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1 .,vedanta - transforming elements ;,"-'-~-;--, 8:.~;":-~':_~2:' (-:>--...~ /"",...,:::-'.~ '..;_.j / (DiS,)'! '~" b bus: -, \\'t \. ::-.~:t,::". 15{~~\t~:::~ ) \, "".<q.,.~../ ',<~,:~?>:-,-.- -<i' VL-SC/HSE/MOEF&CC/2017/04 December01, ~ \~ n sterlite copper ~~ditional Principal Chief Conservator of Forests (C), C.I p.~-r7 Ministry of Environment, Forest and Climate Change, ~'1 ~,~= Regional Office (SEZ), ~1cf1 '(.. 1st & 2nd Floor, Handloom Export Promotion Council, c. 1t- Ir 2_ I J 7-34, Cathedral Garden Road, Nungambakkam, ~/. J\~,[\\ Chennai / I" J. C!. -p}.o~~ Respected Sir, Sub: Vedanta Ltd. - Copper Smelter, Thoothukudi - Compliance Report of MoEF&CC Environmental Clearance - Reg. Ref: Environment Clearance No: J /24/2006-IA II (I) dated: With reference to the above mentioned subject and cited reference, we would like to submit the Compliance report for the period April '17 to September '17. This is for your kind information and records. Thanking You, Yours faithfully, For Vedanta Limited, ~ (J\,~ P.Divakaran Associate Vice President. Copy to: The Director, Ministry of Environment, Forests & Climate Change, New Delhi. Vedanta Limited Sterlite Copper: SIPCOT Industrial Complex. Madurai Bypass Road, Thoothukudi (Tamil Nadu) _ T: F: Website: Registered Office: 1st Floor, C Wing, Unit 103, Corporate Avenue, Atul Projects, Chakala, Andheri IE} Mumbai (Maharashtra) _ CIN: L13209MH1965PLC '

2 Compliances of conditions imposed in the Environmental Clearance (1200TPD) issued by MOEF vide letter No. J11011/24/2006-IA 11(1)Dated: No Conditions I Compliance Status A Specific Conditions: 1 The gaseous emission from various process units All stack emissions & ambient air values are shall conform to the standards prescribed by the analyzed by Tamil Nadu Pollution Control Board concerned authorities from time to time. The TNPCB (TNPCB) & Vedanta Limited regularly. may specify more stringent standards for the relevant Reports on water quality, stack emission & ambient parameters keeping in view the nature of the industry air quality are submitted to TNPCB on monthly and its size and location. At no time the emission basis. Refer Annexure - 1. levels should go beyond the prescribed standards. In Trips & Interlocks system along with online the event of failure of any pollution control system analyser is available in all process stacks and adopted by the unit, the respective unit shall not be online stack analyzers are connected to Care Air restarted until the control measures are rectified to Centre, TNPCB & CPCB server. achieve the desired efficiency. 2 Electrostatic precipitators (ESP) and scrubbers shall ESPs and Scrubbers are being operated on a continuous basis and the scrubber effluents are being sent to Effluent Treatment Plant (ETP) for treatment. On-line continuous S02 analyzers are installed in all process stacks with inter-lock provision for tripping incase the emissions exceeds the be provided to control gaseous emissions. All the scrubbed S02 shall be sent to ETP. On-line analyzers and stack emission monitoring equipments for continuous monitoring of S02, NOx, and SPM shall be installed and all the pollution control measures shall be inter-locked. The emissions shall conform to the standards prescribed by the Ministry/CPCBITNPCB which ever is more stringent and data collected shall be submitted regularly to the Ministry/ Regional Office at Bangaloreand TNPCB. 3 All the recommendations made in the Charter for Corporate Responsibility for Environment Protection (CREP) shall be strictly followed. As per the action plan submitted to the ministry, S02 emission limit shall be less than 1 Kg/ton of H2S04 produced and acid mist limit of 50 mg/nm3 shall be achieved. 4 Fugitive dust emissions in the handling area and at various transfer points shall be controlled by providing scrubbers, dust suppression system and ventilation system in work environment and monitored for prevailing contaminants regularly. prescribed limit. In addition, online continuous SPM analysers are installed in Smelter process stacks. On regular basis, the unit is submitting Environmental analysis reports to MoEF&CC / TNPCB. Further, all the process stacks have been connected to Care Air Centre, TNPCB, Chennai and CPCB for real time monitoring. All the recommendations of CREP are fully complied with. Tail gas scrubber are installed in both Sulphuric Acid Plants to scrub off residual gases and brought down the level of S02 less than 1 kglt of sulphuric acid produced and acid mist less than 50 rnq/nrn''. The unit has complied with the emission norms. Dust Control Measuresat Material Handling area: All material handling is through mechanized, covered conveyors. Material unloading is being done in covered sheds. Bag filters are installed at Rock Phosphate handling area. Vacuum suction facility and auto-sampler provided for concentrate tippers. The unit has installed bag house prior to ISA Fugitive Gas De-sulphurisation System (FGDS) and converter secondary gas scrubbers. Page 1 of 3

3 51. Conditions No Compliance Status 5 ETP cake and scrubber cake shall be stored in ETP cake is being stored in Secured Landfill (SLF) secured landfill (SLF) at the site till TSDF in Tamil and the design of SLF is as per CPCB guidelines. Nadu is functional. The location and design of the Scrubber cake is being utilized for sustainable landfill site shall be approved by the TNPCB as per applications. Hazardous Wastes (Management and Handling Ground water sample around SLF is being Rules, The ground water quality around the monitored periodically by TNPCB and Vedanta Ltd. landfill site shall be monitored and data submitted to ESP Dust is recycled back to smelter. the ministry/tnpcb. ESP dust and lime grit shall be Lime grit is being recycled partially into ISA furnace recycled in the smelter. Slag shall be sold to the and excess quantity is being sold to external cement plants or used for shot blasts applications. parties. Gypsum shall be sold to cement plants and other Slag is currently being disposed for abrasives users. All the used oil and batteries shall be sold to applications, land filling, road, cement and concrete the authorized recyclers/ reprocessors. applications. Gypsum is beinq sold to cement plants and other users and the despatch rate is more than the generation quantity. Used oil is being recycled back in smelter for combustion. Used batteries are being taken by the original suppliers on the basis of buy-back agreement and 6 Total water requirement shall not exceed 10,050 m3/day as per permission accorded by the T.N. Water and Drainage Department. Prior permission of competent authority should be obtained for drawal of the water and safeguards suggested by them shall be implemented. All the treated waste water shall be reused in the smelter plant and 'Zero' discharge shall be adopted. No wastewater shall be disposed off outside the premises. Domestic effluent shall be treated in septic tank followed by soak pit. partially auctioned to authorized recyclers. Total water consumed is around 9,600 m3/day, which is well within 10,050 m3/daylimit. Entire Treated water is being reused in process. 'Zero Liquid Discharge' is being maintained in the plant since inception. Domestic effluents are treated in Sewage Treatment Plant (STP) and sewage treated water is being used for greenbelt development within plant premises. 7 Green belt of adequate width and density around the Greenbelt developed in 43 Ha area. project site shall be developed in 43 ha. out of total ha. As per CPCB guidelines in consultation with the DFO 8 All the environmental conditions stipulated by the ministry for the 5x130 MW captive power plant vide letter no.j-11011/82/2003-iaii (I) dated 22nd September, 2004 shall be implemented. Green belt coverage is developed in consultation with DFO / NEERI. The unit has not received any environment clearance for setting up 5x130 MW CPP by the Ministry and had already requested exemption for this condition vide our letter SIlUHSE/MOEF/07/04 dated to the ministry. 9 Occupational Health Surveillance of the workers Pre-employment medical check-up is an essential should be done on a regular basis and records pre-requisitefor all new-entrants. maintained as per the FactoriesAct Annual medical check-up is being done to all workers regularly and records are maintained as per FactoriesAct. Annual medical check-up tests include personnel well-screening tests, Noise Induced hearing loss test, Lung Function tests and X-Ray. Half yearly medical check-up is conducted for personnel working in hazardous areas and records maintained as per FactoriesAct. 10 The company shall develop rain water structures to Rain water is being collected in rain water harvest the run off water for recharge of ground catchment facilities and used for process instead of water in consultation with the Central Ground Water raw water. Authority /Board Page 2 of 3

4 SI. No B General Conditions: Conditions The project authorities must strictly adhere to the stipulations made by the Tamil Nadu Pollution Control Board (TNPCB) and the State Government 2 No further expansion or modifications in the plant shall be carried out without prior approval of the Ministry of Environment and Forests 3 Adequate number of influent and effluent quality monitoring stations shall be set up in consultation with the TNPCB. Regular monitoring shall be carried out for relevant parameters. 4 The project proponent shall also comply with all the environmental protection measures and safeguards recommended in the EIA report. 5 As proposed in EINEMP, Rs Crores earmarked towards environmental protection measures shall be exclusively used to implement the conditions stipulated by the Ministry of Environment and Forests and State Government. A time bound action plan along with the implementation schedule to comply with all the conditions stipulated herein shall be submitted to the Ministry's Regional Office at Bangalore. The funds so provided shall not be diverted for any other purpose 6 The implementation of the project vis-a-vis environmental action plans will be monitored by Ministry's Regional Office at Bangalore / TNPCB / CPCB. A six monthly compliance status report shall be submitted to the monitortnq agencies. 7 The Project Proponent shall advertise in at least two local newspapers widely circulated in the region around the project, one of which shall be in the vernacular language of the locality concerned informing that the project has been accorded environmental clearance by the Ministry and copies of the clearance letter are available with the TNPCB and may also be seen at Website of the Ministry and Forests at The advertisement shall be made within 7 days from the date of issue of the clearance letter and a copy of the same should be forwarded to the Ministry's Reqional Office at Banqalore 8 The Project Authorities shall inform the Regional Office as well as the Ministry the date of financial closure and final approval of the project by the concerned authorities and the date of start of land developmentwork I Compliance Status The stipulations laid down by the TNPCB with respect to Air, Water, Solid Waste are being strictly adhered by Vedanta Limited. Monitoring reports are being sent on monthly, quarterly basis to both TNPCB and MOEF&CC, RO. No activity will be carried out without prior approval of the MOEF&CC. The unit is regularly monitoring the influent and treated water quality in our Environmental Laboratory so as to have control over the process. The influent and treated water samples are being collected and analysed for critical parameters on a monthly basis by TNPCB. All the recommended environmental protection measures and safeguards in EIA report are implemented. The fund allocated for environmental protection measures used exclusively to implementthe conditions. Report is being submitted as per stipulated frequency i.e. once in six months. The accorded Clearance was Newspapers. Communicatedto authorities. MoEF Environmental published in local Page 3 of 3

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10 30 Phosphoric Acid Plant Fluorine Scrubber Stack ~_ ~ ~ ~ M E bo E 15 14, A 10 ~Fluorine... Standard 5 o ~ ~ ~ ~ Apr-17 May-17 Jun-17 Jul-17 Aug-17 Sep-17

11 Phosphoric Acid Plant Dust Scrubber Stack ~ ~-~ ~ ~ ~ M E QII E SPM Standard 20 o ~ ~ ~ ~ , Apr-17 May-17 Jun-17 Jul-17 Aug-17 Sep-17

12 2.00 Ground Water Quality Fluoride Monitoring :::::::. till 0.80 E Apr-17 May-17 Jun-17 Jul-17 Aug-17 Sep-17 _ SOUTH-EASTOFSLAGYARD _EAST OFSLAGYARD _SOUTH OFSLFCELL- 2&3 _NORTH-WEST OFSLFCELL-4 _NORTH OFSLFCELL-4 ~NORTH-EAST OFSLFCELL-4 _EAST OFSLFCELL-4 -WEST OFGYPSUMPOND -NORTH OFGYPSUMPOND _NORTHEAST OFGYPSUMPOND _EAST OFGYPSUMPOND _BOREWELLAT MEELAVITAN _OPENWELL AT MADATTURIOPPTO KOVIL) _OPEN WELLAT MADATTURENTRANCE _BOREWELL AT PANDARAMPATI -OPENWELL AT SILVERPURAM -BOREWELLATT.VPURAM _''cm BOREWELLAT KAYALOORANISCHOOL BOREWELLAT KUMARARETTIYARPURAM STANDARD

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