Ok tedi mine waste management. United States, for example, mining contributes less than one tenth of one percent of gross. This has resulted in elevated copper concentrations throughout the Ok Tedi/Fly River system, which The Ok Tedi Project involves the mining of copper and gold ores in one of the most difficult mining environments in the world. The OTML is a major producer of copper concentrate for the world smelting and refinery market in Germany, India, Japan, South Korea and the Philippines. River Sediment is an ongoing challenge from Ok Tedi Mining Limited’s operations. Manager- Waste Management at Ok Tedi Mining Limited Tabubil, Western, Papua New Guinea. Historically, the riverine disposal system annually discharged between 40 and 80 million tonnes (Mt) of tailings and waste rock into the headwaters of the Ok Tedi catchment. The Ok Tedi Mine in Papua New Guinea. A major consideration for the successful development of the mine is the disposal of some 1000 Mt of waste material. Ok Tedi Mining Limited (OTML, or the Company) is proudly a 100% owned Papua New Guinea (PNG). 4 million tonnes of tailings (2. Panguna, Ok Tedi, Porgera, Lihir, Ramu) but always with controversial environmental standards and social impacts often overlooked or ignored. at least $300-400 million on capital on the mine waste tailings project to remove pyrite from tailings. Talent management is a key part of Ok Tedi’s strategy. Ok Tedi Mining Limited’s safety CHAPTER 2. Jan 15, 2024 · Ok Tedi Mining Limited (OTML) has surpassed its annual sediment dredge target of 10 Million Cubic Meters (Mm3) and its rehabilitation target of 35 hectares for 2023 at its Bige Operations, located 125km from the mine. This marks a significant milestone for OTML, its shareholders and for Papua New Guinea in general and is a sign of the confidence the Board has in the company's ability to deliver over the next two decades. Hiroyuki Tsukamoto; Deputy General Manager – Raw Materials Department, Mr. 9 Moz of gold and 36. From the start of operations in 1984 to the end of 2022, Ok Tedi has produced 5. The SHEC Committee members are Mr Bonny Ninai (chairman), Mr Robert Kaiyun (member), and Mr Kedi Ilimbit (member). C. 3The Bougainville copper mine is the most notorious case in that history Oct 23, 2013 · The environmental damage caused by the Ok Tedi mine is extensive and, many scientists argue, likely to be irreversible. o n t r oversies linked with the large-scale mines in Melanesia larg e l y revolve around the environmental impact of their waste management strategies on the communities living downstream of the mine. The Ok Tedi Mining Limited Board has a number of standing committees to assist provide advice and recommendations on OK Tedi National Mine Safety Week. Contractors. Tailings and waste rock from the Ok Tedi mine are also discharged into the Fly River System, via the Ok Tedi. Nov 1, 2021 · The Ok Tedi mine discharges waste rock and tailings into the Ok Tedi River in Papua New Guinea. 1 The Ok Tedi Permit requires that waste rock disposed to failing dumps to the north and south of the main pit must satisfy an annual mean less than -150 kg H 2 SO 4 Mar 1, 2022 · OTML has endeavoured to reduce the copper loading into the river through improved mining practices and mitigation strategies such as lowering the allowable copper content of rock disposed of in waste rock dumps, improved recoveries in the milling circuits, the addition of limestone at the waste rock dumps and the mills to prevent acid-rock drainage, improved recovery of copper in the flotation Apr 9, 2021 · Ok TEDI MINING LIMITED Phone: +675 649 3000 www. • Integrate Ok Tedi Mining Limited (OTML) CSR Principles into planning processes to further support safe work practices and healthy communities; continue managing The effective management of sulfide mine waste tailings is a complex task because of the potential for acid rock drainage to harm aquatic ecosystems. Gold mine, and has a 52% stake, announced that it was reconsidering its role, saying that waste management procedures at the mine were not working (BBC 2000). waste rock in the Ok Tedi River. Mining is an essential activity for both economic prosperity and social development. Pages 9. The Fly is notable for its extraordinary biological diversity (Townsend and Townsend, 2004). 300-400 million on capital on the mine waste tailings project to remove pyrite Jan 7, 2022 · The Ok Tedi copper-gold mine is located at Mt Fubilan in the Star Mountains of Papua New Guinea, approximately 15 km north-west of the mining town of Tabubil Grist Project Management Marketing (current) Parametrix, Inc. 80 000 tonnes per day (tpd) of waste tailings and 121 000 tpd of mined waste rock which are discharged directly into the Ok Tedi/Fly River system. The mine produces an average of 160 000 tonnes of ore and waste daily at a 1:1 strip ratio. It is one of the chief mines globally. 100 %. THE OK Tedi Mining Limited (OTML) has had its mine life extension approved from 2023 to 2050, with an expected dividends payments in excess of K 30 billion, says chief executive officer Kedi Ilimbit. The livelihood of 50,000 people around the area has been disrupted. There are 158 villages in the Western Province where community life has been directly influenced by the presence of the mine. 190 followers 183 connections See your mutual connections Nov 1, 2020 · Mining is often portrayed as a contributor to sustainable development, especially so in developing countries such as Papua New Guinea (PNG). Our dredging operation reduces the amount of sediment in the rivers around our mine. ’. Management to assess materiality of non-financial matters, and outline benchmarks and best practices OTML would like to align with. Collaborative work experiences with Sep 25, 2023 · The Board of Ok Tedi Mining Limited (OTML) has approved in principle a further mine life extension from 2033 to 2050. Description: THE national mining safety week, which aims to promote safe operations of most mining companies in Papua New Guinea, it originated as an initiative of the chief inspector of mines from the PNG MRA. Ground elevations are 500–2200 m above sea level. Dredging was commissioned in 1998 to reduce sediment load reaching the Lower Ok Tedi and Fly River system. Imprint CRC Press. The copper price reflected two distinctly different periods of 2008. mine is due to close in 2015 Tabubil Head Office. About Us. Demerit Program Highlights _ NMSW 2023. 6 square kilometres. Since 1970, several large mines have been developed in PNG (e. More intense rainfall and flooding events have the potential to Jan 7, 2008 · This article examines an indigenous political movement that took legal action to gain compensation and limit the environmental impact of the Ok Tedi copper and gold mine in Papua New Guinea. Ok Tedi Mining Limited has a comprehensive environmental management program designed to limit environmental impacts and manage and monitor mining operation impacts. 6 August. A basic mining map of Papua New Guinea is shown in Figure 1. APAC Outlook issue 49 | 91. 99/oz recorded in 2008 were 25. 96/ oz and silver price of $14. domestic product yet is the largest Mar 22, 2023 · After some delays due to COVID-19, Ok Tedi Mining, the 100% PNG owned open-pit copper and gold mine located in the Star Mountains of the Western Province of Papua New Guinea, has become one of the few mining companies in the world to operates its own on minesite tyre pyrolysis plant. Our registered office is located in Tabubil, Western Province, PNG. Major Projects Highlights _ NMSW 2023. Community Relations. Our social license to operate is based on the Free, Prior and Informed Consent principles applied to the mine associated communities and the national and provincial governments. The mine is operated by Ok Tedi Mining Limited (OTML), a company jointly owned in the 1990s by the Australian mining company BHP, the PNG government, and Inmet Pty Ltd, a Canadian mining company. Mine waste management at Ok Tedi mine, Papua New Guinea: A case history - 1. Monitoring Dec 23, 2012 · Papua New Guinea's huge Ok Tedi gold and copper mine used to be a name synonymous with environmental disaster. Fubilan, in the headwaters of the Ok Tedi River, as a joint ownership between Broken Hill Proprietary Company (BHP) (52%), the Papua New Guinea state (30%) and Canadian miner Inmet (18%). began production in late 2012. Drilling and blasting procedures at Ok Tedi underwent a major review commencing Ok Tedi Mining Limited projects over K30 billion (US$8. During the 1980s and 1990s, the mine dumped an estimated 80,000 tonnes of The plant was installed by personnel from the mine Waste Management Department under the supervision of Hendrick Min, Manager – Waste Management Department, Ok Tedi Mining & Sandy Kelly, RPS The 1000 km long Ok Tedi/Fly River system receives about 66 Mt/year of mining waste from the Ok Tedi copper-gold porphyry mine. Developments in requirements of the Ok Tedi Environmental Management Act 2019 (OTEMA) as laid out in the Ok Tedi Permit. com Jun 18, 1998 · The mine produces approx. 39/oz and $13. Compliance Monitoring. The approval is based on the latest Strategic Business Plan submitted by the Executive Leadership Team and discussed during the OTML Built in 1990, the Porgera mine is one of only four mines in the world that practice the riverine disposal of mining wastes (Vogt 2012). This marks a significant milestone for OTML, its shareholders and for Papua New Guinea in general and is a sign of the confidence the Board has in the company’s ability to deliver over the next two decades. Phone: +675 649 3000. The approval is Our success is measured by safety performance, financial performance, social development programs and the management and mitigation of environmental impacts. 1 INTRODUCTION. Twenty years of diverse Government and Mining work Experience in; Mining Environment Industrial Site Management Aspects and Impacts, Waste Management Government and Mining Community Development Projects and Programs Implementation, Mining Operations Earth and Civil Works and Mining Area Rehabilitation. During 1999, approximately 15,400 tonnes per day of ore was processed at the Porgera concentration plant and the tailings disposed of into the Strickland River The average gold price of $871. Every day, 17,000 metric tonnes of mining tailings and waste rock are dumped into two major tributaries of the Porgera River. First Published 2000. Produce Annual Review using the GRI G3. OTML undertakes a comprehensive environmental monitoring program as governed by the Ok Tedi Agreement. NATIONAL MINE SAFETY WEEK LV and Mobile Equipment Safety 30 April – 05th May 2023. eBook ISBN 9781003078579. Jun 16, 2021 · SENIOR ENVIRONMENTAL OFFICER. Striking the correct balance between environmental protection and waste disposal expenditure is critical to the financial viability of the Project Jan 1, 2024 · DOI: 10. 3. Structure for OTML at 31 December 2021: Kumul Minerals Ok Tedi Ltd (State of PNG) holding 67% and Western Province entities 33%. Discussion around more reliable and effective controls and measures were Sep 22, 2023 · The Board of Ok Tedi Mining Limited (OTML) has approved in principle a further mine life extension of the Ok Tedi mine from 2033 to 2050 which will see the mine generate in excess K30 billion for the country. Based in Tabubil and reporting to Superintendent Industrial Site Management, you will be responsible for providing technical support across the OTML operation to ensure OTML’s legal obligation under the Ok Tedi Environmental Management Act are met. The Ok Tedi mine has one of the leading OTML completes a risk evaluation of several options for waste mitigating schemes and recommends an 18-month dredging trial on Lower Ok Tedi and continuing to assess the feasibility of tailings storage pipelines, with a final decision on a long-term mine waste management plan subject to the outcome of both efforts. Nov 25, 2023 · The Ok Tedi mine in Papua New Guinea discharges waste tailings into the Ok Tedi and Ok Mani Rivers, which are tributaries of the Fly River. 108530 Corpus ID: 266290745; A strategy for source control of acid mine drainage by intelligent management of mine wastes @article{Zhang2024ASF, title={A strategy for source control of acid mine drainage by intelligent management of mine wastes}, author={Yanjun Zhang and Hongbo Zhao and Wenmi Chen}, journal={Minerals Engineering}, year={2024}, url={https://api The open pit and two underground mines will be in operation till 2025. Hendrick Min, based in Papua New Guinea, is currently a Manager- Waste Management at Ok Tedi Mining Limited, bringing experience from previous roles at Ok Tedi Mining Limited. - Subscription is required. 2 mi) down the Ok Tedi and Fly rivers, raising river beds and causing flooding, sediment deposition, forest damage, and a serious decline in the area Patricia K. The Ok Tedi copper mine is situated in the upper drainage area of the Fly River in Papua New Guinea (PNG), near one of its branches, the Ok Tedi River. The past 28 years of mining activities have resulted in two massive rock glaciers, far more dramatic effects of the massive dumping of mine. Western Province entities (Landowners and the Provincial Government) hold a direct 33% interest in OTML, with representation on the Ok Tedi Board of Directors. mine, and has a 52% stake, announced that it was reconsidering its role, saying that waste management procedures at the mine were not working (BBC 2000). 2 Management Plans 3. Key monitoring programs measure the ongoing impacts of sediment deposition from treated tailings and waste rock into the riverine system, water quality, fauna and flora in the aquatic and terrestrial systems. Ilimbit said this marked a significant milestone for the mine, its shareholders and for the country in Jun 11, 2021 · The rehabilitation efforts by OTML epitmoses this year’s WED theme of ‘ecosystem restoration. The company has around 1,800 permanent employees, with a similar number of embedded contractors and than 1000 km downstream from a mountain mine, such as is the case for the large Ok Tedi mine in Papua New Guinea, which has affected the livelihoods of over 30,000 people, decreased fish stocks and caused extensive degradation of forests. Apr 1, 2024 · To address this knowledge gap, a case study was conducted at the Ok Tedi Mine with the aim of increasing the knowledge base on this topic and promoting sustainable mining practices in Papua New Guinea by enhancing the desulfurization process for sulfide waste tailings management. Mine input has increased the suspended sediment load of the Book Tailings and Mine Waste 2000. OTML is committed to conducting its operations in a socially responsible manner that respects cultural heritage and traditional rights. 1-15. The approval is based Sep 1, 2016 · It cost about US$1. Detailed Level Risk Assessment', prepared for Ok Tedi Mining, Ltd, pp. EHS Highlights _ NMSW 2023. In the. Townsend. By the 1990s the lower Ok Tedi up so much that it regularly overflowed its banks and deposited sterile sand on top of levees that had previously been the most garden sites for people living along the river. Although previous research has explored the environmental consequences of sulfide mine waste tailings and the potential advantages of desulfurization method, there is a lack of studies examining Jan 1, 1992 · Ok Tedi Mine is a high production open pit porphyry copper mine located high in the Star mountains of Papua New Guinea. On 7th March 2000, the BBC published further urging from the World Bank to the government of PNG that it should shut down the OK Tedi gold and copper mine. OK Tedi National Mine Safety Week Summary Report 2023. 1 framework. May 4, 2020 · Landslide monitoring and management is a challenging task in the remote, rugged and sparsely-populated Ok Tedi Mine area of Papua New Guinea (PNG). The main environmental impacts arising from mining operations are due to the large amounts of sediment discharged into the river system, which results in elevated levels of Geographical constraints, including steep terrain and high rainfall, at the Ok Tedi copper-gold mine in PNG’s Western Province present Ok Tedi Mining Limited (OTML) with significant challenges in mine waste management. 191–202. This has resulted in elevated copper concentrations throughout the Ok Tedi/Fly River system, which Ownership. The mine exports copper as a concentrate with contained gold and silver. Successful long-term mitigation of Acid Rock Drainage (ARD) involves placing a geochemical cover layer over the PAF waste and Apr 9, 2021 · The Ok Tedi mine originally planned to construct both a tailings dam and a waste rock dump to retain much of the mine derived waste during its mine life. This is based on the company’s current Strategic Business Plan which includes Life of Mine (LOM) extension to 2050, ushering in significant sustainable development for mine operation impacted communities, Western […] Ok Tedi Mining Limited (OTML) hosted esteemed representatives from Mitsubishi Materials Corporation (MMC), one of its leading customers of copper concentrate from Japan last week. 2023. A significant yet unknown amount of copper-rich material deposits unevenly in the extensive tropical lowland floodplain. Mine input has increased the suspended sediment load of the Middle Fly River about 5–10 times over the natural background. 1 Dakon Road, Tabubil, Western Province, 332, Papua New Guinea Sep 1, 2022 · The effective management of sulfide mine waste tailings is a complex task because of the potential for acid rock drainage to harm aquatic ecosystems. Developments in Ok Tedi operates a large-scale copper and gold mining and processing facility in the Western Province of Papua New Guinea, with ore mined from at an annual rate of 24 million tonnes. Although previous research has explored the environmental consequences of sulfide mine waste tailings and the potential advantages of desulfurization method, there is a lack of studies examining OK Tedi Mining Limited Readi Watch Fatigue Management Trial Day 3 of the program was around ‘Driver Fitness’ with a focus on Fatigue which is one of the top 3 contributing factors to the Light Vehicle and Mobile Equipment incidents at OK Tedi in the last 2 years. Side branches. Ownership. A 100% PNG owned company, Ok Tedi Mining Limited operates the longest running open-pit copper, gold and silver mine in Papua New Guinea. we've spent at least $300-400 million on capital on the mine waste tailings project to remove pyrite from OTML completes a risk evaluation of several options for waste mitigating schemes and recommends an 18-month dredging trial on Lower Ok Tedi and continuing to assess the feasibility of tailings storage pipelines, with a final decision on a long-term mine waste management plan subject to the outcome of both efforts. The SHEC Committee comprises two Non-Executive Directors, Managing Director and an OTML management representative. 1 Having originally opened for gold extraction in 1984, the operation diversified into copper production 3 years later. Among the distinguished visitors were General Manager – Raw Materials Department, Mr. , the volume of waste-to-product ratio can vary from 100:1 to 1000000:1) (Qi and Fourie, 2019). oktedi. Nov 29, 2020 · Introduction. Fubilan in the Western Province of Papua New Guinea. Waste management includes discharge of tailings into the local river system and storage of waste rock from the mine pit in waste rock dumps which erode into the river system Jan 26, 2014 · Papua New Guinea's National Court has ordered the Ok Tedi mining company to stop dumping waste into a river, a move which would effectively shut the mine. Masahide Iwataki; Manager – Raw Materials Feb 1, 2024 · The Ok Tedi mine discharges waste rock and tailings into the Ok Tedi River in Papua New Guinea. and URS Greiner Woodward Clyde ( 1999a) `Draft Executive Summary: Assessment of Human Health and Ecological Risks for Proposed Mine Waste Mitigation Options at the Ok Tedi Mine, Papua New Guinea. The company states: “Our Waste Management Department in About. Sep 22, 2023 · The Board of Ok Tedi Mining Limited (OTML) has approved in principle a further mine life extension from 2033 to 2050, marking a significant milestone for OTML, its shareholders and for Papua New Guinea (PNG) in general. 09% sulphur) and 27. Hendrick Min holds a Bachelor's degree @ Divine Word University. Jun 1, 2019 · Fish populations utilised by riparian populations along the Fly River, Papua New Guinea (PNG), downstream of the Ok Tedi gold and copper mine have markedly declined in species richness (between 21 and 90%) and biomass (between 57 and 87%) during the operation of the mine (Storey et al. The approval is based on the latest Strategic Business Plan submitted by the Executive Leadership Team discussed during the OTML Aug 5, 2011 · The construction of the Ok Tedi mine in western Papua New Guinea (PNG) began in 1981, with the first production commencing in 1984. Sep 21, 2023 · The Board of Ok Tedi Mining Limited (OTML) has approved in principle a further mine life extension from 2033 to 2050. The dredge removes at least 10 million Sep 19, 2013 · OK Tedi mine pipe spewing waste into the Fly river. 0 billion) in Social Benefits, which includes taxes, royalties, and dividend payments, over the next 27 years. g. In 2006, 48 million tonnes of waste rock (containing 1. , The Fly River Papua New Guinea. Ok Tedi Mining Limited (OTML) has come on board as a Gold Sponsor of the 2024 Geoscience, Exploration & Extraction (GEE) Conference and Exhibition with the presentation of K100,000 to event hosts, the Mineral Resources Authority (MRA). Recent alluvial Jul 1, 2022 · Introduction. The dredging program has been successful with the bed level of the Lower Ok Tedi dropping since the commencement of dredging and forest dieback declining. OK TEDI MINING LIMITED Tabubil Head Office 1 Dakon Road, Tabubil, Western Province, 332, Papua New Guinea joins the Fly River, which then flows into the Gulf of Papua (Figure I2). The dredging project, which is located at Bige in the Lower Ok Tedi, is about 80km from the mine. Direct. The Ok Tedi's waters flow into the Fly River, and thence into the Bay of Papua (see Map 1). ( ABC TV ) The PNG Sustainable Development Fund had owned 63 per cent of the mine, with the state owning the rest. Mining in Papua New Guinea (PNG) has had a troubled history, and many current operations continue to attract the critical interest of a range of local and international non-government or- ganizations. As a result, there has been an increase in sediment levels, heavy metals, and acid rock drainage in river systems, causing harm to plants, fish, and other aquatic species. This marks a significant milestone for OTML, its shareholders and for Papua New Guinea in general. Up to 240 thousand tonnes of overburden (waste rock) is mined each day from a pit covering about 2. However, in 1984, during the construction of the foundation for the tailings dam at Ok Ma, a landslide filled the area. OTML is a 100% nationally owned copper mining company that is located in the Western Province of Papua New Guinea and Kumul Minerals Holding Limited owns 67% share interests. It is also a sign of the confidence the board has in the company’s ability to deliver over the next two decades. To address this knowledge gap, a case study was conducted at the Ok Tedi Mine with the aim of increasing the knowledge base on this topic and promoting sustainable mining practices in Papua New Guinea by enhancing the desulfurization process for sulfide waste tailings man-agement. The Executive Leadership Team of Ok Tedi Mining Limited lead and manage the operations of the Ok Tedi Mine The Board of Ok Tedi Mining Limited (OTML) has approved in principle a further mine life extension from 2033 to 2050. These price levels assisted OTML’s strong revenue for the year. Reference: 20004011. Jan 16, 2013 · Since then Ok Tedi Mining Limited has remade itself. Edition 1st Edition. 2. 2% and 12% higher respectively than the $696. Ok Tedi Mining Ltd. 2. Subsequent state approval was given for an Interim Tailings Storage (ITS The Ok Tedi mine is an open-cut copper, gold and silver mine located at Mt. 3 Mm3 of river sediments and rehabilitated 40 hectares (ha) of sand stockpile in 2023. OTML National Mine Safety Week Report 2023 Ppt version. The mine is located on Mt. 66% sulphur) were delivered to the upper Ok Tedi river system. Even though the campaign sought to balance the desire for economic benefits with the protection of local subsistence practices, its objectives were Community & Social Development. The lack of a proper waste retention facility caused severe harm to the environment along 1000 km of the Ok Tedi and Fly Rivers. We also have a representative office in Port Moresby, PNG and a logistics facility in Brisbane, Australia. Environmental studies in an impacted tropical river system. 4 billion to develop the mine which sits near the headwaters of the Ok Tedi River in the highlands of Western PNG. Ben is married with four teenage children and while he is based in Tabubil, his roots remain in Brisbane where his family resides. Full scale drilling and blasting began in 1988, prior to which time all material was ripped and dozed. Ok Tedi Mining Limited (OTML) operates the Ok Tedi Mine, the longest running open-pit copper, gold and silver mine in Papua New Guinea. 1016/j. mining, simply because its environmental impact is so disproportionately great. Townsend and William H. 38/ oz recorded in 2007. Aug 31, 2017 · Fish populations utilised by riparian populations along the Fly River, Papua New Guinea (PNG), downstream of the Ok Tedi gold and copper mine have markedly declined in species richness (between 21 and 90%) and biomass (between 57 and 87%) during the operation of the mine (Storey et al. While the majority of this waste is benign rock, the sulphide and copper mineralisation contained within these wastes is of environmental concern. Sites such as Ok Tedi, Bougainville, and Freeport have become emblematic labels for t h e e n v i ro n m e n t a l e x c e s s e s ofl a rg e Bar, N, Kuira, P & Semi, J 2014, ‘Managing risk associated with erosion-driven slope instabilities with ground support & surface water management in a high rainfall environment at Ok Tedi Copper-Gold Mine’, Proceedings of Mastering Complex Projects Conference 2014, Engineers Australia, Barton, pp. DPHL Highlights _ NMSW 2023. com. This role provided him with key insights into underground mining, geology, and diamond drilling management. Any forum for the discussion of sustainability at a global level must include. This report is the fourth report prepared according to the GRI Core General Standard Disclosures of reporting and the Mining and Metals Sector . At the Panguna and Ok Tedi mines, tailings were directly discharged into the adjacent river systems, while waste rock was either directly dumped into the river or placed on easily erodible dumps. However, mining operations inevitably generate a large volume of waste material (e. The Ok Tedi mine-tailing dam was rapture/collapse since begging in 1984. Communities in the South Fly River area Kumul Minerals Holdings Limited as the majority shareholder of Ok Tedi Mining Limited (OTML) is excited to share OTML’s histories, highlights and achievements. Sep 22, 2023 · September 22, 2023 The National Business. May 1, 1997 · The 1000 km long Ok Tedi/Fly River system receives about 66 Mt/year of mining waste from the Ok Tedi copper-gold porphyry mine. mineng. The Bige Operations dredged 10. Manage three (3) scientific programs (ARD Management, Terrestrial Ecology and Aquatic Ecology) and a Field and Technical Support team that are responsible for the monitoring and studies undertaken along the Ok Tedi and Fly River from the Mine to the mouth of the Fly to assess mine impacts on the receiving environment. POM Office Highlights _ NMSW 2023. 4 Jan 7, 2013 · Ok Tedi Mining Limited CEO, Nigel Parker, says his company's mandate is unique. Available at: www. This achievement highlights the company’s dedication to Ok Tedi Mining Limited is a 100% PNG owned company that mines copper, gold and silver at Mt. Abstract: A critical element of the rehabilitation strategy for the Ok Tedi mine in Papua New Guinea (PNG) is the rehabilitation of the potentially acid forming dredge sand stockpiles at Bige on the banks of the Ok Tedi. Deepcore Highlights _ NMSW 2023. 17 Mt of copper, 15. 4 OK TEDI MINING LIMITED The Global Reporting Initiative’s (GRI) G4 reporting guidelines have been used in this Annual Review to guide the disclosure of non-financial material information. “Mining Geochemical Characteristics of River Deposited Mine Wastes and Associated Contact Waters Downstream of the Ok Tedi Mine, Papua New Guinea - Implications for ARD Management Go to Paper Evaluation of the Sulfide and Carbonate Distribution in Waste Rock Dumps and Development of Operational Guidelines for Acid Rock Drainage Control at the Ok Tedi The Ok Tedi mine, located in the Star Mountains of the Western Province of Papua New Guinea (PNG), began operations in 1984 and now predominantly produces copper concentrate. In addition, it is a main source of revenue for the country, and a source of income for the people. The United Nations Environment Programme has noted that the Ok Tedi mine site's "uncontrolled discharge of 70 million tonnes of waste rock and mine tailings annually has spread more than 10 km (6. gj wt yy oe rc uu xg ga oc lx