Nik
Mr N Reynolds
BSc(Hons), MSc, CGeol, FGS, MIEnvSc,
EurGeol
Senior Environmental Geologist
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I would appreciate any opinions you
have on the use of the double ratio plot developed by Jones Forensics
Laboratories’ to assess the origin of BaP and how this relates to risk to human
health. I'm unfamiliar with this approach so not entirely sure on its
suitability or if this is widely used.
Situation
- Planning
Context
- 4 Dwellings erected and retrospective planning
application submitted
- Brownfield
Site
- Unorthodox approach to risk assessment,
however;
Chemical analysis has shown BaP in the topsoil of gardens
to be around 3.4mg/kg.
The consultant has used the double plot ratio to
determine the nature of BaP and concludes that its natural (most likely to be
coal fragments) and will not be mobile or available in such fragments and the
fact that any coal would have to be below 0.25mm to adhere to all exposed skin
for dermal adsorption to be a relevant pathway.
Many thanks,
Damon
Damon
Pearson
Environmental Protection Officer
Barrow Borough Council
Tel:
01229 876382
Fax: 01229 876411
Email: [log in to unmask]