bold spirit - ArcelorMittal South Africa

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80 ArcelorMittal South Africa Annual Report 2010 Environmental performance continued We remain committed to fulfilling our responsibility of rehabilitating so-called “legacy sites” which may have suffered soil and groundwater pollution at a time when environmental standards and legislation were less comprehensive than they are today. The most significant raw materials used in our steel making process are listed below by weight: Waste type Weight Iron ore 7 200 541 Coal 4 700 046 Dolomite 502 434 Limestone 565 614 Scrap 1 092 014 Soil and groundwater pollution We remain committed to fulfilling our responsibility of rehabilitating so-called “legacy sites” which may have suffered soil and groundwater pollution at a time when environmental standards and legislation were less comprehensive than they are today. An environmental provision amounting to approximately R1 222 million is in place to take care of the required rehabilitation needs throughout the group. The following provides an update on the rehabilitation progress being made at various sites: • Vaal waste disposal site – located at Vereeniging Works close to the Vaal River: the site remains closed in accordance with the directive issued by the Green Scorpions in 2007 and we completed the removal of all magnetite in 2009. We are still awaiting feedback from the authorities on the rehabilitation plan proposal submitted in 2008 by the company. Rehabilitation cannot commence until we have received feedback and the necessary sanction from the authorities. • Mooiplaats waste disposal site – located 10km west of Pretoria Works at the Mooiplaats Quarry: during the year we received authorisation to proceed with rehabilitation and are currently in the tender process to identify suitable contractors to cap the site. • Zwartkops waste disposal site – located east of the Zwartkops race-track in Pretoria: we continue negotiations with the owners of this site, who contested the findings of an external study they commissioned to determine the environmental risk posed by the site. We remain confident that further discussions and the promulgation of new waste classification systems will lead to resolution of the issue. • Dunswart waste disposal site – located south of Benoni: the EIA, placed on hold in 2009 and 2010 due to financial constraints, will be revived in 2011 and we look forward to being able to rehabilitate the site once the necessary studies and authorisation procedures are complete. Illegal occupation of this land may cause further delays. • Klip waste disposal site – located on the banks of the Klip River close to Vereeniging Works: rehabilitation
81 ArcelorMittal South Africa Annual Report 2010 of this site was placed on hold in 2009 but the project was brought back on line in 2010. A Waste Management Licence was issued and the potential requirement for a Water Use Licence resolved. Work will commence in 2011 to remove tarry waste from the premises. • Dam 10 – located on the Vanderbijlpark Works premises: remediation of this important dam is nearing completion. Groundbreaking rehabilitation/remediation methods involving the use of bacteria (biological treatment) are being used to reduce the organic contamination levels in the dam sediments. It covers an area of 80 hectares, making it one of the biggest rehabilitation/remediation exercises to date tackled in South Africa. It was the main source of ground water pollution in the surrounding areas and the process of drying it out commenced in 2004. • Maturation ponds – located on the Vanderbijlpark Works premises: these ponds are in the process of being remediated and the successful biological treatment options used in Dam 10 are also being used in this pond system. Organically polluted coke-making effluent was stored in these ponds in the past. The major advantage of using biological treatment options is that organic pollutants are reduced to acceptable levels, thereby significantly reducing disposal volumes. • Capping of the existing slag disposal site at Vanderbijlpark Works: 39 hectares (one third of the existing site) was capped during 2010 at a cost of R45 million to limit the ingress of rainwater into the waste body, thereby reducing the generation of potentially harmful leachate from the site. A phased approach will be adopted until 2014 to cap the remainder of the existing disposal site. A new disposal site was constructed during 2010 at a cost of R30 million in order to phase out the existing site. The phasing out of the existing disposal site by end of 2010 is a requirement stipulated in the Water Use Licence of Vanderbijlpark Works. Our main environmental goals for the year ahead are listed below: • Continue to focus on legal compliance and improving compliance levels even further. Start implementing our strategies to comply with the timelines stipulated to achieve the required emission levels in terms of NEMAQA. There will be a strong focus on our coke-making facilities. • Commission the sinter emission abatement project at Vanderbijlpark Works, which will significantly reduce priority pollutants like particulates and SO 2 . • Continue with the implementation of the Newcastle Works’ ZED project. • Continue with the rehabilitation/ remediation of our contaminated legacy sites
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Annual Report 2010 bold spirit
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