State and trends of contaminated Antarctic sites

Very poor,Poor,Good,Very good

Terrestrial section of Thala Valley clean-up finalised; some material remains in the nearshore marine environment

Year(s): 
2016
4
Improving
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Comparable

Terrestrial section of Thala Valley clean-up finalised; some material still left in nearshore and marine environment

Year(s): 
2011
4
Improving
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed

Historical fuel spill (1980s)

Year(s): 
2016
2
Stable
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Comparable

Historical fuel spill (1980s)

Year(s): 
2011
2
Stable
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed

Fuel spill at main powerhouse (1999); contaminants reached the melt lake from which fresh water is obtained for the station

Year(s): 
2016
4
Improving
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Comparable

Fuel spill at main powerhouse (1999); contaminants reached the melt lake from which fresh water is obtained for the station

Year(s): 
2011
3
Improving
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed

Abandoned station (built in 1957); old tip site and fuel cache are still present and contain a large volume of contaminated material

Year(s): 
2016
2
Stable
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Comparable

Abandoned station (built in 1957); old tip site and fuel cache still present and contain a large volume of contaminated material

Year(s): 
2011
2
Stable
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed

Old tip site near Davis research station

Year(s): 
2016
2
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Comparable

Old tip site

Year(s): 
2011
2
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Fuel spill (2010)

Year(s): 
2016
3
Improving
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Old tip site, large land-based debris removed. Some material remains in the nearshore marine environment

Year(s): 
2016
2
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Comparable

Old tip site, large land-based debris removed; some material still left in nearshore marine environment

Year(s): 
2011
2
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Historical fuel spill (1980s)

Year(s): 
2016
3
Improving
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Comparable

Historical fuel spill (1980s)

Year(s): 
2011
3
Improving
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed

Historical fuel spills (1980s–2000)

Year(s): 
2016
3
Improving
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Comparable

Historical fuel spills (1980s-2000)

Year(s): 
2011
3
Improving
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed

Leakage of 3500 litres of special Antarctic blend fuel from above-ground fuel line. Containment barriers were constructed and an extensive area (less than 5000 m2) of contaminated soil requiring treatment and remediation was identified

Year(s): 
2016
2
Stable
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed
Klekociuk A, Wienecke B (2016). Antarctic environment: State and trends of contaminated Antarctic sites. In: Australia state of the environment 2016, Australian Government Department of the Environment and Energy, Canberra, https://soe.environment.gov.au/assessment-summary-77-state-and-trends-contaminated-antarctic-sites, DOI 10.4226/94/58b65b2b307c0