Aspect
Potential Impact
Risk Rating
Risk Controls
Residual Risk Rating
Treatment
L
C
R
L
C
R
Amendment does not propose any
changes to rehabilitation strategies or
objectives in a way that results in
different impacts on environmental
values or increases environmental
harm than what is previously
permitted under the EA.
An assessment of the physical and chemical
The land outcome to be achieved is a
properties of the tailings will be completed
Inability to achieve a
Non Use Management area to match
following cessation of tailings discharge to
rehabilitated site that
that approved for other mine features
inform closure and capping strategies.
is safe, non polluting,
in the EA.
Possible Moderate 13
Unlikely Moderate
9
stable and able to
Given lack of suitable material onsite to
Land
Amendment seeks to assign similar
sustain an
borrow, import strategy and amelioration
rehabilitation commitments that exist
appropriate land use
methods will be developed towards end of
for the Sandstone Gully TSF to the
TSF life.
upper Mundic Gully TSF justified on
the basis that the tailings properties
are similar as they originate from the
same processing plant.
Rehab methodology well defined to
achieve a safe, stable and non
polluting landform.
Adverse effects on
The proposed will result in the
Potential impacts on land from construction
Possible High
13
Unlikely Moderate
9
the environmental
reduction of contaminant sources via
and operation of the Upper Mundic Gully TSF
203
Wulguru Technical Services Pty Ltd – Supporting Information to Amend an Environmental Authority
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