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 |