Xstrata Copper North Queensland.pdf - Mount Isa Mines
Xstrata Copper North Queensland.pdf - Mount Isa Mines
Xstrata Copper North Queensland.pdf - Mount Isa Mines
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Targets and scorecard<br />
Environment<br />
<strong>Xstrata</strong><br />
<strong>Copper</strong> <strong>North</strong><br />
<strong>Queensland</strong><br />
Division<br />
2010 Target Performance 2011 Target<br />
Achieve carbon intensity of 2.8 tonnes<br />
of carbon equivalents per tonne of<br />
contained metal<br />
Achieve energy intensity of 25 gigajoules<br />
per tonne of contained metal<br />
3.0 Achieve carbon intensity of 2.96 tonnes<br />
of carbon equivalents per tonne of<br />
contained metal<br />
29 gigajoules per tonne of contained<br />
metal<br />
Achieve energy intensity of<br />
28.5 gigajoules per tonne of<br />
contained metal<br />
<strong>Mount</strong> <strong>Isa</strong><br />
<strong>Mines</strong> copper<br />
operations<br />
Continue progression of Phase 2 Air and<br />
Phase 3 Water of Lead Pathways Study<br />
Draft Phase 3 (Water) report of the<br />
Lead Pathways Study received<br />
Complete and publish both Phase 2<br />
(Air) and Phase 3 (Water) of the Lead<br />
Pathways Study<br />
<strong>Xstrata</strong> <strong>Copper</strong> Smelter Emissions Project<br />
team to complete feasibility studies<br />
Engineering studies and actions<br />
ongoing, work through continuous<br />
improvement plan actions<br />
<strong>Xstrata</strong> <strong>Copper</strong> Smelter Emissions Project<br />
team to continue with high priority<br />
actions in continuous improvement plan<br />
Review Air Quality Control Centre<br />
operation improvements and processes<br />
Review completed and improvements<br />
implemented<br />
Achieve 300 litres of fresh water per<br />
tonne of ore milled at the copper<br />
concentrator<br />
209 litres of fresh water per tonne of<br />
ore milled<br />
Achieve 260 litres of fresh water per<br />
tonne of ore milled at the copper<br />
concentrator<br />
Average 7.0 megalitres per day of mine<br />
dewatering into the recycled water circuit<br />
Averaged 7.7 megalitres per day<br />
Average 7.0 megalitres per day of mine<br />
dewatering into the recycled water circuit<br />
Ernest Henry<br />
Mining<br />
Maintain tailings underflow density at<br />
68% solids<br />
Raw water consumption<br />
< 410 litres per tonne of ore treated<br />
Re-use > 80% of pit and bore<br />
groundwater<br />
Rehabilitate 25 ha on the waste rock<br />
dumps<br />
Average underflow density of<br />
71% solids<br />
Maintain tailings underflow density at or<br />
above 71% solids<br />
373 litres per tonne of ore treated Achieve a 10% reduction in raw water<br />
consumption over 2010 use<br />
49% of pit and bore groundwater<br />
reused (refer to Environment section)<br />
25.2 ha of waste rock dumps<br />
rehabilitated<br />
Reuse ≥ 80% of pit and bore<br />
groundwater<br />
Rehabilitate 50 ha on the waste rock<br />
dumps<br />
Townsville<br />
copper refinery<br />
Townsville port<br />
operations<br />
Zero Category 2 (minor) and Zero<br />
Category 3 (significant)<br />
environmental incidents<br />
Zero non-compliances with licence<br />
conditions<br />
Two Category 2 (minor)<br />
environmental incidents occurred<br />
at the copper refinery in 2010<br />
(refer page 104)<br />
Zero Category 3 (significant)<br />
environmental incidents<br />
Zero non-compliances<br />
Zero Category 2 (minor) and Zero<br />
Category 3 (significant) environmental<br />
incidents<br />
Zero non-compliances with licence<br />
conditions<br />
Zero regulatory actions or fines Zero regulatory actions or fines Zero regulatory actions or fines<br />
Undertake an independent biodiversity<br />
study of Stuart Creek<br />
Zero Category 2 (minor) and<br />
Zero Category 3 (significant)<br />
environmental incidents<br />
Zero non-compliances with licence<br />
conditions<br />
Study completed (refer to case study<br />
on page 103)<br />
Zero Category 2 (minor) and<br />
Zero Category 3 (significant)<br />
environmental incidents<br />
Zero non-compliances with licence<br />
conditions<br />
Zero Category 2 (minor) and<br />
Zero Category 3 (significant)<br />
environmental incidents<br />
Zero non-compliances with licence<br />
conditions<br />
Zero regulatory actions or fines Zero regulatory actions or fines Zero regulatory actions or fines<br />
Achieved Not achieved Action continues into 2011<br />
Sustainability Report 2010 11