| Organochlorine components | Observation | Mean | Std. Dev. | Min | Max | Standard |
| Heptachlore | 30 | 0.035816 | 0.006953 | 0.016 | 0.058 | 0.020 |
| Methoxy-chlore | 30 | 0.002 | 0 | 0.002 | 0.002 | |
| Endosulfan α, β, suif | 30 | 0.002532 | 0.000448 | 0.001 | 0.002778 | 0.010 |
| Hexachloro-benzene (BHC) | 30 | 0.123673 | 0.022486 | 0.03 | 0.16 | 0.020 |
| Aldrine + Dieldrine | 30 | 0.056502 | 0.005388 | 0.044 | 0.069 | 0.020 |
| chlordane | 30 | 0.002973 | 0.000756 | 0 | 0.004 | 0.010 |
| lindane | 30 | 0.094351 | 0.019451 | 0.02 | 0.16 | |
| Epoxyde d’heptachlore | 30 | 0.030664 | 0.005122 | 0.009 | 0.042 | 0.020 |
| α-BHC | 30 | 0.018611 | 0.001719 | 0.01 | 0.02 | |
| β-BHC | 30 | 0.017221 | 0.003439 | 0 | 0.02 | |
| ∆-BHC | 30 | 0.018611 | 0.001719 | 0.01 | 0.02 | |
| DDE | 30 | 0.003741 | 0.000973 | 0 | 0.006 | |
| DDT | 30 | 0.027221 | 0.006805 | 0 | 0.04 | |
| Dichloro-biphenyl | 30 | 0.047221 | 0.008596 | 0.01 | 0.06 | |
| Endrine aldéhyde | 30 | 0.013995 | 0.002136 | 0.004 | 0.018 | 0.01 |
| Initial weigth (g) | 30 | 285.1429 | 74.26858 | 106 | 584 |