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Mesocosm experiments in the approval procedure for pesticides

Table 13.
Overview of raw data from the database for the PLS models developed for microalgae (phytoplankton & periphytes). See Table 2 for abbreviations used. For Sediment 1 refer to sediment present in mesocosm, 0 to no sediment; Macrophytes: 1 = present, 0 = no macrophytes; Field/lab: 1 = Field study, 0 = Laboratory study. For all microalgal groups tested the lowest effect concentrations observed in each mesocosms 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); - = no data. See Annex B for literature references.

Exp.

Pesticide

Day number

Latitude

Longitude

Log KD

Log KOW

Dosing
interval
d

Number of addi-
tions

Volume
m3

Depth
m

Sedi-
ment

Maco-
hytes

Field/
Lab

HC5,50

EC50/10
(OECD)

Micr_
min

16ank

Atrazin

84

48,15

11,34

2

2.5

26

3

1.00

0.8

1

-

1

19.87

2.6

225.0

55flm

Linuron

110

L

L

2.6

3

3

10

0.60

0.5

1

1

0

19.67

5

516.7

59flm

esfenval

106

32

87

3.72

6.22

10

8

1100.0

1

1

1

1

0.178

0.024

3.60

121fl

fenpropi

173

48,23

11,44

-

-

14

2

0.70

0.7

1

1

1

-

-

0.60

122fl

fenpropi

180

47

8,0

-

-

14

2

20.0

0.7

1

1

1

-

-

0.58

123fl

lamb_cyh

144

51

0

5.26

7

14

4

25.0

1

1

1

1

0.080

0.0117

0.68

38tll

gluf_amm

83

46,5

84,07

-

0.1

291

2

16.0

0.9

1

-

1

415295

56000

2000

72tll

Atrazin

151

43,6

79,3

2

2.5

223

2

120.0

4.8

1

0

1

19.87

2.60

160.0

113tll

esfenval

68

56,5

10

3.72

6.22

0

1

36.0

0.5

1

-

1

0.178

0.024

0.035
 

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