Part II Copper concentrations (mg/1 Cu) for different water hardness values between 10 and 500 mg/l CaCO3I1
Northern Ireland Not yet in force
| Water hardness (mg/1 CaCO3) | ||||
|---|---|---|---|---|
(1) The presence of fish in waters containing higher concentrations of copper may indicate a predominance of dissolved organo-cupric complexes. | ||||
| 10 | 50 | 100 | 500 | |
| mg/1 Cu | 0.005f1 | 0.02 | 0.04 | 0.112 |
Annotations
Commencement
- I1
Sch. 2 Pt. II in operation at 5.1.1998, see reg. 1
Footnotes
- f1
(1)
The presence of fish in waters containing higher concentrations of copper may indicate a predominance of dissolved organo-cupric complexes.