Table 5 A comparison of the TEL, PEL, ERL and ERM guideline values (µg Kg−1) for PCBs and OCPs and data found in the Volturno River and Estuary, South Italy
TEL | Samples percentage over the TEL | PEL | Samples percentage over the PEL | ERL | Samples percentage over the ERL | ERM | Samples percentage over the ERM | |
|---|---|---|---|---|---|---|---|---|
PCBs | ||||||||
Total PCBs | 21.6 | 60 | 189 | 0 | 22.7 | 50 | 180 | 0 |
OCPs | ||||||||
γ-HCH (lindane) | 0.32 | 0 | 0.99 | 0 | – | – | ||
Dieldrin | 0.72 | 0 | 4.3 | 0 | 0.02 | 70 | 8 | 0 |
4,4–DDD | 1.22 | 10 | 7.81 | 0 | 2 | 0 | 20 | 0 |
4,4–DDE | 2.07 | 0 | 374 | 0 | 2.2 | 0 | 27 | 0 |
4,4–DDT | 1.19 | 0 | 4.77 | 0 | 1 | 10 | 7 | 0 |
Total DDT | 3.89 | 0 | 51.7 | 0 | 1.58 | 10 | 46.1 | 0 |