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Sustainability Report 2015 25
Inputs
Labour
148,924 hours
Ore mined
743,935 tonnes
Electricity
28,690,897 kilowatt hrs
Gas
478,929 gigajoules
Diesel
4,764,498 litres
Ground support
1,074 tonnes
Explosives
803 tonnes
Cement
7,214 tonnes
Reagents - Grinding media
664 tonnes
Water
2,125,294 kilolitres
Reagents - Copper sulphate
469 tonnes
Lubricants & oils
198,847 litres
Emissions
Carbon dioxide
53,957 CO
2
-e tonnes
Carbon monoxide
64,001 kilograms
Oxides of nitrogen
154,012 kilograms
Sulfur dioxide
169 kilograms
Volatile organic compounds 7,563 kilograms
Particulate matter (<10μm) 399,722 kilograms
Particulate matter (<2.5μm)
7,299 kilograms
Products
Ni in ore delivered
10,198 tonnes
Cu in ore delivered
723 tonnes
Cu in concentrate
7,380 tonnes
Zn in concentrate 44,999 tonnes
Ag in concentrate 1,876,384 ounces
Au in concentrate
4,439 ounces
Au in bullion
148,924 ounces
Inputs
Mining and processing
Other materials
Tailings (Wet tonnes) 2,479,978 tonnes
Waste rock
348,432 tonnes
Materials to landfill
720 tonnes
These figures do not include inputs and outputs from Tropicana Gold Mine JV, with the exception of gold output which is included.
Additional information on IGO’s emissions can be found on the National Pollutant Inventory website.
Rehabilitation
Newly rehabilitated land 1 hectare
Recycling
Water
Oil
Metals
Products
FIGURE 6
IGO INPUTS AND OUTPUTS
ORGANISATIONAL PROFILE