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Mesocosm experiments in the approval procedure for pesticides

Table 3.
Overview of raw data from the database for the PLS models developed for macroinvertebrates. See Table 2 for abbreviations used. Sediment 1 refers to sediment present in mesocosm, 0 to no sediment; Macrophytes: 1 = present, 0 = no macrophytes; N= no information given on presence of marcophytes Field/lab: 1 = Field study, 0 = Laboratory study. For all macroinvertebrate groups the lowest effect concentrations observed for each functional group in each mesocosm experiment were used as Y variables, expressing the toxic response of the organisms in the mesocosms (values shown in bold). L = Laboratory study at controlled temperature and light availability (hence latitude and longitude not relevant); F = flow-through study; - = no data. See Annex B for literature references.

Exp.

Pesticide

CAS No.

Day num-
ber

Latitude

Longitude

Field
half life

Log KD

Log KOW

Dosing
interval

d

Residence
time

d

Number of additions

Volume

m3

Depth

m

Sedi-
ment

Macro
phytes

Field/
Lab

83tll

cyfluthr

68359375

174

33

100

-0.0100

5.00

6.00

14

500

11

634.7

1.3

1

N

1

84tll

cyfluthr

68359375

174

33

100

-0.0100

5.00

6.00

14

500

11

1.9

1.0

1

N

1

42flm

chlorpyr

2921882

167

51,58

5,4

-0.0100

3.78

4.60

0

500

1

55.0

0.5

1

1

1

57flm

esfenval

66230044

155

46,45

92,07

-0.0086

3.72

6.22

28

500

2

25.0

0.5

1

1

1

123flm

lamb_cyh

91465086

144

51

0

-0.0100

5.26

7.00

14

500

4

25.0

1.0

1

1

1

57tll

Diazinon

333415

134

38,58

95,14

-0.0075

3.00

3.30

70

500

4

11.2

1.3

1

1

1

53flm

chlorpyr

2921882

79

L

L

-0.0100

3.78

4.60

0

500

1

0.70

0.7

1

1

0

76tll

lamb_cyh

91465086

174

35,26

77,59

-0.0100

5.26

7.00

14

500

12

450.0

1.0

1

1

1

75mli

hexazin

51235042

L

L

L

-0.0033

1.73

1.04

0

0.1

1

F

F

0

0

1

50flm

chlorpyr

2921882

54

L

L

-0.0100

3.78

4.60

0

500

1

0.70

0.7

1

1

0

25tll

endsulfa

115297

L

L

L

-0.0060

4.09

4.74

21

500

2

0.003

0.1

1

1

0

110tll

carbofur

1563662

100

53,33

113,15

-0.0060

1.34

1.52

0

500

1

1.2

0.6

1

1

1

47flm

esfenval

66230044

139

31,5

89,5

-0.0086

3.72

6.22

17

500

5

700.0

1.5

1

1

1

51flm

chlorpyr

2921882

54

L

L

-0.0100

3.78

4.60

0

500

1

0.70

0.7

1

0

0

113tll

esfenval

66230044

68

56,5

10

-0.0086

3.72

6.22

0

500

1

36.0

0.5

1

N

1

125flm

trahalom

66841256

125

32

97

-0.0111

5.00

5.00

13

500

6

635.0

1.3

1

1

1

60flm

lamb_cyh

91465086

141

51,3

1,2

-0.0100

5.26

7.00

14

500

4

25.0

1.0

1

1

1

 

Table 3
cont.

Exp.

Single species toxicity
µg l-1

Mesocosm LOEC
µg l-1

HC5,50

LC50/10
(OECD)

Lowest LC50
Insecta

Lowest LC50
oth.Arthopoda

Std. of LC50

Nonpredatory

Predatory

Epi-fauna

In-fauna

83tll

0.070

0.014

0.458

0.14

2.20

2.625

4.12

2.625

2.625

84tll

0.070

0.014

0.458

0.14

2.20

2.63

2.63

2.625

2.625

42flm

0.0440

0.0077

1.80

0.077

4.96

0.10

0.10

0.10

0.10

57flm

0.178

0.024

-

0.24

1.27

0.16

0.16

0.02

0.16

123flm

0.0803

0.0117

-

0.30

2.25

0.068

0.068

0.068

0.68

57tll

0.0280

0.0027

0.027

0.451

26.38

36.80

9.60

9.60

88.0

53flm

0.0440

0.0077

1.80

0.077

4.96

35.0

35.0

35.0

35.0

76tll

0.0803

0.0117

-

0.30

2.25

0.0012

0.0012

0.0012

0.115

75mli

4.1839

0.90

-

442000

2.35

2700

2700

2700

2700

50flm

0.0440

0.0077

1.80

0.077

4.96

5.0

-

5.0

5.0

25tll

0.0220

0.010

2.30

0.10

16.54

2.0

2.0

2.0

2.0

110tll

0.0474

0.0193

0.193

12.50

15.06

5

-

5.0

-

47flm

0.1779

0.0240

-

0.24

1.27

1.28

1.28

1.28

-

51flm

0.0440

0.0077

1.80

0.077

4.96

35.0

-

35.0

-

113tll

0.1779

0.024

-

0.24

1.27

0.035

-

0.035

-

125flm

0.0746

0.015

0.58

0.15

1.97

70.15

-

70.15

-

60flm

0.0803

0.01173

-

0.30

2.26

0.068

-

0.068

-

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