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Table 1 Summary of the percentage of freshwater monitoring samples exceeding the EQS for diclofenac in freshwater derived in this study

From: Environmental quality standards for diclofenac derived under the European Water Framework Directive: 1. Aquatic organisms

Data set

Number of samples

Percentage of samples > 0.04 μg L−1

Percentage of samples > 0.13 μg L−1

Germany

233

83.3

44.6

Luxembourg

8

50.0

37.5

Flanders

1025

61.5

35.9

Hungary

20

55.0

35.0

Iceland

3

33.3

33.3

Cyprus

3

33.3

33.3

Slovakia

12

66.7

25.0

Wales

4

25.0

25.0

Austria

18

72.2

22.2

Poland

180

53.9

20.6

England

576

64.6

13.4

Denmark

8

37.5

12.5

The Netherlands

603

36.5

11.9

Portugal

218

10.6

9.2

Italy

50

30.0

8.0

France

21,472

13.8

4.1

Slovenia

30

30.0

3.3

Rhine

816

34.3

2.5

Danube

266

3.4

1.5

Sweden

93

35.5

1.1

Switzerland

714

42.9

0.0

Northern Ireland

284

0.4

0.0

Finland

46

13.0

0.0

Scotland

14

14.3

0.0

Latvia

9

0.0

0.0

Lithuania

11

0.0

0.0

Estonia

9

0.0

0.0

Ireland

6

16.7

0.0

Croatia

6

16.7

0.0