(AN ISO-9001, ISO & OHSAS CERTIFIED ORGANIZATION)

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1 (AN ISO-9001, ISO & OHSAS CERTIFIED ORGANIZATION) Ref.No. E&S/02/001/ (O) (R) Date: 29 th Nov Fax No. :: : To The Director (Impact Assessment), Ministry of Environment, Forests & Climate Change, Govt. of India, 5 th floor, Paryavaran Bhawan, CGO Complex, Lodhi Road, NEW DELHI Sub: Half yearly Compliance Status on Environment Clearance pertaining to the period from April 2016 to Sept Ref.: Your Office Memorandum No.J-11011/65/2008-IA.II (I) dt Dear Sir, Please find enclosed herewith half yearly compliance status on Environment Clearance pertaining to Alumina Refinery, NALCO, Damanjodi for the period from April 2016 to Sept.2016 along with a write up CD in Word format to post the same in your web site. Thanking you, Yours faithfully, for NATIONAL ALUMINIUM COMPANY LTD., Encl.:: as above. ( PRAFULLA Ku. PATRA) DY.GENERAL MANAGER (Chem)-E&S CC :: Director Ministry of Environment & Forests, Govt. of India, Eastern Regional Office, A/3-Chandrasekharpur, BHUBANESWAR (Odisha). ED(M N A T I O N A L A L U M I N I U M C O M P A N Y L I M I T E D ( A Government of India Enterprise & NAVARATNA Company ) MINES & REFINERY COMPLEX, DAMANJODI , KORAPUT, ORISSA Phone: (office); (Fax) Cell: ; pkpatra@nalcoindia.co.in Regd;. Office, Nalco Bhawan, P/1, Nayapalli, Bhubaneswar

2 MOEF ENVIRONMENT CLEARANCE Dated FOR ALUMINA REFINERY(2.1 MMTPA TO MMTPA F. No.J-11011/65/2008-IA.II(I) dt Sl.No Point Description Status A. SPECIFIC CONDITIONS: i. Compliance to all the specific and general conditions stipulated for the existing plant by the Central/State Govt. shall be ensured and regular reports submitted to the Ministry and its Regional Office at Bhubaneswar. ii. Adequate air pollution control measures viz. Electrostatic precipitator(s) at calciner and boiler stacks and bag filters at other places provided shall control gaseous emissions within 50 mg/nm 3. No new stack shall be installed in the proposed expansion of Alumina Refinery. On-line continuous monitoring device for SPM and SO 2 shall be provided to check SPM and SO 2 emissions levels. Low NO X burners shall be installed to control the NO X emissions. The height of the stacks shall be as per the CPCB guidelines for the dispersion of SO 2. Provision for flue gas desulphurization devices (FGD) shall also be kept to control SO 2 emissions. The emissions shall conform to the standards prescribed by the Ministry/CPCB/OPCB whichever is more stringent. Gaseous emissions shall be regularly monitored and records maintained and reports submitted to this Ministry including its Regional Office at and reports submitted to the Ministry s Regional Office at Bhubaneswar, CPCB and OPCB six monthly. All the other parameters including SPM, SO 2, NO X and Poly-Aromatic Hydrocarbons (PAHs) prescribed for the Alumina Refinery plants shall be followed. iii. Fugitive emission from red mud disposal area shall be controlled by water sprinkling. Bag filters with dust collectors shall be provided to Alumina loading area, bauxite crushing area, coal & ash handling areas and lime handling area to control the dust emissions. Dust suppression and dry fog system shall be provided in Bauxite and coal handling areas. Garland drain shall be created at red mud and fly ash disposal areas iv. The National Ambient Air Quality Emission Standards issued by the Ministry vide G.S.R. No. 826(E) dated 16 th November, 2009 shall be followed. All the specific and general conditions stipulated by Central /State Govt. are ensured, regularly monitored and compliance report submitted to the SPCB & MoEF. i) Emission through Calciners stack maintained below 50 mg/nm 3 and Boilers stack maintained as per SPCB consent condition i.e. below 150 mg/nm 3. However, the revamping process of Boiler #2 ESP is in progress for further reduction of SPM. The height of the stacks are well within the CPCB Guidelines for both Boilers & Calciners. ii) On line monitoring device for SPM, SO 2, NO X, installed in Boilers and in Calciners for continuous monitoring. iii) Gaseous emissions are regularly monitored and monthly reports along with analysis results are being submitted to SPCB every month and six monthly reports to CPCB & MoEF. iv) All other parameters including PAH are also monitored by external NABL approved Laboratory. v) Emission analysis is attached in Annexure-1 i) Water sprinklers have been installed in the dry portion of Red Mud Pond to control fugitive emission. ii) Bag filters have been provided at Calcination Plant, & Alumina Handling plant for fugitive dust control. iii) Water sprinklers and dust extraction System has been provided at Coal & Ash Handling areas for dust suppression. iv) High capacity scrubber system and piping conveyor installed in Lime handling area for fugitive dust control. v) Dry fog system provided in bauxite handling area for dust control. vi) Garland drains have been provided in Red Mud Pond and Ash Pond area. Agreed and the standards are being followed. Page-1 of 7

3 v. All the Poly-Aromatic Hydrocarbons (PAH) including Phenanthrene and Fluorathrene shall be controlled within the permissible limit, monitored quarterly and report submitted regularly to the Ministry and its Regional Office at Bhubaneswar CPCB / OPCB. vi. Gaseous emission levels including secondary fugitive emissions from all the sources shall be controlled within the latest permissible limits issued by the Ministry and regularly monitored. Guidelines/Code of Practice issued by the vii. viii. ix. CPCB shall be followed. Efforts shall be made to make use of rain water harvest. If needed, capacity of the reservoir shall be enhanced to meet the maximum water requirement. Only balance water requirement shall be met from other sources. Total water requirement from Kerandi River shall not exceed m 3 /day. The wastewater shall be treated in existing effluent treatment plant (ETP) and reused in the process. Oily wastewater from oil storage tank and oil unloading area shall be treated in treatment plant. The process effluent shall be recycled to the plant and Zero discharge shall be adopted. The sanitary waste will be treated in sewage treatment plant (STP) and used in ash slurry disposal. As reflected in the EIA/EMP report, all the wastewater from the Alumina Refinery shall be properly treated in the effluent treatment plant (ETP). Zero effluent discharge shall be strictly followed and no wastewater shall be discharged outside the premises. Extensive measures shall be undertaken for the recycle/reuse of the treated wastewater in the process. Oil wastewater shall be treated in API separator and routed to reclamation pond for recycling. The domestic wastewater shall be treated in the sewage treatment plant (STP) and treated wastewater conforming to the standards for land application shall be used for green belt development. x. Regular monitoring of influent and effluent surface, sub-surface and ground water shall be ensured including Total Organic Compounds (TOC) including Arsenic, Cyanide, Phenol and COD shall be monitored and treated wastewater shall meet the norms prescribed by the State Pollution Control Board or described under the E(P) Act whichever are more stringent. PAH is being monitored and being reported. Analysis of PAH parameter of Boiler & Calciner flue gas conducted by External Laboratory during January 2016 was observed to be Below Detection Limit (BDL) All the gaseous emissions are regularly monitored, controlled and maintained within the latest permissible limits. Three (03) numbers of Rain Water harvesting structures have been installed at Alumina Refinery near HRD Training Centre & Administration building premises. Consultancy has been awarded for another Rain Water Harvesting structures at Township. Water drawn & used from Kerandi River is within the permissible limit of 6 MGD. Oily water from oil storage tank and oil unloading area are being separated in OWS pit and its outlet water quality is maintained within the norm. O&G concentration of plant outlet storm water drain is below 0.5 mg/ltr. NALCO, Refinery has adopted the Zero discharge concept since its inception. The process effluent is being recycled for process use. The sanitary waste water, after treatment is being utilized for horticulture purpose. The concept of zero discharge is being strictly followed. Process effluent is recycled for process use. Domestic waste water after treatment in STP is being utilized for green belt development inside Alumina Refinery & Township. (Analysis Report of STP treated water is enclosed in Annexure-2). Analyzed and results are within the prescribed norms (Annexure-3). Page-2 of 7

4 xi. xii. xiii. The company shall adopt high concentration slurry disposal system for red mud and ash disposal and water from red mud and ash pond disposal area shall be recycled back and reused for slurry disposal. HDPE lining shall be provided to avoid any leakage to the ground. Leachate collection facilities shall be provided to the secured landfill facility (SLF). Proper care shall be taken to ensure no run off or seepage from the red mud disposal site to natural drainage. Efforts shall also be made to find out productive uses of red mud in brick and ceramic products etc. STP sludge shall be utilized as manure for green belt development. All the used oil and batteries shall be sold to the authorized recyclers/re-processors. Monitoring of ground water quality around the red mud and ash ponds shall be undertaken by providing piezometeric holes in consultation with the OPCB/SGWB/ CGWB and data submitted to the Ministry Regional Office and OPCB. A leachate study shall be undertaken and report submitted to the Ministry s Regional Office at Bhubaneswar, OPCB and CPCB within six months of commissioning of the expansion project. Proper care shall be taken to ensure no run off or seepage from the red mud disposal site to natural drainage. Efforts shall be made to find out productive uses of red mud in manufacturing brick and ceramic products etc. The industry shall also take steps to utilize red mud and fly ash to maximum extent by itself and shall provide all facilities to other potential users. Red mud and fly ash shall be disposed off in the existing disposal facilities only. No land for red mud and fly ash disposal shall be acquired. High concentration slurry disposal system (TTD) is in use for red mud discharge to RMP. Action initiated for HCSD Ash Slurry pumping to Ash Pond. RMP & Ash pond reclaimed water is being utilized for process and Fly ash pulping respectively.(annexure-3) Care has been taken to ensure no run off and seepage from Red Mud Pond, which is periodically monitored. Efforts have been made for productive use of Red mud for brick making and cement production. M/s.JNARDC in collaboration with M/s Manishree Refractory has developed Red mud brick. Red Mud is supplied to M/s.Toshali Cements & M/s Ambuja cement for production of ferrosilicon cement on experimental basis. R&D projects in collaboration with IIT, IIMT and other research institutes are going on for commercial utilisation of red mud. STP sludge is used as manure for green belt development. All the used oil and batteries are auctioned to the authorized recyclers/re-processors.. Piezometers have been installed on the dams of both Ash Pond and Red Mud Pond. Monitoring of ground water quality is being carried out and results are found within the norms (attached in Annexure- 4). No run off from Red Mud Pond to natural drains. Garland drains are provided. Water quality of nearby drains are being monitored. Red Mud and Fly Ash is disposed to existing disposal facility i.e to red Mud Pond & Ash Pond respectively in slurry form. M/s.JNARDC in collaboration with M/s.Manishree Refractory has developed Red mud brick. M/s.NALCO is in contact with Cement Plants to utilize red mud in cement manufacturing. Few other ongoing R&D projects on Red Mud utilization are : 1. Hydro metallurgical replenishment of Red Mud for extraction of rare earth elements (La, Ce, Sc etc.) and its purification. 2. Extraction of Fe 2O 3 from Red Mud. 3. Fly ash is being utilized for Agriculture, cement, brick and road making. Pond ash is being utilized for reclamation of low lying areas. Annual flyash implementation report is submitted to SPCB & MoEF. Page 3 of 7

5 xiv. xv. xvi. xvii xviii Proper utilization of fly ash shall be ensured as per Fly Ash Notification, 1999 and subsequent amendment in 2003 & All the fly ash shall be provided to cement and brick manufacturers for further utilization and Memorandum of Understanding shall be submitted to the Ministry s Regional Office at Bhubaneswar. A Risk and Disaster Management Plan along with the mitigation measures shall be prepared and a copy submitted to the Ministry s Regional Office at Bhubaneswar, OPCB and CPCB within 3 months of issue of environment clearance letter. Occupational health surveillance of the workers shall be done on a regular basis and records maintained as per the Factories Act. As proposed, green belt of adequate width and density shall be provided in 33% area to mitigate the effects of fugitive emissions all around the plant with local species in consultation with the DFO as per the CPCB guidelines All the recommendations made in the Charter on Corporate Responsibility for Environment Protection (CREP) for the Alumina Refinery Plants shall be implemented. Following R&D projects have been taken up which are as follows. 1. Lab scale development and production of wear resistant ceramic tiles from NALCO fly ash(iit,kharagpur/nalco) 2. Industrial scale investigation of development of wear resistant ceramic tiles from Nalco Coal ash(iit Kharagpur/NALCO). 3. Investigation on recovery of alumina from Nalco fly ash through pyro/hydrometallurgical route. (IMMT, Bhubaneswar). 4. A comprehensive R&D agreement has been signed with M/S Chaleico, china for development of iron concentrate from red mud. 5. Proposal for development of Geo polymer concrete by using Fly Ash & Red mud is going on. Efforts have been made to increase fly ash utilization. Ash Implementation Report & annual utilization status reports are being submitted to SPCB & MoEF. Utilization for the year = 98.67%..Risk and Disaster Management Plan along with the mitigation measures prepared and submitted to the ministry earlier. Occupational Health Surveillance of Workers is being done regularly as per Factories Act and record is being maintained. Green belt is being developed with local species during monsoon season of every year in consultation with DFO and as per CPCB Guidelines. Till now an area of hectares has been covered for green belt development against total area of 2956 hectares, which is more than 33%. Total number of saplings planted during the year is 31,625 & for FY (till date) is 30,500 As per CREP guideline, two issues (i) Phasing out disposal of Red Mud & (ii) Utilisation of Red mud come under the purview of Alumina Refinery Plant. Red Mud is disposed in Slurry form (55% concentration) through Thickened Tailing disposal (TTD) method. A number of projects are going on for commercial utilization of Red Mud. Page-4 of 7

6 xix. At least 5 % of the total cost of the project shall be earmarked towards the corporate social responsibility and item-wise details along with time bound action plan shall be prepared and submitted to the Ministry s Regional Office at Bhubaneswar. Implementation of such program shall be ensured accordingly in a time bound manner. xx. The company shall provide housing for construction labour within the site with all necessary infrastructure and facilities such as fuel for cooking, mobile toilets, mobile STP, safe drinking water, medical health care, crèche etc. The housing may be in the form of temporary structures to be removed after the completion of the project. B. GENERAL CONDITIONS : i. The project authorities must strictly adhere to the stipulations made by the Orissa Pollution Control Board (OPCB) and the State Government. ii. No further expansion or modifications in the plant shall be carried out without prior approval of the Ministry of Environment and Forests. iii. The gaseous emissions from various process units shall conform to the load/mass based standards notified by this Ministry on 19 th May, 1993 & standards prescribed from time to time. The Orissa Pollution Control Board (OPCB) may specify more stringent standards for the relevant parameters iv. keeping in view the nature of the industry and its size & location. At least four ambient air quality monitoring stations shall be established in the downward direction as well as where maximum ground level concentration of SPM, SO 2 and NO X are anticipated in consultation with the OPCB. Data on ambient air quality and stack emission shall be regularly submitted to this Ministry including its Regional Office at Bhubaneswar and OPCB, CPCB once in six months. v. In-plant control measures for checking fugitive emissions from all the vulnerable sources shall be provided. Further, specific measures like water sprinkling around the coal stockpiles and asphalting or concreting of the roads shall be done to control fugitive emissions. vi. vii. Industrial wastewater shall be properly collected, treated so as to conform to the standards prescribed under GSR 422 (E) dated 19 th May, 1993 and 31 st December, 1993 or as amended form time to time. The treated wastewater shall be utilized for plantation purpose. The overall noise levels in and around the plant area shall be kept well within the standards (85 dba) by providing noise control measures including acoustic hoods, silencers, enclosures etc. on all sources of noise generation. The ambient noise levels shall conform to the standards prescribed under EPA Rules, 1989 viz. 75 dba (day time) and 70 dba (night time). An independent body is set-up by NALCO under the name of NALCO FOUNDATION to look after CSR activities. A sum of Cr has been allocated on CSR head for NALCO Collective. Temporary structure with all amenities had been provided to construction workers, adjacent to Plant boundary near CISF Colony & Mathalput PHC nearer to alumina plant. Agreed & being adhered. Noted and agreed. Noted and Agreed. 4 nos. of AAQM Stations are in operation i.e at CISF Colony, Water Treatment Plant, Community Centre & NALCO Club. Data on Ambient Air Quality and stack emission are being submitted to the SPCB on monthly basis and half yearly EC compliance report to Ministry/CPCB/SPCB. Ambient Air Quality Analysis report is attached in Annexure-5. and analysis report of four numbers of AAQM Stations is attached in Annexure-6. Control measure for checking fugitive emission at vulnerable locations have been provided. Specific measures like water sprinkling, Scrubbing & dry Fog System have been adopted for control of dust emission. The analysis results of fugitive emission are attached in Annexure-7. Industrial waste water is collected at a pond and recycled for process use. The wastewater from STPs is utilized for green belt development after treatment. Noise control measures are taken to keep the noise levels within the standards. Noise level analysis results are enclosed at Annexure-8 Page- 5 of 7

7 viii. ix. Occupational health surveillance of the workers shall be done on a regular basis and records maintained as per the Factories Act. The company shall develop rain water harvesting structures to harvest the rain water for utilization in the lean season besides recharging the ground water table. x. The project proponent shall also comply with all the environmental protection measures and safeguards recommended in the EIA / EMP report. Further, the company must undertake socio-economic development activities in the surrounding villages like community development programs, educational programs, drinking water supply and health care etc. Suggestions made during the public hearing shall be implemented. xi. As proposed, Rs Crores and Rs Crores shall be earmarked towards total capital cost and recurring cost/annum for environmental pollution control measures. All the funds allocated shall be judiciously utilized to implement the conditions stipulated by the Ministry of Environment and Forests as well as the State Government. The funds so provided shall not be diverted for any other purpose. xii. xiii. xiv. The Regional Office of this Ministry at Bhubaneswar/ CPCB/OPCB shall monitor the stipulated conditions. A six monthly compliance report and the monitored data along with statistical interpretation shall be submitted to them regularly. The Project Proponent shall inform the public that the project has been accorded environmental clearance by the Ministry and copies of the clearance letter are available with the OPCB and may also be seen at Website of the Ministry of Environment and Forests at This shall be advertised within seven days from the date of issue of the clearance letter, at least in two local newspapers that are widely circulated in the region of which one shall be in the vernacular language of the locality concerned and a copy of the same shall be forwarded to the Regional office at Bhubaneswar. A copy of clearance letter shall be sent by the proponent to concerned Panchayat, Zila Parishad / Municipal Corporation, Urban Local Body and the local NGO, if any, from whom suggestions / representations, if any, were received while processing the proposal. The clearance letter shall also be put on the web site of the company by the proponent. Occupational Health Surveillance of Workers is being done regularly as per Factories Act and records are being maintained. Three (03) numbers of Rain Water Harvesting structures have been installed at Alumina Refinery near HRD Training Centre &, Administration building. Consultancy awarded for another Rain Water Harvesting unit. i. Alumina Refinery is undertaking peripheral development & CSR activities through an independent body NALCO Foundation in the surrounding villages. ii. Mobile medical vans along with medicines & qualified Medical Personnel engaged for health care of peripheral villagers. The earmarked amount kept for environmental pollution control measures is not diverted and the same used for the particular purpose only. However the expenditure incurred towards environmental pollution measures is given below; : Rs Crores : Rs Crores : Rs Crores Officials of SPCB Regional Office visits the Plant on regular basis in every month for Sampling, inspection and monitoring of stipulated conditions. Six monthly compliance report submitted to the Ministry/CPCB/SPCB and monthly report to SPCB. Informed to public through news paper advertisement in the specified language and copy submitted to the regioal office earlier. Copy of clearance letter sent to all concerned earlier. Page-6 of 7

8 xv. xvi. xvii. xviii The project proponent shall upload the status of compliance of the stipulated environment clearance conditions, including results of monitored data on their website and shall update the same periodically. It shall simultaneously be sent to the Regional Office of the MOEF, the respective Zonal Office of CPCB and the OPCB. The criteria pollutant levels namely; SPM, RSPM, SO 2, NOx (ambient levels as well as stack emissions) or critical sectoral parameters like Total Organic Compounds (TOC) including cyanide, phenol and COD etc. indicated for the projects shall be monitored and displayed at a convenient location near the main gate of the company in the public domain. The project proponent shall also submit six monthly reports on the status of the compliance of the stipulated environmental conditions including results of monitored data (both in hard copies as well as by ) to the respective Regional Office of MOEF, the respective Zonal Office of CPCB and the SPCB. The environmental statement for each financial year ending 31 st March in Form- V as is mandated to be submitted by the project proponent to the concerned State Pollution Control Board as prescribed under the Environment (Protection) Rules, 1986, as amended subsequently, shall also be put on the website of the company along with the status of compliance of environmental conditions and shall also be sent to the respective Regional Offices of the MOEF by . 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 commencing the land development work. Monitoring & Compliance reports are being submitted to SPCB on monthly basis and Half Yearly compliance status of EC conditions are being submitted to MoEF..Ambient air quality parameters and stack emission data are being displayed at the main gate and uploaded in the company s website. Compliance reports are being submitted regularly within stipulated time. Environment Statement for each financial year is being submitted annually to SPCB. The latest statement uploaded in the Company s Website. Environment Statement for shall be submitted to SPCB & MoEF by June Agreed, followed and informed. DY.GENERAL MANAGER (Chem)-E&S Page-7 of 7

9 ANNEXURE-1 NATIONAL ALUMINIUM COMPANY LIMITED MINES & REFINERY COMPLEX, DAMANJODI ENVIRONMENT & SAFETY DEPARTMENT STACK EMISSION (SPM in mg/nm 3 ) Sl. No Stack SPC Board Norms APRIL 16 MAY 16 JUNE 16 JULY 16 AUG 16 SEPT Calciner-A Calciner-B Calciner-C Calciner-D Boiler-I Boiler-II Boiler-III Boiler-IV Boiler-V DY.GENERAL MANAGER (Chem)-E&S

10 ANNEXURE-2 NATIONAL ALUMINIUM COMPANY LIMITED MINES & REFINERY COMPLEX, DAMANJODI ENVIRONMENT & SAFETY DEPARTMENT EFFLUENT WATER ANALYSIS REPORT (FROM APRIL 16 to SEPT 2016)) Sl. No. Parameters Norms Sewage Treatment Plant -III Sewage Treatment Plant -IV 01 ph TSS (mg/ltr) Oil & Grease 10 (mg/ltr) NO OVERFLOW NO OVERFLOW 04 TDS (mg/ltr) 2100 DURING THIS DURING THIS 05 BOD 5 days 30 PERIOD PERIOD (mg/ltr) 06 COD (mg/ltr) CN (mg/ltr) As (mg/ltr) 0.2 NOTE: There was no overflow during this period. The treated water is used for green belt development. ANALYSIS REPORT OF STP OUTLET Sl. PARAMETERS Norms APRIL 16 MAY 16 JUNE 16 JULY 16 AUG 16 SEPT 16 No. STP III OUTLET 01 ph TSS (mg/ltr) TDS(mg/ltr) Oil& Grease (mg/ltr) BOD (mg/ltr) COD (mg/ltr) STP IV OUTLET 01 ph TSS (mg/ltr) TDS(mg/ltr) Oil& Grease (mg/ltr) BOD (mg/ltr) COD (mg/ltr) DY.GENERAL MANAGER (CHEM) - E&S

11 ANNEXURE-3 Sl. No. NATIONAL ALUMINIUM COMPANY LIMITED MINES & REFINERY COMPLEX, DAMANJODI ENVIRONMENT & SAFETY DEPARTMENT RECYCLING OF POND RETURN WATER (From April 2016 to Sept 2016) Month RED MUD WATER ASH POND WATER Percentage of Water Recycled from Pond (%) Quantity of Ash slurry disposed to pond (m 3 ) Quantity of Water Returned from Pond (m 3 ) 01 APR MAY JUN JUL AUG SEPT DY.GENERAL MANAGER (Chem)- E&S

12 ANNEXURE-4 NATIONAL ALUMINIUM COMPANY LIMITED MINES & REFINERY COMPLEX, DAMANJODI ENVIRONMENT & SAFETY DEPARTMENT GROUND WATER ANALYSIS REPORT (From APRIL 2016 To SEPT 2016) Locations ph Value of Bore well water / Ground Water Mathalput Anlabadi Kantabaunsani RMP (Dam-I) RMP (Dam-II) Ash Pond (Dam-5) Period APR MAY JUN JUL AUG SEPT DY.GENERAL MANAGER (Chem)-E&S

13 ANNEXURE-5 NATIONAL ALUMINIUM COMPANY LIMITED MINES & REFINERY COMPLEX, DAMANJODI ENVIRONMENT & SAFETY DEPARTMENT AMBIENT AIR QUALITY (microgram/m 3 ) (From April 2016 to Sept ) APRIL 16 MAY 16 JUNE 16 JULY 16 AUG 16 SEPT 16 STATIONS PM 10 PM 2.5 PM 10 PM 2.5 PM 10 PM 2.5 PM 10 PM 2.5 PM 10 PM 2.5 PM 10 PM 2.5 Laboratory Building CISF Barrack Nalco Community Center NALCO Club Transit House Red Mud Pond Ash Pond Bandhuguda Anlabadi Colony DY.GENERAL MANAGER (Chem)-E&S

14 ANNEXURE-6 NATIONAL ALUMINIUM COMPANY LIMITED MINES & REFINERY COMPLEX, DAMANJODI ENVIRONMENT & SAFETY DEPARTMENT AVG ANALYSIS REPORT OF AAQMS (microgram/m 3 ) (From APRIL 2016 to Sept 2016) (average value of the period) PARAMETERS NORMS ( micro gm/m3) CISF NALCO CLUB NALCO COMMUNITY CENTER WT PLANT PM PM SO NO DY.GENERAL MANAGER (Chem) E&S

15 ANNEXURE-7 NATIONAL ALUMINIUM COMPANY LIMITED MINES & REFINERY COMPLEX, DAMANJODI ENVIRONMENT & SAFETY DEPARTMENT FUGITIVE EMISSION (microgram/m 3 ) (From APRIL 2016 to SEPT 2016) Sampling PM- 10/PM- 2.5 (Norms: 100/60 microgram/m 3) Location APRIL 16 MAY 16 JUNE 16 JULY 16 AUG 16 SEPT 16 Bauxite Handling Area 56.8/ / / / / /37.3 (Crusher House) Water Treatment Plant 46.7/ / / / / /24.6 Alumina Handling Area 62.4/ / / / / /27.3 Lime Handling Coal Handling 50.6/ / / / / / / / / / / /30.7 SGA/Zeolite Plant Area 32.4/ / / / / /21.9 DY.GENERAL MANAGER (CHEM)-E&S

16 ANNEXURE-8 NATIONAL ALUMINIUM COMPANY LIMITED MINES & REFINERY COMPLEX, DAMANJODI ENVIRONMENT & SAFETY DEPARTMENT NOISE ANALYSIS REPORT (dba) (From April to Sept. 2016) Month : APRIL 2016 Location Norm Lab Building Main Gate Emergency Gate Canteen Angle Station Day Time Night Time Month : MAY 2016 Location Norm Lab Building Main Gate Emergency Gate Canteen Angle Station Day Time Night Time Month : JUNE 2016 Location Norm Lab Building Main Gate Emergency Gate Canteen Angle Station Day Time Night Time Month : JULY 2016 Location Norm Lab Building Main Gate Emergency Gate Canteen Angle Station Day Time Night Time Month : AUG 2016 Location Norm Lab Building Main Gate Emergency Gate Canteen Angle Station Day Time Night Time Month : SEPT 2016 Location Norm Lab Building Main Gate Emergency Gate Canteen Angle Station Day Time Night Time DY.GENERAL MANAGER (Chem)-E&S