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Note: The Environment Monitoring is done by third party M/s. Visiontek Consultancy Services Pvt.

Ltd. The required data is put in format from their report

Page 1 of 33

VEDANTA LIMITED, JHARSUGUDA

SMELTER & CPP

Half Yearly Environment Quality Report (April 2018 September 2018)

1. Stack Emission: a) Pot Room Fume Treatment Plant (FTP) Outlet

i. Particulate Matter (mg/Nm3)

Stack Description Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18

FTP 1- Pot Line-1 5.60 5.08 4.10 4.70 6.20 5.60

FTP 2- Pot Line-1 5.10 4.60 4.40 5.90 5.60 5.10

FTP 3- Pot Line-2 4.80 6.10 5.80 5.20 6.60 4.80

FTP 4- Pot Line-2 5.20 5.70 5.20 4.80 6.20 5.20

FTP 5- Pot Line-3 4.82 4.00 4.40 4.60 4.12 4.20

FTP 6- Pot Line-3 4.80 4.90 4.50 4.90 4.30 4.28

FTP 7- Pot Line-4 5.10 4.70 5.10 4.60 4.60 4.50

FTP 8- Pot Line-4 5.20 5.10 4.80 4.10 4.80 4.72

FTP 9- Pot Line-5 4.90 4.20 4.80 4.40 4.50 4.40

FTP 10- Pot Line-5 - 4.60 4.30 4.00 4.80 4.78

ii. Total Fluoride (Kg/MT. Al.)

Stack Description Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18

FTP 1- Pot Line-1 0.08 0.08 0.09 0.09 0.09 0.08

FTP 2- Pot Line-1 0.10 0.10 0.09 0.09 0.10 0.10

FTP 3- Pot Line-2 0.09 0.09 0.10 0.08 0.08 0.09

FTP 4- Pot Line-2 0.08 0.08 0.09 0.09 0.09 0.07

FTP 5- Pot Line-3 0.09 0.08 0.09 0.09 0.08 0.09

FTP 6- Pot Line-3 0.09 0.09 0.09 0.08 0.08 0.09

FTP 7- Pot Line-4 0.08 0.09 0.08 0.09 0.09 0.08

FTP 8- Pot Line-4 0.09 0.08 0.09 0.08 0.09 0.08

FTP 9- Pot Line-5 0.09 0.09 0.08 0.08 0.08 0.07

FTP 10- Pot Line-5 - 0.09 0.09 0.09 0.08 0.07

b) Bake Oven Fume Treatment Plant (FTP) Outlet i. Particulate Matter (mg/Nm3)

Stack Description Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18

FTP 1- Bake Oven 5.10 5.80 5.20 5.60 4.26 5.60

FTP 2- Bake Oven 4.80 5.20 5.00 4.70 5.32 5.80

FTP-3 Bake Oven 5.20 4.70 4.30 4.60 4.20 4.30

FTP-4 Bake Oven 4.70 5.00 4.50 4.10 4.60 4.61

Note: The Environment Monitoring is done by third party M/s. Visiontek Consultancy Services Pvt.

Ltd. The required data is put in format from their report

Page 2 of 33

ii. Total Fluoride (Kg/T)

Stack Description Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18

FTP 1- Bake Oven 0.02 0.02 0.03 0.03 0.03 0.03

FTP 2- Bake Oven 0.03 0.03 0.02 0.02 0.02 0.03

FTP-3 Bake Oven 0.02 0.02 0.02 0.03 0.02 0.03

FTP-4 Bake Oven 0.03 0.03 0.03 0.02 0.03 0.04

iii. Total PAH (mg/Nm3)

Stack Description Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18

FTP 1- Bake Oven 0.31 0.29 0.30 0.24 0.18 0.31

FTP 2- Bake Oven 0.35 0.31 0.28 0.31 0.21 0.35

FTP-3 Bake Oven 0.27 0.25 0.22 0.20 0.18 0.16

FTP-4 Bake Oven 0.31 0.24 0.26 0.21 0.22 0.21

c) Captive Power Plant (CPP)

i. Particulate Matter (mg/Nm3)

Stack Description Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18

CPP- Unit 1 37 42 44 - 33 32

CPP- Unit 2 - - - - - -

CPP- Unit 3 42 36 37 39 32 42

CPP- Unit 4 41 39 41 36 36 36

CPP- Unit 5 40 40 43 42 38 39

CPP- Unit 6 39 39 36 39 40 41

CPP- Unit 7 37 - 39 41 33 30

CPP- Unit 8 41 36 38 43 30 32

CPP- Unit 9 38 41 35 40 34 31

ii. Mercury (mg/Nm3)

Stack Description Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18

CPP- Unit 1 0.015 0.008 0.012 - 0.010 0.015

CPP- Unit 2 - - - - - -

CPP- Unit 3 0.012 0.009 0.010 0.011 0.010 0.012

CPP- Unit 4 0.013 0.014 0.013 0.019 0.012 0.013

CPP- Unit 5 0.014 0.012 0.011 0.015 0.018 0.014

CPP- Unit 6 0.010 0.011 0.009 0.012 0.014 0.010

CPP- Unit 7 0.012 - 0.013 0.013 0.018 0.012

CPP- Unit 8 0.008 0.010 0.014 0.009 0.016 0.008

CPP- Unit 9 0.010 0.008 0.011 0.011 0.007 0.010

Note: The Environment Monitoring is done by third party M/s. Visiontek Consultancy Services Pvt.

Ltd. The required data is put in format from their report

Page 3 of 33

2. Fugitive Fluoride: Stack Description Total Fluoride (Kg/MT. Al.)

Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18

Potline-1 (Section-2) 0.34 0.33 0.35 0.33 0.34 0.35

Potline-2 (Section-7) 0.35 0.36 0.37 0.36 0.36 0.34

Potline-3 (Section-1) 0.36 0.35 0.36 0.34 0.35 0.36

3. Ambient Air Quality:

i. PM 10 size

Note: The Environment Monitoring is done by third party M/s. Visiontek Consultancy Services Pvt.

Ltd. The required data is put in format from their report

Page 4 of 33

iii. SO2 (g/m3)

Sl.

No Sampling Location

Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18

Limit (24 Hours Weighed Average) 80

1 Near Carbon Plant, Smelter-1 31.00 32.00 31.00 29.00 32.00 35.80

2 Near Rectifier of Expansion Pot

Room

25.00 24.00 22.00 21.00 26.00 34.80

3 Near R & R colony 22.00 23.00 21.00 23.00 21.00 23.50

4 Near China Gate Weigh Bridge 29.00 27.00 25.00 28.00 29.00 34.50

5 Near Cooling Tower IPP 19.00 18.00 17.00 21.00 22.00 16.80

6 Near ETP , Smelter-1 26.00 25.00 21.00 24.00 27.00 29.70

7 Near Cast House , Smelter-1 31.00 29.00 23.00 28.00 31.00 35.20

8 Near Pot Room , Smelter-1 33.00 31.00 29.00 31.00 32.00 36.40

9 Near Coal Yard of CPP 36.00 34.00 31.00 33.00 27.00 28.80

10 Near Cooling Tower of CPP 33.00 32.00 28.00 29.00 22.00 23.60

iv. NOx (g/m3)

Sl.

No Sampling Location

Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18

Limit (24 Hours Weighed Average) 80

1 Near Carbon Plant, Smelter-1 29.00 30.00 27.00 26.00 31.00 27.50

2 Near Rectifier of Expansion Pot

Room

27.00 28.00 24.00 28.00 30.00 33.60

3 Near R & R colony 24.00 23.00 19.00 21.00 21.00 27.50

4 Near China Gate Weigh Bridge 33.00 30.00 26.00 29.00 26.00 28.20

5 Near Cooling Tower IPP 16.00 15.00 12.00 15.00 15.00 22.80

6 Near ETP , Smelter-1 27.00 28.00 25.00 25.00 24.00 23.20

7 Near Cast House , Smelter-1 30.00 27.00 24.00 31.00 25.00 29.50

8 Near Pot Room , Smelter-1 31.00 32.00 27.00 30.00 31.00 32.20

9 Near Coal Yard of CPP 32.00 33.00 31.00 29.00 32.00 29.20

10 Near Cooling Tower of CPP 28.00 29.00 25.00 27.00 26.00 25.20

Note: The Environment Monitoring is done by third party M/s. Visiontek Consultancy Services Pvt.

Ltd. The required data is put in format from their report

Page 5 of 33

v. CO (mg/m3)

Sl.

No. Sampling Location

Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18

Limit (24 Hours Weighed Average) 2.0

1 Near Carbon Plant, Smelter-1 0.51 0.54 0.45 0.54 0.56 0.82

2 Near Rectifier of Expansion Pot

Room

0.60 0.48 0.39 0.62 0.56 0.75

3 Near R & R colony 0.52 0.42 0.46 0.49 0.51 0.63

4 Near China Gate Weigh Bridge 0.64 0.63 0.72 0.61 0.71 0.86

5 Near Cooling Tower IPP 0.28 0.25 0.21 0.26 0.33 0.54

6 Near ETP , Smelter-1 0.38 0.39 0.42 0.34 0.41 0.64

7 Near Cast House , Smelter-1 0.61 0.63 0.74 0.62 0.70 0.80

8 Near Pot Room , Smelter-1 0.57 0.58 0.53 0.55 0.51 0.81

9 Near Coal Yard of CPP 0.70 0.71 0.16 0.72 0.18 0.19

10 Near Cooling Tower of CPP 0.61 0.64 0.69 0.63 0.65 0.87

vi. Pb (g/m3)

Sl.

No. Sampling Location Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18

Limit (24 Hours Weighed Average) 1.0

1 Near Carbon Plant, Smelter-1 0.02 0.04 0.05 0.03 0.05 0.05

2 Near Rectifier of Expansion Pot

Room

0.03 0.02 0.03 0.04 0.04 0.04

3 Near R & R colony BDL BDL BDL BDL BDL BDL

4 Near China Gate Weigh Bridge 0.05 0.04 0.05 0.06 0.03 0.09

5 Near Cooling Tower IPP 0.02 0.01 0.03 0.03 0.02 0.02

6 Near ETP , Smelter-1 BDL BDL BDL BDL 0.03 BDL

7 Near Cast House , Smelter-1 0.03 0.03 0.04 0.02 0.04 0.04

8 Near Pot Room , Smelter-1 0.05 0.06 0.05 0.06 BDL 0.05

9 Near Coal Yard of CPP 0.04 0.05 0.03 0.05 0.04 0.05

10 Near Cooling Tower of CPP BDL BDL BDL BDL BDL BDL

Note: The Environment Monitoring is done by third party M/s. Visiontek Consultancy Services Pvt.

Ltd. The required data is put in format from their report

Page 6 of 33

vii. As (ng/m3)

viii. Ni (ng/m3)

Sl.

No. Name of Location

Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18

Limit (24 Hours Weighed Average) 06

1 Near Carbon Plant, Smelter-1 BDL BDL BDL BDL BDL BDL

2 Near Rectifier of Expansion Pot

Room

BDL BDL BDL BDL BDL BDL

3 Near R & R colony BDL BDL BDL BDL BDL BDL

4 Near China Gate Weigh Bridge BDL BDL BDL BDL BDL BDL

5 Near Cooling Tower IPP BDL BDL BDL BDL BDL BDL

6 Near ETP , Smelter-1 BDL BDL BDL BDL BDL BDL

7 Near Cast House , Smelter-1 BDL BDL BDL BDL BDL BDL

8 Near Pot Room , Smelter-1 BDL BDL BDL BDL BDL BDL

9 Near Coal Yard of CPP BDL BDL BDL BDL BDL BDL

10 Near Cooling Tower of CPP BDL BDL BDL BDL BDL BDL

Sl.

No. Name of Location

Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18

Limit (24 Hours Weighed Average) 20

1 Near Carbon Plant, Smelter-1 0.79 0.75 0.79 0.76 0.80 0.98

2 Near Rectifier of Expansion Pot

Room

0.64 0.66 0.65 0.62 0.69 0.89

3 Near R & R colony BDL BDL BDL BDL BDL BDL

4 Near China Gate Weigh Br

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