I was wondering whether anyone can help me out! I have a site which
consists of a railway embankment believed to have been constructed of
ironworks waste in the 1890s (i.e. unprocessed slags). The EWC codes class
the waste as 'non-hazardous' and it is neither an 'absolute' nor a 'mirror' entry.
I will shortly be commissioning a ground investigation to generate chemical
data for the waste subject to it being reused as bank stabilisation material (so
long as it is 'suitable for use'). The objective of the soil and leachate sampling
will be to prove that the material is non-hazardous, as the EWC code I have
arrived at is based on anecdotal evidence (even though there is a strong
weight of evidence to suggest that the waste is unprocessed slag).
My question is - once I have my chemical analysis results back, does anyone
know how to determine whether the waste (on account of its properties)
qualifies as a H1-H14 hazardous material? (or even if this matters given that
the waste class is neither an 'absolute' nor a 'mirror' entry) If it does matter,
are there threshold concentrations available in some publication/guidance
document above which the waste is classified as, for example, toxic or
corrosive?
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