Environmental Data Summary
Waste
| Aluminium | Base Metals | Carbon Steel Materials | Stainless Steel Materials | Energy Coal | Petroleum | Diamonds & Specialty Products | BHP Billiton Total | |
|---|---|---|---|---|---|---|---|---|
Waste Oil (kilolitres1) |
||||||||
| Total amount generated | 1,460 | 4,160 | 5,570 | 680 | 1,790 | 2,360 | 970 | 17,000 |
| Amount recycled/reused on-site | 0 | 450 | 0 | 30 | 60 | 100 | 0 | 650 |
| Amount burnt as fuel on-site2 | 0 | 600 | 10 | 0 | 0 | 0 | 260 | 880 |
| Amount sent for recycle/reuse/burning off-site | 850 | 3,030 | 5,550 | 610 | 1,410 | 2,230 | 520 | 14,190 |
| Amount disposed to landfill | 610 | 50 | 0 | 40 | 230 | 0 | 0 | 940 |
Mineral Waste Classified as Hazardous3 (tonnes) |
||||||||
| Total amount generated | 6,849,290 | 2,891,600 | 6,960,900 | 766,470 | 635,160 | 1,170 | 20 | 18,104,590 |
| Amount recycled/reused | 0 | 1,098,290 | 72,300 | 323,470 | 0 | 0 | 0 | 1,494,060 |
| Net amount disposed | 6,849,180 | 1,791,460 | 6,953,150 | 442,990 | 635,160 | 1,170 | 20 | 16,673,130 |
Other Hazardous Waste4 (tonnes) |
||||||||
| Total amount generated | 58,890 | 3,010 | 27,730 | 532,270 | 1,950 | 4,210 | 360 | 628,410 |
| Amount recycled/reused/treated on-site | 0 | 650 | 300 | 501,160 | 10 | 0 | 20 | 502,140 |
| Amount sent to be recycled/reused/treated off-site | 42,480 | 1,680 | 18,690 | 3,610 | 480 | 670 | 440 | 68,070 |
| Amount disposed to landfill | 16,260 | 570 | 8,690 | 27,410 | 1,460 | 3,850 | 20 | 58,250 |
Non-hazardous Drilling Muds & Cutting (tonnes) |
||||||||
| Net amount disposed | 10 | 650 | 0 | 0 | 0 | 82,390 | 190 | 83,240 |
General Waste5 (tonnes) |
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| Total amount generated | 19,650 | 59,390 | 46,920 | 14,900 | 11,070 | 21,630 | 260 | 173,940 |
| Amount recycled/reused/composted | 14,310 | 5,470 | 15,610 | 6,820 | 5,040 | 700 | 120 | 48,170 |
| Amount incinerated | 0 | 210 | 0 | 10 | 40 | 190 | 0 | 460 |
| Amount disposed to landfill | 5,340 | 53,470 | 31,080 | 8,070 | 6,110 | 20,770 | 140 | 124,990 |
Note:
- One kilolitre is equal to 103 litres.
- This group is separated from other uses, as combustion of waste oil is included in energy and greenhouse gas emission calculations.
- Includes mineral waste such as tailing, sludge, residue, fume dam mud and slag that are classified as hazardous in some jurisdictions (e.g. due to their leaching characteristics).
- Other hazardous waste includes: asbestos, radioactive materials, heavy metals, hazardous baghouse filter dust, spent pot lining, solvents, paint and thinners, acids, alkalis, tarry residues, land and other materials contaminated with hydrocarbons and chemicals, certain type of fly ash, pesticides, and any drilling muds and cuttings that are classified as hazardous.
- General and domestic wastes disposed of at 'normal' (nonhazardous) landfill sites, including paper and cardboard, metals, glass, plastics, organic (garden and food), building and construction, office furniture and equipment, and e-waste (computer hardware).
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