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Expert advisory forum 14. February 2003

State of the review of priority (hazardous) substances

under Directive 91/414/EEC

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91/414/EEC Review of priority (hazardous) substances

Directive 91/414/EEC and Regulations 3600/92 and 451/2000 provide for a review of active substances used in plant protection.

All information considered

Peer Review

Scientific Committee on Plants

Publication of Review Report

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91/414/EEC Review of priority (hazardous) substances

Substance Algae andaquatic plants

Invertebrates andSediment dwellers

Fish CommunityStudies

LowestreportedNOEC

ProposedEQS

AlachlorPS 1

13 studies (algae)2 studies (lemna)

7 Studies (acute)4 Studies (chronic)

15 Studies (acute)3 Studies (chronic)

1 Study NOEC0.3μg/L

0.1μg/L

AtrazinePS 3

7 studies (algae)4 studies (lemna)

11 Studies (acute)2 Studies (chronic)

20 Studies (acute)3 Studies (chronic)

11 Studies NOEC20μg/L

10μg/L

SimazinePS 28

12 studies (algae)1 study (lemna)

9 Studies (acute)4 Studies (chronic)

15 Studies (acute)3 Studies (chronic)

3 Studies NOEC36μg/L

25μg/L

Chlor-pyriphosPS 9

6 studies (algae)no plant study

7 Studies (acute)2 Studies (chronic)

13 Studies (acute)9 Studies (chronic)

3 Studies NOEC0.01μg/L

0.1 g/l

EndosulfanPS 14

2 studies (algae)1 study (lemna)

21 Studies (acute)5 Studies (chronic)

36 Studies (acute)3 Studies (chronic)

8 Studies NOEC0.04μg/L

0.004 µg /L

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91/414/EEC Review of priority (hazardous) substances

Substance Algae andaquatic plants

Invertebrates andSediment dwellers

Fish CommunityStudies

LowestreportedNOEC

ProposedEQS

IsoproturonPS 18

6 studies (algae)2 studies (lemna)

4 Studies (acute)5 Studies (chronic)

6 Studies (acute)2 Studies (chronic)

None NOEC13μg/L

1.3 μg/L

TrifluralinPS 30

4 studies (algae)1 study (lemna)

3 Studies (acute)1 Study (chronic)

3 Studies (acute)5 Studies (chronic)

None NOEC3.2 μg/L

0.03 μg/L

DiuronPS 13

6 studies (algae)1 study (lemna)

5 Studies (acute)6 Studies (chronic)

3 Studies (acute)2 Studies (chronic)

None NOEC1.3μg/L

0.13 μg/L

Lindane Withdrawn from market by Decision 2000/801/EC

Chlorfenvinphos

NOT NOTIFIED under Reg 451/2000 – Withdrawn from market in June 2003 by Regulation (EC) 2076/2002

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91/414/EEC Review of priority (hazardous) substances

Numerous validated results available. Detailed evaluations done for each study. In many cases, community-based studies

and estuarine / marine data are available. Rapporteur Member States have

intimate knowledge of the available data. Derivation of EQS not always done

in a consistent way.