Annex I, Part A - Priority Substances & Pollutants in water

This list contains environmental quality standards (EQS), including annual averages and maximum allowable concentrations, for priority substances and certain other pollutants, as provided for in Article 16 of Directive 2000/60/EC establishing a framework for Community action in the field of water policy.


ecnumber: 255-894-7 casnumber: 42576-02-3
Average limit
0.0012 µg/l
Maximum limit
0.004 µg/l
Average sampling duration
1 yr
Emission medium
Surface waters other than inland surface waters
12 Unless otherwise specified, the EQS parameter expressed as an annual average value (AA-EQS) applies to the total concentration of all isomers.

13 Inland surface waters encompass rivers and lakes and related artificial or heavily modified water bodies.