from landfills in the UK at
> http://www.defra.gov.uk/environment/waste/health-effects/health-summary.pdf
>
> Over the whole country, TOTAL releases of all sources of lead to all
> forms of water is 480 tonnes/year.
>
> Total releases from landfills of lead to ground and surface water is
> <0.032 tonnes/year and into sewers (untreated) <0.15 tonnes/year and,
> after treatment, <0.071 tonnes/year.
>
> Of course, this will include lead from the odd battery that makes its
> way there, lead scrap, painted articles, stabilised PVC and so on, as
> well as from CRTs, lamps, and electronic solder.
>
> I don't think it takes much imagination to determine that the proportion
> of the 379 ppm lead leached from landfills, compared to total lead
> reaching all water, and derived from electronics solder must be
> extremely small, and possibly is in the order of ppb or even ppt.
>
> Brian
>
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