Discover new ways to save our lanet


Hazardous waste

The new definition of hazardous waste,contractors, are therefore already
agreed at EU level in 2000, was supposedhaving to consider whether or not to
to be applied from January 2002. It nowidentify their wastes as "hazardous"
looks unlikely to be fully transposed inusing an asterisk. Inevitably, however,
the UK until 2004.given the parallel regime on "special"
The UK intends to repeal the existingwastes, there will be large volumes of
"special waste" regime, and replace ithazardous waste slipping through the
with a new hazardous waste system whichnet.
will better reflect EU requirements andThe new definition of hazardous waste is
bring wider regulatory improvements. Aexpected to embrace three times more
consultation paper two years agowaste than is covered by the existing
explained that the new regulations willspecial waste regime, and will also
place the onus for compliance on wastetreble the number of companies deemed to
producers rather than carriers.be hazardous waste producers.
In place of the existing requirement toIdentifying hazardous waste:
notify the Environment Agency beforeThe Agency's new technical guidance is
consigning special waste, the new regimebased on a research project undertaken
will instead require producers ofby Enviros and Land Quality Management.
hazardous waste to register with theIt makes it clear that the new
Agency. They will also receive periodicdefinition of hazardous waste will
inspections.continue to exclude domestic waste, but
However, because of the log-jam ofit remains uncertain precisely when
policy initiatives within thewaste streams collected by a local
over-stretched Environment Department,authority - such as old televisions or
detailed proposals for the new regimeengine oil - count as "domestic" waste.
have been repeatedly delayed. The latestSeparate guidance is to be prepared on
word is that a consultation paper, withthis matter.
draft regulations, will emerge in the"Absolute" and "mirror" entries:
autumn. Regulations are unlikely to beMany of the wastes on the EWC have
laid until 2004. Once they are in place,absolute entries, making it clear
there is likely to be a lead-in periodwhether or not they count as hazardous.
of a few months to give businesses timeIn these cases threshold calculations
to adapt.will not be required, the guidance says.
All in all, implementation is well over
two years behind schedule. But the delayIn cases involving mirror EWC listings,
in complying with EU law is only thewastes should only be consigned as
start of the problem.hazardous where they possess one of 14
Of greater significance to industry ishazardous properties - ranging from
the hiatus caused by the fact that theflammability to ecotoxicity - as set out
new hazardous waste definition isin EU legislation. Where the composition
already being applied in the regulationof the waste is known, producers can
of landfills and incinerators. This isavoid having to undertake such tests if
because the EU Directives on landfillthey can show that the waste does not
and incineration, and their implementingcontain dangerous substances.
regulations, refer directly to the EUThe guidance points out that the
definition of hazardous waste.composition of the waste can often be
Under the landfill Directive, foridentified from knowledge of the process
example, operators have already had toor activity that produced it or from a
declare whether they are running a sitechemical/microbiological analysis of the
for "hazardous" or "non-hazardous"waste itself. Information on safety data
waste. It is already illegal, insheets can also help.
principle, for a non-hazardous site toThe guidance says that, where the holder
accept hazardous waste.cannot decide which substances might be
The EU definition also underpins thepresent, they should assume a worst case
framework for the ban on co-disposal, toscenario for each component and assess
be applied from July 2004. Hazardous andthe waste accordingly.
non-hazardous wastes will have to be"In the majority of cases there should
consigned to appropriate treatment andbe sufficient knowledge to assess a
disposal sites, and it will no longer bewaste. However, where the composition of
permissible to mix them in the samethe waste is not known the alternatives
landfill.include testing the whole waste for
Similarly, in the clinical waste field,hazardous properties or utilising the
hospitals have had a difficult timeprecautionary principle."
trying to work out which incinerationDangerous substances:
plants are suitable for particular wasteMany of the mirror entries are based on
streams.whether or not the waste in question
The EU definition of hazardous waste iscontains "dangerous substances". This is
set out in the new European Wasteto be assessed using the EU Directive on
Catalogue, which was adopted in 2000 anddangerous substances, which has been
amended through Commission decisions inimplemented in the UK through the CHIP3
2001. Helpfully, the Agency's newregulations.
technical guidance includes aFollowing the principles of CHIP3, the
consolidated version of the EWC, withnew guidance sets out two methods for
guidance on how to use it.assessing whether a mirror entry waste
In the EWC, hazardous wastes arecontains dangerous substances. The
identified using an asterisk against thepreferred method is to use the hazard
six-figure code for the waste inclassification given in the Approved
question. Some entries are "absolute",Supply List, which prescribes hazard
in that the waste in question is deemedinformation and classification for many
always to be hazardous. However, manycommon chemicals.
others consist of "mirror" entries, withHazardous properties:
the wastes being hazardous only if theFor a waste with a mirror entry to be
consignment contains dangeroushazardous it must display a hazardous
substances or possesses hazardousproperty. The new Agency guidance
properties.explains that this may be determined
For example, inorganic wastes containingeither by calculation or by tests.
dangerous substances are classified asFor many wastes, it says, the most
hazardous - with the EWC code 16 03 03*appropriate method is to identify the
- while other inorganic wastes have thehazardous constituents in the waste and
non-hazardous code 16 03 04. The EWCthen use their concentrations to
itself offers little advice on how toidentify whether they confer hazardous
determine which wastes fall into whichproperties on the waste. If a waste
category, but it does set out thresholdcontains dangerous substances at or
concentrations for some hazardousabove the stated "threshold
properties.concentrations" for any of the hazardous
Under the "duty of care" regime, UKproperties, it will be deemed hazardous.
industry is already having to apply the
new EWC codes when transferring wastesTesting may be appropriate in some
between sites. In England and Wales, thecases, such as identifying whether a
requirement was introduced by thewaste is flammable. Sometimes, where the
landfill regulations in 2002.waste composition is complex, testing
Many waste producers, and theirmay be the only option.



1 A B C D E F 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137