L Maxwell
Contaminated Land Officer
Development Directorate
The Killingworth Site
P.O.Box 113
Station Road
Killingworth
Newcastle upon Tyne
NE12 6WJ

Tel. 0191 219 2488
Fax. 0191 219 2457

Unless stated, opinions, conclusions and other information expressed in
this message are personal, and not those of North Tyneside Council.
----- Forwarded by Lisa Maxwell/Regulatory Services/ERH/ntc on 13/11/2007
09:36 -----
                                                                                                                                           
                      Chris Eccles                                                                                                         
                      <ChrisEccles@terracon        To:       Lisa Maxwell/Regulatory Services/ERH/ntc@ntc                                  
                      sult.co.uk>                  cc:                                                                                     
                                                   Subject:  RE: Sink float tests                                                          
                      06/11/2007 16:38                                                                                                     
                                                                                                                                           
                                                                                                                                           



Lisa,

As a more definative test you could always have the sample tesated by XRD.
I'm sure Newcaslte University could do one test quite quickly if you find
the correct person.  Alternatively for a commercial laboratory try TES
Bretby (01283 550000 try Dulcie Thornewill or Julian Shirley) as they can
do most types of coal testing (as they were the old NCB labs), XRD and
contam testing.

Regards


Chris Eccles
Director, TerraConsult Ltd
CGeol, CSci, MIEMA, CEnv, SiLC


  _____

From: Contaminated Land Management Discussion List on behalf of Lisa
Maxwell
Sent: Tue 06/11/2007 16:00
To: [log in to unmask]
Subject: Re: Sink float tests



Hello all

Quick background, we have a complainant who insists that refurbishment work
of a viaduct has led to pollution of the surrounding land (his words) and
was insistent that the iron silicate shot used to remove paint is still on
site in significant amounts.  The site was cleaned during works adhering to
best practicable means and again at the completion of works, which as a
result of the complainant included a scrape of surface material
replacement of topsoil in some areas.

2 years down the line from the original complaint the complainant is still
insistent that there is an issue and despite numerous meeting on site with
other parties involved has made very clear his complete "lack of faith in
the council".  A recent site visit with senior management and the
complainant still has not resolved this.

Now to the muppet question, having a site investigation (both labs and GI)
and consultancy background before moving to local authority (plus the
necessary post graduate degree) i am very confidant that the material the
complainant is referring to is infact coal fines within the glacial till,
however the complainant is unwilling to acknowledge the councils technical
ability to reach this conclusion.

Therefore I need a test that could prove that the material in question is
in fact coal fines and not iron silicate.  I was thinking along the lines
of a float sink test so any confirmation of this or any alteratives would
be greatly appreciated.  (its been over 10 years since i last carried out
this test so I'm a bit woolly as to what it entails).

Yours in  anticipation

Lisa

L Maxwell
Contaminated Land Officer
Development Directorate
The Killingworth Site
P.O.Box 113
Station Road
Killingworth
Newcastle upon Tyne
NE12 6WJ

Tel. 0191 219 2488
Fax. 0191 219 2457

Unless stated, opinions, conclusions and other information expressed in
this message are personal, and not those of North Tyneside Council.



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