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(1997-2001)

Year

 

  Zed Industries

    G.T.B.N

M.C. Tubewell, 27

   SPM

 SO2

NOx

 SPM

 SO2

 NOx

 SPM

  SO2

  NOx

1997

425

20

45

368

18

42

425

17

45

1998

548

21

42

314

22

46

588

21

41

1999

400

20

40

321

21

40

537

20

40

2000

 211

 12

32

209

11

31

363

12

32

2001

220

11

31

136

11

30

231

11

31

 

 

(1997-2001)

Year

 

PPCB

Punjab Maltex

M.C. Tubewell, 27

      Focal Point

SPM/RSPM

 SO2

NOx

 SPM/RSPM

 SO2

 NOx

 SPM/RSPM

  SO2

  NOx

 SPM/RSPM

  SO2

  NOx

2001

277

17

22

313

20

29

231

11

31

-

-

-

2002

303

13

22

329

16

26

339

16

27

-

-

-

2003

266

11

26

323

11

28

332

11

28

-

-

-

2004

166

10

27

246

11

31

217

11

31

-

-

-

 

Units : µg/m3


Source: Punjab Pollution Control Board , Patiala