Range

Mean ± SD

CV%

% Occurrence

α-BHC

-

-

-

-

β-BHC

ND - 0.102

0.051 ± 0.042

89.4

66.7

ϒ-BHC

ND - 0.035

0.013 ± 0.012

92.3

83.3

δ-BHC

0.01 - 0.024

0.010 ± 0.008

88.9

100

∑BHC

0.004 - 0.144

0.070 ± 0.058

82.8

100

Heptachlor

ND - 0.081

0.030 ± 0.036

117

83.3

Heptachlor-epoxide

ND - 0.017

0.008 ± 0.006

62.5

83.3

∑heptachlor

0.01 - 0.098

0.038 ± 0.039

103

100

p,p’-DDE

ND - 0.009

0.003 ± 0.004

133

50

p,p’-DDD

ND - 0.013

0.006 ± 0.006

100

66.7

p,p’-DDT

ND - 0.008

0.004 ± 0.003

75

66.7

∑DDT

0.004 - 0.26

0.013 ± 0.008

61.5

100

Aldrin

ND - 0.075

0.029 ± 0.026

89.6

83.3

Dieldrin

ND - 0.114

0.034 ± 0.048

141

33.3

Aldrin + dieldrin

ND - 0.189

0.063 ± 0.073

116

83.3

Endrin

ND

-

-

-

Endrin aldehyde

ND

-

-

-

∑Endrin

ND

-

-

-

Endosulfan 1

ND - 0.025

0.007 ± 0.010

143

33.3

Endosulfan II

ND

-

-

-

Endosulfan sulphate

ND

-

-

-

∑Endosulfan

ND - 0.025

0.007 ± 0.010

143

33.3

Methoxychlor

ND

-

-

-

TOCP

0.029

0.288 ± 0.204

70.8

100