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CPP/E&S / 2019 /896 30-12-2019 To The Chief Conservator of Forest (Central) Ministry Of Environment , Forest & Climate change Government Of India, Eastern Regional Office A/3, Chandrasekharpur, Bhubaneswar.PIN-751 023 Sub :-Half-yearly compliance status (April’2019 to Septembe’2019) to the Environmental

clearance for 2nd phase expansion (Unit 9 & 10) project for CPP,NALCO. Ref:- i) Environmental clearance No- J-13012 / 9/2004.IA-II (T),dated 30.07.2004 ii) Amendment of EC No. J-13012/9/2004.IA-II(T)dated 06-02-2014

Sir, With reference to the above please find enclosed herewith the compliance status to the conditions of Environmental clearance issued by of MoEF, New Delhi for Captive Power Plant, NALCO expansion project for the period April’2019 to Septembe’2019. Thanking you. Yours faithfully,

DGM (E&S),CPP,NALCO Encl: 1. Compliance status of EC given by MoEF, for Unit-9&10 2. Compliance status of EC given by MoEF for Unit-7&8 3. Compliance status of NOC given by OSPCB, for Unit-9&10 4. Compliance status of NOC given by OSPCB, for Unit-6,7 &8 Copy to: -Director (Impact Assessment) Ministry Of Environment & Forest Government Of India, 5th floor,Paryavaran Bhavan, CGO Complex, Lodi Road,New Delhi-110 003.

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MINISTRY OF ENVIRONMENT & FORESTS REGIONAL OFFICE,BHUBANESWAR.

Monitoring Report Part - I

DATA – SHEET

1. Project type Captive Power Plant, NALCO. Power generation mainly for its Smelter Plant.

2. Name of the project National Aluminum Company Limited Captive Power plant, At/PO- Nalconagar Dist –Angul,ODISHA. PIN- 759-145

3. Clearance / Approval letter (S) No. & Date.

No. J-13012 / 9/2004.IA-II(T), dated-30.07.2004

4. Location a) District(s) b) State(s)

c) Latitudes/Longitudes

a)Dist:- Angul b)State:- Odisha c) 280 50” / 850 6”

5.Address of correspondence a) Address of concerned Head of

organization (with Pin code & telephone/telex/fax Nos.)

b) Address of Head of the project (with Pin code & telephone/telex/fax

Nos.)

Sri A P Panda General Manager, CPP,NALCO Angul, 759145 ODISHA 06764-220158 / FAX-06764-220646 Sri C R Swain General Manager (Projects),CPP, NALCO Angul, 759145 Odisha 06764-220723 / FAX-06764-222726

6.Salient features: a)of the project

b) of the environmental management plans.

a) Existing capacity- 10x120 = 1200 MW Basic Engg- M/s BHEL Consultant- M/s MECON, Ranchi. b) i) ESP with two parallel gas path having

efficiency of 99.92 %. ii) 220 mt. tall stack for wide dispersion of pollutants. iii). On-line analyzer for measuring SPM, SOx,

Nox and CO. iv). Adequate dust suppression system.

7.Break up of the project areas ( in Ha) Forest area Non- forest area Total:

Not Applicable Total area acquired for CPP (Existing + Expansion) = 816.53 Hectare

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8. Break up of project affected population. Village wise details along with R&R package to be given.

Not Applicable since the expansion of CPP has taken place within the existing boundary of the Plant and no new land has been acquired.

SC /ST / Adivasis Others

Number of oustees. Homestead Land Land less / Oustees Artisans

Not Applicable 9.Financial Details: a) Project cost as originally planned and

subsequent revised estimates and the years of price reference.

b) Allocations made for environmental

management plans, with item wise & year wise break up.

c) Benefit cost ratio/internal rate of return & the year of assessment.

d) Whether ( c) includes the cost of environmental as shown in (b) above.

a) Project cost- 1151.80 crores (for Unit#9 & Unit#10) Year of price reference- 2005 b) Being a turnkey project, all environmental pollution control equipments are part of the main project. c) Not applicable d) Not applicable

e.) Actual expenditure incurred on the environmental management plans so far

Chimney (Unit-9&10) - 17.82 crore. Ash Handling system- 28.88 crore. ESP of Unit-9 &10- 47.00 crore HCSD system- 53.36 crore.

10 Status of construction: a) Date of commencement (actual and/or

planned) b) Date of completion (actual and /or planned) c) Date of commissioning

a) April’2006(actual commencement) b) July’2009 (Unit-9) Aug’2010 (Unit-10) c) Aug’2009 (Unit-9) d) Aug’2010 (Unit-10)

11.Project progress details Components 1.Engineering and other project

components 2.Environmental Management and pollution

Control components

Dates of Construction Completion commissioning

1. All engineering project component for Unit-9 & 10 completed 100%.

2. All environemental management and pollution Control components like Construction of ESP,High Concentration Slurry Disposal (HCSD) system,Sewage Treatment Plant (STP) are completed 100%.

Date:- 30-12-2019

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COMPLIANCE STATUS OF ENVIRONMENTAL CLEARANCE CONDITIONS IMPOSED BY MINISTRY OF ENVIRONMENT & FOREST (MoEF)FOR EXPANSION OF CAPTIVE POWER

PLANT 9th & 10th UNIT, AS ON 01-12-2019

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CONDITION

PRESENT STATUS

REMARKS

i

All the conditions stipulated by Orissa State Pollution Control Board vide their letter No. 14877 dated 17th April,2004 should be strictly implemented.

All the conditioned stipulated by OSPCB will be implemented.

Compliance status is furnished separately at page No- 08 of this report.

ii

No additional acquisition of land would be permitted including ash pond area.

No additional land has been acquired for Project work including Ash Pond.

Complied

iii.

Coal requirement will be 1.4 MTPA and supplied from Mahanadi coalfield ltd through MGR system of transportation. Ash and sulphur will be 40% and 0.5% respectively. Calorific value will be 3600 Kcal/kg.

Coal requirement will remain within 1.4 MTPA and will be received from MCL. Coal quality may be around the values given.

iv

One single flue stack of height 220 m should be installed with continuous online monitoring system. Exit velocity of 40 m/sec should be maintained.

One single stack of height 220 m has already constructed. It is equipped with online monitoring system. Exit velocity of 40m/sec is maintained.

Complied Chimney construction completed 100%.

v

High efficiency Electro-static Precipitator (ESP) having efficiency of 99.89% should be installed to limit outlet SPM emission of 80 mg/Nm3 .

ESP with efficiency 99.92% has been installed and SPM is limited to 80 mg/Nm3.

ESP construction completed 100% for both the Units i.e Unit-9 &10.

vi Space provision for FGD plant should be kept.

Space for FGD has been provided. Complied

vii Total fly & bottom ash generation will be 80 TPH. Ash generated should be used in a

phased manner as per provisions of the notification on Fly Ash utilization issued by the Ministry in Sepenber,1999 and its subsequent amendments by the end of 9th year ,full fly ash utilization should be ensured.

Total fly and bottom ash is limited to 80 TPH and effort is being made to utilize the generated ash in phased manner as per the Govt notification of Fly Ash.

Ash utilization is In progress. For the year 2018-19 ash utilization was 75.47% .Ash utilization for the year 2019-20( up to Nov’19 is 70.85 %.

viii The total water drawl from River Brahmani for all Units (1 to 10) should not exceed 100

cusecs Wastewater generated shall be recycled and used in the Plant use. There would be no discharge of waste in any natural drain and the plant will have zero discharge system.

Total water drawl (for all Units 1 to 10) from the river is well within 100 cusecs and wastewater is recycled after treatment for re- use in the Plant and zero discharge is maintained except in monsoon season.

We have achieved zero discharge with respect to STP, Ash water overflow from Ash Pond and Industrial waste water (except during monsoon).

ix.

Noise level should be limited to 75 dBA and regular maintenance of equipment should be undertaken. For people working in the

Ambient noise is limited to 75dB and PPEs have been provided to the workers working at high noise

Adequate measures have been taken as

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area of generator halls and other high noise area, earplugs should be provided.

areas. per EMP

x For controlling fugitive dust regular sprinkling of water in coal handling and

other vulnerable area of the plant should be ensured.

Water sprinklers system has been provided in CHP, coal mill, coal reject and other dusty areas.

Complied

xi Extensive afforestation should be done on the open spaces available in Plant area and

the space available after abandoned of the ash pond.

Afforestation is done in available open space inside the Plant and Ash Pond area.

In progress. It is a continuous process.

xii Regular monitoring of the water quality including heavy metals should be

undertaken around ash dyke and the project area to ascertain the change in the water quality, if any, due to leaching of contaminants from ash disposal area.

Monitoring of water quality is done around Ash dyke area to check the quality.

Complied

xiii Regular monitoring of the air quality should be carried out in and around the power

plant and records be maintained. Periodic six monthly reports should be submitted to this Ministry.

Regular monitoring of the air quality is done. Six monthly report is submitted to the Ministry.Also online monitoring system has been installed & hooked up with OSPCB server.

Complied

xiv. All other mitigative measures shall be taken as enumerated in chapter-6 of EIA report.

As per the chapter-6 of EIA, mitigating measures had been taken.

Complied.

xv. The project proponent should advertise at least in two local newspapers widely circulated in the region around the project, one of which should be in the vernacular language of the locality concerned, informing that the project has been accorded environmental clearance and copies of clearance letters are available with the State Pollution Control Board/Committee and may also be seen at website of the Ministry of Environment and Forest at www.envfor.nic.in

The required advertisement was given in local newspapers for wide circulation. Copies of environmental clearance are available with SPCB.

Complied

xvi. A separate environment monitoring cell with suitable qualified staff should be set up for implementation of the stipulated environmental safeguards.

A separate environment-monitoring cell with qualified staffs already exists for implementing environmental safeguards.

Complied

xvii. A monitoring committee should be constituted for reviewing the compliance of various safeguards measures by involving recognised local NGOs. Pollution Control Board, Institutions, Experts etc.

As per given condition a monitoring committee has been constituted which would monitor the compliance status of safe guard measures at regular interval.

Complied

xviii. Half yearly report on the status of implementation of the stipulated conditions and environmental safeguards should be submitted to the Ministry Regional Office /CPCB/ SPCB.

Half yearly report on the status of implementation of the stipulated conditions and environmental safeguards is submitted to the Ministry, SPCB and CPCB.

Complied

xix. Regional office of the ministry of Environment & Forest located at Bhubaneswar will monitor the implementation of the stipulated conditions.

Noted.

Complied. Copy of EIA and EMP have been submitted to RO,

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Complete set of the Environmental Impact Assessment report and Environmental management Plan should be forwarded to the Regional Office for their use during monitoring.

OSPCB, Angul

xx. Separate funds should be allocated for implementation of environmental protection measures along with item-wise break-up. These cot should be included as part of the project cost. The funds earmarked for the environment protection measures should be not be diverted for other purposes and year-wise expenditure should be extended to the Scientist / Officer.

Environmental expenditure is a integral part of the expansion project cost. However, item wise break-up for main environment protection equipment are as under. Chimney (Unit-9&10) -17.82 crore. Ash Handling system- 28.88 crore. ESP of Unit-9 &10- 47.00 crore HCSD system- 53.36 crore. STP- 1.60 crore

Complied

xxi Full cooperation should be extended to the Scientist / Officers from the Ministry /Regional Office of the Ministry at Bhubaneswar /CPCB /. SPCB who would be monitoring the compliance of environmental status.

Agreed

3. The Ministry reserves the right to revoke the clearance if conditions stipulated are not implemented to the satisfaction of the Ministry.

Noted

4 The environmental clearance accorded shall be valid for the period of 5 years for construction / operation of the power Plant .In case ,if the project authorities fails to do so within this stipulated period ,the environmental clearance shall stand lapsed automatically.,

Noted

5 In case of any deviation or alteration of the project proposed from those submitted to the Ministry for clearance a fresh reference should be made to the Ministry to assess the adequacy of the condition(s) imposed and to add additional environmental protection measures required ,if any.

Noted

6. The above stipulations would be enforced among others under the Water (prevention and Control of Pollution) Act,1974,the Air (Prevention and Control of Pollution) Act,1981,the Environmental (Protection) Rules,1989 and its amendments, the Public liability Insurance act,1991 and its amendments, the Environment Impact assessment Notification of January and its amendments.

Noted

Compliance to Environmental parameter as stipulated in Consent condition is enclosed at Annexure- II for the duration Apr’19 to Sept’19 for your kind information please.

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COMPLIANCE STATUS OF ENVIRONMENTAL CLEARANCE CONDITIONS IMPOSED BY MINISTRY OF ENVIRONMENT & FOREST (MoEF) FOR EXPANSION OF CAPTIVE POWER PLANT 9th & 10th UNIT PHASE –II CPP,REG AMENDMENT OF EC FOR EXPANSION OF ASH POND, AS ON 01-12-2019

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CONDITION

PRESENT STATUS

REMARKS xxii A long term study of radioactivity and heavy

metals content on coal to be used shall be carried out through a reputed institute. Thereafter, mechanism for an in-built continuous monitoring for radio-activity and heavy metals in coal and fly ash (including bottom ash) shall be put in place.

Agreed Study of radioactivity and heavy metals has been carried out through BARC .

xxiii Continuous monitoring for heavy metals in and around the existing ash pond area shall be immediately carried out by reputed institutes like IIT Kanpur.

Agreed Monitoring of heavy metal in and around ash pond areas is being carried out.

xxiv Harnessing solar power within the premises of the plant particularly at available roof tops shall be submitted periodically to the Regional Office of the Ministry.

A consultancy contract had been awarded for study of installation of solar panels at roof top of CPP buildings. Study is in progress.

xxv Fugitive emissions shall be controlled to prevent impact on agricultural or non-agricultural land.

Utmost care is taken to control fugitive emission.

Xxvi Sources sustainability study of water requirement shall be carried out by an institute of repute. The study shall also specify the source of water for meeting the requirement during lean season. The report shall be submitted to the Regional Office of the Ministry within six months.

Agreed.

Xxvii Hydro geological study of the area shall be reviewed annually and report submitted to the Ministry. No water bodies including natural drainage system in the area shall be disturbed due to activities associated with the setting up/ operation of the power plant.

Surrounding water quality is tested & test report will be submitted.

Xxviii COC of 5.0 shall be adopted. Agreed Xxix No ground water shall be extracted for use in

operation of the power plant even in lean season.

Agreed.

Xxx Minimum required environmental flow suggested by the Competent Authority of the State Govt. shall be maintained in the Channel/Rivers (as applicable) even in lean season.

Agreed

Xxxi No water bodies including natural drainage system in the area shall be disturbed due to activities associated with the setting up / operation of the power plant.

Agreed

Xxxii Regular monitoring of ground water level shall be carried out by establishing a network of existing wells and constructing new piezometers. Monitoring around the ash pond area shall be

Regular monitoring of ground water level is carried out at ash pond by piezometrs . Monitoring around of ash

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carried out particularly for heavy metals (Hg,Cr,As,Pb) and records maintained and submitted to the Regional Officer of the Ministry. The data so obtained should be compared with the baseline data so as to ensure that the ground water quality is not adversely affected due to the project.

pond area shall be carried out for heavy metals.

Xxxiii Monitoring of surface water quantity and quality shall also be regularly conducted and records maintained. The monitored data shall be submitted to the ministry regularly. Further, monitoring points shall be located between the plant and drainage in the direction of flow of ground water and records maintained. Monitoring for heavy metals in ground eater shall be undertaken.

Agreed

Xxxiv Fly ash shall not be used for agricultural purpose. No mine void filling will be undertaken as an option for ash utilization without adequate lining of mine with suitable medial such that no leach ate shall taken place at any point of time. In case, the option of mine void filling is to be adopted. Prior detailed study of soil characteristics of the mine area shall be ascertained by the State Pollution Control Board and implementation done in close co-ordination with the State Pollution Control Board.

Agreed

Xxxv Green Belt consisting of 3 tiers of plantations of native species around plant and at least 100 m width shall be raised. Wherever 100 m width is not feasible a 50 m width shall be raised and adequate justification shall be submitted to the Ministry. Tree density shall not be less than 2500 per ha with survival rate not less than 75%.

Agreed

Xxxvi Three tier green belt shall be developed all around Ash Pond over and above the Green Belt around the plant boundary and grassing shall be done on the ash mound.

Agreed

Xxxii A common Green Endowment Fund shall be created and the interest earned out of it shall be used for the development and management of green cover of the area.

Agreed

xxxviii It shall be ensured that in built monitoring mechanism for the schemes identified is in place and annual social audit shall be got done from the nearest government institute of repute in the region. The project proponent shall also submit the status of implementation of the scheme from time to time.

Noted

Xxxix An Environmental Cell shall be created at the project site itself and shall be headed by an officer of the company of appropriate seniority and qualification. It shall be ensured that the head of the Cell shall directly report to the Head of the Organization.

Environment cell is existing having requisite qualification & report directly to the Head of the Unit.

X1 The project proponent shall formulate a well laid Corporate Environment Policy and identify and

Agreed

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designate responsible officers at all levels of its hierarchy for ensuring adherence to the policy and compliance with the conditions stipulated in this clearance letter and other applicable environmental laws and regulations.

X1i A minimum of 0.4% of the project cost amount shall be earmarked as one time capital cost for CSR programme. Subsequently a recurring expenditure of 1/5 of the capital cost of the CSR budget shall be earmarked as recurring expenditure for CSR activities. Details of the activities to be undertaken shall be submitted within one month along with road map for implementation.

Agreed

X1ii CSR scheme should address Public Hearing issues and shall be undertaken based on need based assessment in and around the villages within 5.0 km of the site and in constant consultation with the village Panchayat and the District Administration. As part of CSR prior identification of local employable youth and eventual employment in the project after imparting relevant training shall be also undertaken. Development of fodder farm, fruit bearing orchards, vocational training etc. can form a part of such programme. Company shall provide separate budget for community development activities and income generating programmes. Vocational training programme for possible self employment and jobs shall be imparted to identify villagers free of cost.

Noted

X1iii The environment statement for each financial year ending 31st 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 clearance conditions and shall also be sent to the respective Regional Officers of the Ministry by e-mail.

Agreed

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UTILISATION OF FLY ASH

Our organization has taken up many proactive steps for higher utilization of ash in various fields in line with the provisions of Fly Ash Notification S.O.763 (E) dated 14th September 1999 and amendment made there-after. 1 A huge quantity of ash is being utilised as a core material in Ash Pond dyke raising.

The utilization ash in dyke raising is detailed below. 92-93 - 83,932 m3 93-94 - 39,631 m3 94-95 - 1,39,857 m3 95-96 - 70,472 m3 96-97 - 88,927 m3 97-98 - 54,182 m3 98-99 - 59,330 m3 99-00 - 11,500 m3 00-01 - 1,42,993 m3 01-02 - 1,30,000 m3 02-03 - 2,00,000 m3 2003-04- 60,329 m3 2004-05- 47,480 MT 2005-06- 30,963 MT 2006-07- 1,28,111 MT 2007-08- 31,710 MT 2008-09- Nil (No dyke raising work was carried out during this year) 2009-10- 23,4300 MT 20010-11- 2,16,460 MT 2011-12- 28,776 MT 2012-13- 2,85,360 MT 2013-14- 782392 MT 2014-15- 40591 MT 2015-16- 690660 MT 2016-17 255413 MT 2017-18- 944000 MT 2018-19 1224000 MT 2019-20(up to Nov’19)- 612000 MT Total ash utilization in the year 2018-19 was 1869836 MT (75.47%) 2007-08 - 4.98 % 2008-09 - 10.28% 2009-10 - 20.42% 2010-11 - 34.68% 2011-12 - 60.58 % 2012-13 - 66.07% 2013-14 - 71.67% 2014-15 - 23.78% 2015-16 - 66.52% 2016-17 - 37.88% 2017-18 - 46.77% 2018-19 - 75.47% 2019-20(up to Nov’19)- 70.85%

3. A large quantity of ash is being used in land reclamation by filling up low-lying areas inside

the Plant, construction work of roads and in construction of buildings etc. 4 An ash block -manufacturing unit has been installed at Ash Pond and ash blocks are being

manufactured with pond ash and being utilised in Ash Pond maintenance work and township

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construction / maintenance work. Similarly four numbers of ash brick making machines was also installed inside the Plant premises and ash bricks were used in Project construction work.

5 NALCO have taken up project for back filling in abandoned mine of Mahanadi Coalfield Limited. With ash . NALCO i.e South Bharatpur query is 25 kms away from CPP ),we have obtained CTE for ash filling in abandoned mine in lean slurry mode. The Project work was initially awarded to M/s UPIPL and after termination of contract M/s Bridge & Roof has been awarded with a fresh contract vide LOI dtd. 28.09.2017. The work is in progress. The agency had achieved overall progress of 92% till Nov’2019.

6 Discussion with National Highway, State Highway and Railway authorities are going on for using fly ash in road and fly over construction.

7 First phase , 2nd phase &3rd phase ash mound work over ash pond-II has been completed. .Ash pond-I dyke raising from 110 mRl to 113 mRl has been completed.

8 As per the statutory guidelines, Nalco management has agreed for giving subsidy to ash bricks manufacturers.

SM (E&S)

COMPLIANCE STATUS OF “CONSENT TO ESTABLISH” SPECIAL CONDITIONS IMPOSED BY ORISSA STATE POLLUTION CONTROL BOARD (OSPCB)FOR EXPANSION OF CAPTIVE POWER

PLANT 9TH & 10TH UNIT, VIDE LETTER No- 14877/ Ind-II-NOC-2607,DATED- 14.04.2004, AS ON 01.12.2019

SN

SPECIAL CONDITION

PRESENT STATUS

REMARK

S 1 The particulate emission from the boiler stack of CPP shall not exceed 100mg/Nm3. For control of

concentration of particulate matter emission to the desired level, suitably designed Electrostatic Precipitator shall be installed. In case of failure of any air pollution control equipment the plant operation shall be stopped till rectification.

The stack emission shall not exceed 100mg/Nm3.The design parameter of ESPs is well below 100mg/Nm3.

Complied

2 If the proponent fails to start operation of the project but substantial physical progress has been made then a

renewal of this consent shall be sought by the proponent

The new stack height is 220 m.

Complied

3 Adequate space shall be ear-marked for installation of the flue gas de-sulphurisation system for CPP in future if

required. This should also include management and disposal of solid wastes to be generated from FGD system.

Adequate space for FGD system has been earmarked.

Complied

4 The ambient air quality shall conform to the National Ambient Air quality standard. For this purpose the

township as well as the area outside the factory premises shall be treated as residential area and the areas within the premises of the factory shall be treated

The ambient air quality shall conform to NAAQS.

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as industrial area. 5 At least 04 permanent ambient air monitoring station shall be installed for monitoring of SPM, SO2, NOx, CO

and Fluoride around the factory. The location of the monitoring station shall be finalised in consultation with the Board.

03 Nos. of permanent AAQ monitoring stations are already inside the Plant. 4th AAQ machine has been procured and installed at PCU of Ash Pond. -4 nos. of real time CAAQMS have been procured and installed in consultation with OSPCB,Angul.

Complied

6 On line continuous monitoring system with recording facilities shall be provided in the stacks for monitoring of particulate matter(PM), SO2, Nox & CO. the results shall be made available to the Board for verification. Adequate spares of the pollution control equipments shall be maintained to avoid frequent breakdown

Online monitoring system has been installed in the stack with recording facility and adequate spares also shall be kept for the proper working of the system.

Complied

7 Fugitive emission from all sources like coal handling plant and transfer points shall be minimised by resorting to appropriate measures.

Water sprinkling system has been provided at all the dust generating points.

Complied

8 All measures including sufficient water sprinkling and developing green belt around coal handling plant etc.

which are potential sources of fugitive emission shall be taken to mitigate dust pollution.

Water sprinkling system have been provided at the dust generating points.

Complied

9 If coal will be transported through trucks, trippers etc. they shall be done under covered condition to avoid any spillage etc. on the road and the roads to be used for coal transportation shall be properly cleaned.

In CPP, NALCO coal is transported in railway wagons. Rail transportation is valid for expansion Units also.

Complied

10 Care shall be taken so that the ambient noise level shall conform to the standards prescribed under EP Act. For this purpose the township and the area outside the factory premises shall be treated as residential area and the area inside the factory premises shall be treated as industrial area.

Ambient noise level shall conform to the stipulated standards.

11 The cooling water shall be completely re-circulated.

Cooling water of Unit-9 &10 is re-circulated.

Complied

12 The waste water generated from leakage, blow downs and DM plant shall be treated individually and stored in a common monitoring basin before re utilisation.

The existing IDRS system will take care of the effluent generated by new Units also.

Complied

13 The blow down shall meet the following standards before its discharged to the common monitoring basin. Boiler Blow down. Suspended Solids - 100mg/l (Max Oil & Grease - 20 mg/l (Max) Copper (Total) - 1.0 mg/l (Max) Iron (Total) - 1.0 mg/l (Max) Cooling Tower Blow down. Free available Chlorine - 5.0 mg/l (Max) Zinc - 1.0 mg/l (Max) Chromium (Total) - 2.0 mg/l (Max) Phosphate (Total) - 5.0 mg/l (Max)

The quality of boiler blow down will be maintained as per the given standards.

14 The sewage generated from the plant shall be treated in a sewage treatment plant of adequate size.

One separate STP having capacity 204 m3/day has been constructed for new expansion Units.

Complied.

15 The treated water from all sections including sewage Treated water of STP and IDRS is Com

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treatment plant shall be adequately treated for complete re-utilisation

completely re-circulated for re-use in the Plant.

plied

16 The treated wastewater from sewage treatment plant shall be used for irrigating the green belt and under no circumstances shall be discharged to any water body.

STP water is used for irrigation of green belt. The wastewater generated from oil unloading area is being treated and recycled through IDRS.

Complied

17 The wastewater generated from the dust suppression system and oil-unloading area shall be treated adequately to meet the standard for discharge to inland surface water.

The wastewater generated from dust suppression system is treated and recycled through IDRS.

Complied

18 The storm water drain shall be maintained separately without being mixed up with the industrial effluent or sewage effluent.

Separate drain line for storm water and Industrial effluent have been maintained for expansion Units.

19 Oily sludge generated shall be disposed of and the STP sludge shall be used as manure for developing the green belt around plant premises.

It will be done for the expansion Units also as this is in present practice.

20 The ash generated from the plant shall be disposed of through High Density Slurry Disposal system. The details of the disposal site, the method of rain water collection and treatment system shall be submitted to the Board within 03 month from the date of issue of this order.

HDSD has been adopted for Units 7,8,9 &10.System is commissioned in 2010 and is in operation.

21 At least 10 leach pits shall be provided around the ash disposal area for ground water monitoring to assess any contamination. The location of such pits shall be finalised in consultation with the State Pollution Control Board.

There are around 37 Nos. of relief wells around the ash Pond dyke. As discussed with RO,SPCB ,these relief well can be used as a leach pits also.

22 The ground water at these leach pits shall be monitored at least once in a week and the consolidated report shall be submitted to the Board every month.

The ground water is being monitored as required at regular intervals.

23 Comprehensive plan for utilisation and management of fly ash shall be prepared and submitted to the Board within six months from the date of issue of this letter.

Comprehensive plan for ash utilization has been submitted to the Board.

24 Depending upon the environmental conditions, stricter standards may be imposed for the effluent or restriction for discharge may be made for which adequate facilities from the beginning shall be made to meet such exigencies in future.

Adequate facility will be kept ready to meet the future Env. requirements.

25 The industry shall comply to the provision of Hazardous Waste (Management and Handling) Rules, 1989 and amendment thereof.

Noted. It is being complied for older Units also.

26 All compliances shall be made with respect to Manufacture, Storage and import of Hazardous chemical rules, 1989 and provision of the EP act,1986

Noted. It is being complied for older Units also.

27 Periodical health check and maintenance of all equipment and plant piping shall be carried out including calibration and testing of alarms, trips, interlocks which shall be given due attention.

Being an ISO-9001,ISO-14001 and OHSAS-18001 certified company, the required points are taken care.

28 In order to reduce frequency of failure proper care shall be adopted in design, construction, inspection, operation and maintenance of the facilities. All applicable safety design features and best engineering practices shall be adopted during detailed engineering and construction stage.

The required points will be taken care.

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29 A detail off site and on site emergency plan shall be prepared in consultation with local authority and other concerned authority and shall be duly approved by competent authority. A copy each of these plans shall be furnished to the Board.

The update detailed on-site EMP duly accepted by DFB, Orissa w.e.f 03/03/2006 is in force. The same was updated by M/s NSC,Mumbai on March 2015 .Copy of the same has been submitted to OSPCB. Off-site EMP is being prepared by the District authorities.

30 A separate Environmental Management Cell with adequate laboratory facility and suitable qualified people to carryout functions relating to environmental management system shall be set up. The industry shall comply to the provision of Hazardous Waste (Management and Handling) Rules, 1989 and amendment thereof.

A separate environment cell is already functioning supported by chemical laboratory. The same group will look after the expansion Units also. Hazardous waste (MH) Rules is followed.

31 The industry shall abide by the provisions of the Environmental (Protection) Act,1986 and rules made there under. .

EP(Act),1986 will be followed strictly.

32 The Board may impose further conditions or modify the conditions stipulated in this order during installation and/or at the time of obtaining consent to operate and may revoke this clearance in case the stipulated conditions are not implemented and/or any information suppressed in the application form. The industry shall comply to the provision of Hazardous Waste (Management and Handling) Rules, 1989 and amendment thereof.

Noted

Shall be Complied

COMPLIANCE STATUS OF “CONSENT TO ESTABLISH” GENERALCONDITIONS IMPOSED BY ORISSA STATE POLLUTION CONTROL BOARD (OSPCB)FOR EXPANSION OF CAPTIVE POWER

PLANT 9TH & 10TH VIDE LETTER No- 14877/ Ind-II-NOC-2607,DATED- 14.04.2004,AS ON 01.12.2019

SN

GENERAL CONDITION

PRESENT STATUS

REMARKS

1 The consent to establish is valid for the product, quantity, manufacturing process and raw materials as

mentioned in the application and for a period of five years from the date of issue of this letter, provided commencement of production of the proposed project has not taken place in the mean time.

Noted

2 If the proponent fails to start operation of the project but substantial physical progress has been made then

a renewal of this consent shall be sought by the proponent

Noted

3 If the proponent fails to initiate construction of the project and no significant physical progress is made

then, the proponent has to apply for consent to establish after expiry of 5 years from the date of issue of this order.

Noted

4

Adequate effluent treatment facilities are to be provided such that the quality of sewage and trade

The existing IDRS is taking care of the expansion Units also.

complied

15

effluent satisfies the standards as prescribed by the Central Pollution Control Board and / or State Pollution Control Board or otherwise stipulated in the special conditions.

One separate STP is constructed to fulfill the need of expansion Unit.

5 All emission from the industry as well as the ambient air quality and noise are to conform to the standards

as laid down under Environmental (Protection) Act’1986 or as prescribed by Central Pollution Control Board/ State Pollution Control Board or otherwise stipulated in the special conditions.

Emission and ambient air quality will conform to the standards as laid in EP(Act).

6 Adequate method of disposal of solid waste is to be adopted to avoid environmental pollution.

Proper care is being taken to dispose solid waste.

7 Rules such as the Hazardous Waste (management and Handling) Rules’1989, Hazardous Chemical rules,/Manufacture storage and import of Hazardous chemical rules 1989 etc. and amendments there under. The industry also to comply to the provision of Public Liability Insurance Act’1991, if applicable.

All applicable Rules shall be complied

8 The industry is to apply for grant of consent to operate under section 25/26 of Water(Prevention and Control

of Pollution) Act’1974 and Air (Prevention and Control of Pollution) Act’1981 at least 3 (three) months before the commercial production and obtain Consent to operate from this Board.

Application for consent had been submitted on 7th Jan’2009 i.e. 07 months before the commercial production. Consent to operate for Unit-9&10 was obtained for OSPCB. Application for renewal of the same already submitted to OSPCB.

Complied

COMPLIANCE STATUS OF ENVIRONMENT CLEARANCE CONDITIONS IMPOSED BY MINISTRY OF ENVIRONMENT & FOREST FOR EXPANSION OF CAPTIVE POWER PLANT 7TH & 8TH UNITS,

VIDE LETTER No- J-13011/1/91-IA-III, DATED- 23.01.1992 AS ON 01.12.2019

SN

CONDITION

PRESENT STATUS

REMARKS

1.i

Stack height of not less than 220 mt. shall be provided

Height of the stack is 220 meter.

Complied.

ii

ESPs of operational efficiency of not less than 99.5% to be provided.

ESP with operational efficiency of more than 99.5 % has been provided in 7th and 8th Unit. The design efficiency of Unit-7 and 8 ESPs is 99.89%.

Complied.

iii.

The stack emission of particulate should not exceed the standard of 150 mg/Nm3. The emissions from the old units shall meet the standards as prescribed by the state Pollution Control Board. Necessary measurement for equipment of the old ESPs should be done to achieve the stipulated standards by the SPCB, paripassu with the commissioning of the new units.

The SPM levels in stack emission of all the present ESPs is below 150 mg/Nm3. The old ESPs are equipped with Advanced Intelligent Controllers, which helped in reduction in SPM emission level below permissible standards (150 mg/Nm3). For further improvement retrofitting of ESPs has been taken up. Retrofitting of Unit#5 ESP has already been completed March,2002.

Complied. Work order was been placed to M/s NASL for retrofitting of other ESPs (Unit#1 to Unit#6 at the project cost of Rs 132 crore. The total retrofitting work

16

have been completed on Aug’2014.

iv

No new land to be acquired for the ash disposal. Height of the present ash dyke may be increased to accommodate fly ash generated from 7th & 8th units. A perspectives plan for fly ash utilization to be prepared and submitted to MOEF.

No new land has yet been acquired for expansion purpose. The ash pond I dyke height has already been raised from 96.7 mt to 100 mt and further to 113 mt in phased manner. Similarly The ash pond II dyke height has already been raised from 96.7 mt to 107mt and further raising by ash mound has been completed upto 115 mt in phased manner . Different steps have been taken for utilisation of fly ash, the description of which has been given in Annexure-I. A perspective plan for 100% utilization of fly ash has already been submitted to MoEF.

Complied. .

V

The effluent from ash pond should be recycled. No overflow will be allowed to be disposed off into water courses, nallah, drain etc.

This work is completed. The re-circulation Unit is under continuous operation. Year wise quantity of Ash Pond over flow water, recycled back to the Plant. 2001-2002 – 1,00,08,847m3 2002-2003 - 1,50,34,229 m3. 2003-2004 - 1,68,48,414 m3. 2004-2005 - 1,93,57,275 m3. 2005-2006- 1,73,07,185m3. 2006-2007- 2,08,38,050 m3 2007-2008- 1,99,11,395 m3 2008-2009- 1,97,82,700 m3 2009-2010- 1,91,56,442 m3

2010-2011- 1,97,41,000 m3 2012-13- 1,87,64710 m3 2013-14- 12981238 m3 2014-15- 12517775 m3 2015-16- 14930800 m3 2016-17- 16163255 m3 2017-18- 15258445 m3 2018-19- 17017960 m3 2019-20(up to Nov’19)- 11775770 m3

Complied.

Vi Sampling ports to be provided in stacks in consultation with SPCB. Sampling ports in old units to be relocated in consultation with SPCB.

Sampling ports have been provided in the stacks of the 7th & 8th Units. For older Units sampling ports have been provided at ESP outlet ducts before the chimney.

Complied

vii At least 3 air quality monitoring stations should be provided in consultation with

the State Pollution Control Board in the down wind direction as well as where maximum ground level concentration is anticipated. Further, setting up automatic stack monitoring units should

- Four ambient air quality-monitoring stations have been installed in different directions in consultation with State Pollution Control Board. - Automatic stack monitoring equipment has been already installed in the unit. - As advised by MoEF officials additional

Complied A consolidated report of ambient air quality and

17

monitor stack emission. The air quality monitoring station should be selected on the basis of modelling exercise to represent the short-term ground level concentration as well.

two ambient air quality station parameters are also included in the reports.

stack emission for last six months is enclosed herewith at Annexure-II for reference.

viii

“Zero discharge” concept with respect to liquid effluent emanating from the plant should be followed and as such no liquid effluent shall be allowed to be discharged to water bodies. Treated liquid effluents should be used/recycled in plant / used for irrigation of green belt.

Zero discharge with respect to industrial effluent has been achieved. The treatment facility and pumping system are in continuous operation. STP also is in continuous operation condition and treated after is being utilized for gardening and green belt.

Complied. Zero discharge with respect to Ash pond overflow water and industrial effluent has been achieved.

ix.

Adequate steps to be taken for prevention and control of fire and explosion hazards likely to be caused due to storage and use of inflammable materials

Elaborate fire fighting system is existing in CPP. CISF (Fire Wing ) is in charge of fire fighting system. A disaster Management Plan duly approved by CIFB, Orissa has been implemented to prevent & handle all emergency situations. Annual safety audit is being conducted regularly & corrective actions are taken up accordingly on the recommendations of the safety audit report by safety department.

Complied

X

A green belt of 100 mtr width and adequate density should be provided all around the power station.

A green belt in line with the recommendation of the Roorkee University has been implemented.

Complied

Xi

The missing manhole covers in sewerage system should be replaced.

Manhole covers have been replaced.

Complied.

Xii Oxidation ponds should be put to use by removing weeds/grasses.

A STP has been constructed and commissioned on 12/11/2005,along with the expansion of Unit # 7& 8, which is treating sewage of CPP and Vidyutnagar colony. The system is running on continuous basis.

Complied. CPP or Vidutnagar colony is not using any oxidation Pond anymore.

xiii

An epidemiological study shall be conducted to ascertain the health effects of fluorides from the Smelter units and provision for water supply should be made for the people who are likely to be affected by fluoride contamination

I) Regional Occupational Health Centre(ROHC), Calcutta have carried out epidemiological survey of population within 10 km radius. II) The work of drinking Water supply for 11 village financed by NALCO has been completed and is in operation now.

Complied The epidemiological survey report has already been submitted to your good office through

18

our Corporate office.

2.

Adequate provision of funds should be made for the implementation of the aforesaid stipulation.

As and when required funds provision is being made for implementing the conditions. Rs.115 crores have been approved for retrofitting of old ESPs.(Unit-1 to Unit-6).Retrofitting of Unit-5 & Unit-6 is already been completed.

Complied

3. The conditions stipulated above may be modified or new ones imposed, or the clearance revoked, if considered necessary, in the interest of Environmental Protections.

Noted.

4 Separate Environment Management Cell headed by Environment Manager reporting to GM (Head of Institution) shall be created to ensure implementation of the stipulated conditions.

Environment management cell headed by HOD(E&S), who reports to GM, ensures the implementation of the stipulated conditions.

Complied

5 The stipulation will be implemented among others under the Water (Prevention & Control of pollution) Act, 1974, The Air (Prevention & Control of Pollution) Act 1981 and the Environment (Protection) Act, 1986

Noted

6. Nodal Officer of the Projects should have minimum of 5 years of Service

Complied

COMPLIANCE STATUS OF “CONSENT TO ESTABLISH” CONDITIONS IMPOSED BY ORISSA STATE POLLUTION CONTROL BOARD (OSPCB) FOR 1ST PAHSE EXPANSION OF CPP (UNIT- 6, 7

& 8), VIDE LETTER No- - 6299/Ind-II-NOC-72, dated 17.06.1991) AS ON 01.12.2019

SN CONDITIONS PRESENT STATUS REMARKS 1 i.) There should not be any change in the process,

raw materials and fuels used, mode of discharge of effluents and emissions and others important details than those described in the application for “No Objection Certificate” without prior approval of the Board.

Complied

ii). That the emission from the boilers stacks in the expanded units shall not contain SPM exceeding 150mg/Nm3.For this purpose suitable ESPs shall be installed.

Complied

iii). That the efficiency of the existing ESPs in the boilers shall be upgraded so as to achieve the standard of less than 150mg/Nm3 for SPM in the

Complied AICE have been retrofitted in all ESPs to achieve the required

19

stack emission. emission level. iv) That the height of the new boilers stacks shall not

be less than 220 mtr. Complied

v). That the height of the existing boilers stacks shall be raised to at least 220m wherever it is possible to do so.

Technically not feasible to increase the height of the existing stacks.

vi). That all attempts shall be made for installation of FGD units in the boilers to control the SO2 in the emission.(this will be done in addition to maintain the stack height as per conditions nos. iv and v.

FGD units have not been installed in any of the Units so far.

vii). That the supernatant liquid of the ash pond will be recycled to the maximum for carrying the fly ash slurry to the ash pond. Any over-flow from the ash pond after maximum recycling shall conform to the standards for all pollutants notified by the Board including the standards of less than 100mg/l for suspended particulate matter.

Complied Zero discharge has been achieved with respect to Ash Pond overflow water.

viii). That no additional land shall be acquired for constructing of another ash pond for the fly ash slurry generated by the expanded production capacity. Alternatively, he embankment of the existing ash pond shall be appropriately raised. After an ash pond is completely filled up with fly ash, it shall be properly rehabilitated with ample soil cover and plantation to restore the landscape to its original or better condition.

Complied The exhausted ash pond will be rehabilitated as per the mentioned guidelines.

ix). That any other discharge of trade and sewage effluent shall conform to the standards for all pollutants notified by the board for which necessary treatment plant shall be installed.

Complied Appropriate treatment and recycling system has been installed for trade and sewage effluent. Zero discharge has been achieved.

x). That the ambient air quality shall conform to this standards notified by the Board. For this purpose the township of the NALCO as well as the areas outside the premises shall be treated as residential /rural area and the areas within the premises of the factory shall be treated as industrial and mixed-use area.

Complied AAQ is meeting the standards stipulated by the Board.

xi). That the ambient noise level shall conform to this standards prescribed by the GOI in MoEF under section 6 of EP Act’1986.For this purpose township of NALCO as well as areas outside the premises shall be treated as residential area and the area s within the factory premises shall be treated as industrial area.

Complied

xii). That the NALCO shall install online continuous monitoring equipments with recording arrangement in all its boilers stacks to monitor SPM,SO2, and NOx. The record shall be made available to the board for verification.

All the stacks are equipped with SPM,NOx&SO2 monitoring systems and the same are hooked up to the OSPCB server.

xiii). That the NALCO shall establish at least four ambient air monitoring stations for daily monitoring of SPM, SO2, and NOx around factory. The analysis data shall be recorded for verification by the Board’s officials .The location of the monitoring stations shall be done in consultation with the Board.

Complied 4 AAQ monitoring station are inside factory and 1 station at CPP,CISF barrack and one at NALCO township. All 6 stations are working and data is being sent

20

to the Board.

xiv). That NALCO shall install continuous monitoring arrangement to monitor the quality of all trade and sewage /effluents. A record of analysis data shall be made available for verification by the board’s officials.

No such system is available either in trade or sewage effluent. Only grab sampling is done for such tests. We are maintaining zero discharge (except in monsoon) even though we are testing the quality of industrial effluent.

Complied

xv). That regular health survey shall be carried out to assess the general health status of the workers and the general population residing within a radius of 10 km from the factory.

Complied

xvi). That sufficient number of trees shall be planted within and outside the premises of the factory to provide a good green belt. The department of Forest and Dept. of Soil conservation shall be consulted for the choice of trees.

Complied Around 12.09 lakhs tress have been planted so far. It is continuous activity.

xvii). That all steps shall be taken for maximum utilization of solid waste including fly and bottom ash for brick making, road construction etc.

Steps have been taken to maximize utilization of ash.

xviii). That separate environmental management cell with suitable qualified people to carry out various function shall be set up under the control of a senior executive who will report directly to the Head of the institution.

Complied E&S department is directly reporting to GM (CPP).

xix). That NALCO shall set up a modern laboratory facility for collection and analysis of samples under the supervision of a competent technical person who will directly report to the Chief Executive.

Complied

xx). That NALCO shall prepare on-site and off-site emergency plans and get them approved by the competent authorities. Copies of the same shall be sent to the Board for record.

On-site EMP has been prepared and accepted by DIFB. Off-site EMP preparation is under district administration

2 This No Objection Certificate is subject to further clearance by the GOI in the MoEF from environment angle.

Complied

3 The operation of the Plant and machineries for the expansion project will not be carried out unless all the above conditions are fulfilled to the satisfaction of the Board. The Board may revoke clearance if the implementation of stipulated conditions are not found satisfactory.

Complied Consent to operate has been accorded by the Board.

4 The above conditions will be enforced iner-alia under Water (PCP) Act’1974, Air (PCP) Act’1981 and the EP Act’1986 along with their amendments made from time to time.

Complied

SM (E&S)

21

UNIT NO APR'19 MAY'19 JUNE'19 JULY'19 AUG'19 SEPT'19 AVGE

I 100 mg/Nm3) 74.61 80.01 80.06 82.15 78.15 72.22 77.87II 100 mg/Nm3) 72.79 77.51 78.25 80.7 79.64 67.54 76.07III 100 mg/Nm3) 77.51 68.07 75.21 67.62 80.01 75.53 73.99IV 100 mg/Nm3) S/D 71.88 84.45 72.21 69.83 73.41 74.36V 100 mg/Nm3) 69.24 67.55 74.9 72.55 83.59 S/D 73.57VI 100 mg/Nm3) 53.95 73.04 80.46 81.97 S/D S/D 72.36VII 100 mg/Nm3) 55.72 60.95 64.66 64.61 85.22 72.88 67.34VIII 50 mg/Nm3) 37.5 40.8 43.05 38.45 39.75 S/D 39.91IX 35.3 S/D 40.93 42.84 30.88 40.03 38.00X S/D 36.39 42.35 40.04 34.13 36.68 37.92

*norm for Unit 8,9&10 changed to 50 mg/Nm3 from 7-12-2017.

AVERAGE SO2 & NOX EMISSION AT ESP OUTLETUNIT NO NORM ( SO2) NORM(NOX) SO2 NOX

I 600 Mg/Nm3 600 Mg/Nm3 559.66 319.66II 600 Mg/Nm3 600 Mg/Nm3 510 319.75III 600 Mg/Nm3 600 Mg/Nm3 414 364.5IV 600 Mg/Nm3 600 Mg/Nm3 517.3 347.3V 600 Mg/Nm3 600 Mg/Nm3 447.66 276.66VI 600 Mg/Nm3 600 Mg/Nm3 582 303VII 606 Mg/Nm3 600 Mg/Nm3 373.3 190.9VIII 600 Mg/Nm3 300 Mg/Nm3 359.8 191.83IX 600 Mg/Nm3 300 Mg/Nm3 487 228.16X 600 Mg/Nm3 300 Mg/Nm3 205 159.33

PARAMETER NORM APR'19 MAY'19 JUNE'19 JULY'19 AUG'19 SEPT'19 AVGEpH No 65-8.5 7.785 7.85 7.67 7.89 7.56 7.61 7.73SS mg/Ltr 100 34.5 36 39 37.5 39 41 37.83

O&G mg/Ltr 10 1.25 1.15 1.3 4 6.05 6.85 3.43FCl mg/Ltr 0.5

NORM APR'19 MAY'19 JUNE'19 JULY'19 AUG'19 SEPT'19 AVGEPM-10 µgm/m3 100 49.88 51.97 52.33 54.61 55.46 53.11 52.89PM-2.5 µgm/m3 60 31.67 31.55 32.93 34.58 34.63 33.78 33.19NOX µgm/m3 80 6.07 5.87 5.73 6.1 6.04 6.1 5.99SOX µgm/m3 80 23.09 22.88 22.68 25.11 23.69 23.49 23.49CO µgm/m3 2000 112.5 107.5 108.75 113.75 118.75 112.5 112.29

LEAD µgm/m3 1 0 0 0 0 0 0 0.00

NORM APR'19 MAY'19 JUNE'19 JULY'19 AUG'19 SEPT'19 AVGEPM-10 µgm/m3 100 48.42 51.25 51.75 52.56 55.71 51.32 51.84PM-2.5 µgm/m3 60 31.05 31.3 33 33.28 34.65 32.78 32.68NOX µgm/m3 80 5.87 5.78 5.78 5.93 6.16 6.22 5.96SOX µgm/m3 80 22.28 21.77 22.78 23.29 22.58 23.9 22.77CO µgm/m3 2000 110 101.25 106.25 110 107.5 113.75 108.13

LEAD µgm/m3 1 0 0 0 0 0 0 0.00

NORM APR'19 MAY'19 JUNE'19 JULY'19 AUG'19 SEPT'19 AVGEPM-10 µgm/m3 100 52.19 53.25 53.7 55.73 56.4 54.57 54.31PM-2.5 µgm/m3 60 32.01 32.27 33.22 34.92 34.96 34.42 33.63NOX µgm/m3 80 5.96 5.96 5.87 6.25 6.1 6.25 6.07SOX µgm/m3 80 23.69 22.98 22.78 23.9 24.2 24.1 23.61CO µgm/m3 2000 113.75 108.75 111.25 117.5 112.5 123.75 114.58

LEAD µgm/m3 1 0 0 0 0 0 0 0.00

NORM APR'19 MAY'19 JUNE'19 JULY'19 AUG'19 SEPT'19 AVGEPM-10 µgm/m3 100 47.8 50.91 51.53 51.89 51.89 50.88 50.82PM-2.5 µgm/m3 60 29.23 30.95 32.46 33.06 32.12 32.68 31.75NOX µgm/m3 80 5.73 5.61 5.7 5.87 5.9 5.99 5.80SOX µgm/m3 80 22.48 21.97 22.28 23.09 22.98 23.59 22.73CO µgm/m3 2000 107.5 103.75 105 108.75 107.5 115 107.92

LEAD µgm/m3 1 0 0 0 0 0 0 0.00

QUALITY MONITORING OF AMBIENT AIR,INDUSTRIAL AREA,(ROOF OF DM PLANT)

PARAMETER

QUALITY MONITORING OF AMBIENT AIR ,INDUSTRIAL AREA (ROOF OF FIRST AID CENTRE)

QUALITY MONITORING OF AMBIENT AIR,INDUSTRIAL AREA,(ROOF OF CANTTEN)

PARAMETER

PARAMETER QUALITY MONITORING OF AMBIENT AIR,INDUSTRIAL AREA,(ROOF OF PCU AT ASHPOND

PARAMETER