- Y Diweddaraf sydd Ar Gael (Diwygiedig)
- Gwreiddiol (a wnaed Fel)
Dyma’r fersiwn wreiddiol (fel y’i gwnaed yn wreiddiol). This item of legislation is currently only available in its original format.
regulation 3(6)
1. Subject to paragraph 2, the criteria for the classification DS6 are that—
(a)the annual mean concentration of each substance listed in column (1) of Table 8 in samples taken from the sampling point for the waters in question in accordance with regulation 4 does not exceed the relevant concentration specified in column (2) of that Table; and
(b)the concentration of mevinphos in each sample so taken does not exceed 0.02 microgrammes per litre.
2. Where samples are taken in accordance with regulation 4 from more than one sampling point in relation to the waters in question, the criterion in paragraph 1(a) shall be satisfied in relation to the samples from each sampling point.
(1) | (2) |
---|---|
Substance | Annual mean concentration in microgrammes per litre |
4-Chloro-3-methyl-phenol | 40 |
2-Chlorophenol | 50 |
2,4-Dichlorophenol | 20 |
2,4-D (ester) | 1 |
(non-ester) | 40 |
1,1,1-Trichloroethane | 100 |
1,1,2-Trichloroethane | 400 |
Bentazone | 500 |
Benzene | 30 |
Biphenyl | 25 |
Chloronitrotoluenes | 10 |
Demeton | 0.5 |
Dimethoate | 1 |
Linuron | 2 |
Mecoprop | 20 |
Naphthalene | 10 |
Omethoate | 0.01 |
Toluene | 50 |
Triazaphos | 0.005 |
Xylene | 30 |
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