3. In relation to dichlorvos used as a treatment for sea-lice infestation, compliance with the relevant limit in column (2) of Table 7 shall be determined by reference only to samples taken as nearly as may be after 24 hours have elapsed since it was so used.
TABLE 6
| (1) | (2) |
|---|
| Substance | Limit (in microgrammes per litre) (annual mean) |
|---|
| Arsenic | 25 |
| Atrazine and Simazine | 2 (for the two substances in total) |
| Azinphos-methyl | 0.01 |
| Dichlorvos | 0.04 |
| Endosulphan | 0.003 |
| Fenitrothion | 0.01 |
| Malathion | 0.02 |
| Trifluralin | 0.1 |
TABLE 7
| (1) | (2) |
|---|
| Substance | Limit (in microgrammes per litre) |
|---|
| Dichlorvos | 0.6 |
| Tributyltin | 0.002 |
| Triphenyltin and its derivatives | 0.008 |
