The EA have made some strange decisions...
To replicate the values, the arsenic SGV is based on comparison of oral,
dermal and inhalation exposure with the oral ID (NOT inhalation ID).
For nickel, it's more confusing. Residential and commercial SGV are
based on comparison of inhalation exposure with inhalation TDI ONLY.
Allotments bsaed on comparison of oral, dermal and inhalation exposure
against oral TDI ONLY.
Phew.
Gareth Wills
Project Manager, Communities
44-(0)117 9339 335
Think before you print
-----Original Message-----
From: Contaminated Land Management Discussion List
[mailto:[log in to unmask]] On Behalf Of Kevin
Privett
Sent: 12 May 2009 16:03
To: [log in to unmask]
Subject: Re: New Soil Guideline Values - Arsenic, Nickel......
I don't like to mention this, but I cannot replicate these values with
the data given in the SGV reports.
Regards,
Kevin Privett.
Dr Kevin Privett
Geo-Environmental Associate
Hydrock
Over Court Barns, Over Lane, Almondsbury, Bristol BS32 4DF
Tel:+44 (0)1454 619 533 Fax:+44 (0)1454 614125 Cell phone: +44 (0)7799
430870
Email: [log in to unmask]
-----Original Message-----
From: Contaminated Land Management Discussion List
[mailto:[log in to unmask]] On Behalf Of Chris
Dainton
Sent: 12 May 2009 11:01
To: [log in to unmask]
Subject: Re: New Soil Guideline Values - Arsenic, Nickel......
New values with old values in brackets
Arsenic:
Res: 32 (20)
Res w/o PU: No value (20)
Allot: 43 (20)
Com: 640 (500)
Nickel:
Res: 130 (50)
Res w/o PU: No value (75)
Allot: 230 (50)
Com: 1,800 (5,000)
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