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TRANSFORMING         TRANSFORMING         TRANSFORMING
 SUSTAINABILITY REPORT  FY 2023                      COMMUNITIES           THE PLANET         THE WORKPLACE












 Tailings Management


 Tailings are the inevitable byproducts of             Tailings management is subject to various
 mining and the storage and management of              environmental regulations and failure to comply with
 •  Financial validation through a cost-benefit analysis (CBA) was performed to   these waste streams complement the mining   these can result in penalties, or even the suspension
 determine the economic viability of the process.   process. Tailings are toxic and need to be   of mining operations. It is thus clear, that the

 •  Finally, once all the evaluation parameters were satisfied the project was rolled   stored in secure areas, in compliance with   management of tailings and their storage is of
 out for implementation within a timeframe of six months.  regulations. For the mining industry   utmost importance and requires our complete
 worldwide, tailings management poses                  attention.
 The success of this waste valorization initiative highlights the immense potential   significant social, safety, and environmental
 that innovative ‘waste’ recovery and reuse carries in terms of resource   challenges across the entire lifecycle of   Tailings Management Facilities (TMF) are extremely
 conservation, cost control, business profitability and reduced industrial footprint.  mining operations. Tailings that are left   critical parts of the metals and mining processing
 unsecured can leach contaminants into                 cycle and failure to manage them properly, and as
 nearby water bodies, resulting in water               stipulated by law, can pose several forms of risk to
 The initiative has seen a steady increase in the replacement of commercially   pollution. Such pollution can harm aquatic   the company – from social and environmental, to
 procured Na SO  salts with internally produced ones, achieving a 58% utilization   ecosystems, and negatively impact the flora   economic and reputational. A TMF failure would
 2  4
 rate by September and a projected cost savings of Rs 24.60 million over a   and fauna that relies on these ecosystems.  mean the release of toxic residue into the
 six-month timeframe.                                  surrounding environment, habitat and/or
 Further, the tailings storage facility needs to       ecosystems, leading to significant loss of life,
 be well fortified as any breaches or                  extensive damage to infrastructure and the
 breakdowns can prove to be catastrophic,              environment. This can lead to loss of flora and fauna,
 Internal Utilization of RO ZLD Salt
 resulting in large-scale environmental                along with contamination of rivers and other
 disasters.                                            ecosystems. Such impact would be long-term and

 300  70%                                              extensive, thus difficult to control and treat. At
 250  58%  60%                                         Vedanta, we remain fully cognizant of these grave
 48%                                                   risks and are deeply committed to implementing a
 200  50%
 40%                                                   stringent framework for meticulous tailings
 150  30%  30%                                         management.
 30%
 100  20%
 20%
 50  5%  10%                                           Our management approach includes:
 85  124  128  254  222
 0  0%                                                 •  Comprehensive risk assessments for scoping,
 Apr’22  May’22  Jun’22  Jul’22  Aug’22  Sep’22          assessing and outlining the different kinds of risks
                                                         and their solutions;
 Na SO  salt consumption
                                                       •  Deployment of robust engineering and design
 4
 2
                                                         practices to ensure that the structures that house
                                                         the tailings are strong, secure and weather and
                                                         region-appropriate;
                                                       •  Conducting of regular monitoring and inspections,
                                                         and preparation of detailed emergency response
                                                         plans. Incorporation of industry best practices and
                                                         other high-tech features to enhance the safety
                                                         and resilience of our TMFs.





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