C-Stage

E-Stage

H-Stage

Combined Effluent

WOOD BASED MILL

Sample- 1

40

35

60

50

Sample- 2

50

40

65

42

Sample- 3

44

30

57

55

AGRO BASED MILL

Sample- 1

37

34

47

40

Sample- 2

40

33

45

40

Sample- 3

35

30

43

44

Table 3: Fish Toxicity (Lc50 Value) of Bleach Plant Effluents.