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Table 8.2.5.1 The Effects of Chlorophenols on Aquatic Plants.

line

mg/L

chlorophenol

species and conditions

effect

ref.

   

Elodea canadensis canadian waterweed

   

0.23

2,3,4,5,6-PCP

growth reduction

21-d NOEL

113

0.38

2,3,4,5,6-PCP

growth reduction

21-d EC

113

0.81

2,3,4,5,6-PCP

growth reduction

14-d EC

113

1.44

2,3,4,5,6-PCP

growth reduction

7-d EC

113

   

Eichhornia crassipes water hyacinth

   

4.6

2,3,4,5,6-PCP

minimum dose to cause any effect

EC

332

73.9

2,3,4,5,6-PCP

lethal dose

LC100

332

5.0

NaPCP

field static bioassay with 'Santobrite'

EC

332

80.0

NaPCP

field static bioassay with 'Santobrite'

LC100

332

   

Lemna perpusilla duckweed

   

5.0

2,4-DCP

static culture, 27C, abnormal growth

14-d EC

3

5-15

2,4-DCP

static culture, 27C, abnormal growth

14-d EC

3

20

2,4-DCP

static culture, 27C, growth effects

14-d EC100

3

0.1

2,4,6-TTCP

static culture, 27C, growth effects

14-d NOEL

3

5.0

2,4,6-TTCP

static culture, 27C, growth effects

14-d EC100

3

15

2,3,4,5,6-PCP

serious effects on aquatic plants

none

162

   

Lemna sp. duckweeds

   

4.79

4-MCP

 

EC

220

5.92

2,3,6-TCP

 

EC

220

0.603

2,3,4,6-TTCP

 

EC

220

   

Lemna gibba duckweed

   

0.032

2,3,4,5,6-PCP

frond density, biomass, pH 5.0, 25C

14-d NOEL

759

0.072

2,3,4,5,6-PCP

frond density, biomass, pH 5.0, 25C

14-d LOEL

759

   

Lemna minor duckweed

   

283

4-MCP

static bioassay, pH 5.1, 25C, chlorosis

48-h EC50

372

283

4-MCP

static bioassay, pH 5.1, 25C, chlorosis

48-h EC50

381

58.3

2,4-DCP

static bioassay, pH 5.1, 25C, chlorosis

48-h EC50

381

283

2,4-DCP

static bioassay, pH 5.1, 25C, chlorosis

EC50

381

1.66

2,4,5-TCP

static bioassay, pH 5.1, 25C, chlorosis

72-h EC50

372

1.66

2,4,5-TCP

static bioassay, pH 5.1, 25C, chlorosis

72-h EC50

381

5.92

2,4,6-TCP

static bioassay, pH 5.1, 25C, chlorosis

72-h EC50

372

5.92

2,4,6-TCP

static bioassay, pH 5.1, 25C, chlorosis

72-h EC50

381

0.603

2,3,4,6-TTCP

static bioassay, pH 5.1, 25C, chlorosis

72-h EC50

381

1.4

2,3,4,6-TTCP

static bioassay, pH 5.1, 25C, chlorosis

48-h EC50

381

0.189

2,3,4,5,6-PCP

static bioassay, pH 5.1, 25C, chlorosis

48-h EC50

381

1.44

2,3,4,5,6-PCP

growth reduction

21-d EC

113

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