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Table 8.2.6.3 The Effects of Chlorophenols on Protozoans and Coelenterates.

line

mg/L

chlorophenol

species and conditions

effect

ref.

   

PROTOZOANS

   

0.5

2,4-DCP

Entosiphon sulcatum, pH 6.9, cell division

72-h EC

42

1.5

2,4-DCP

Uronema parduczi, cell division effects, static bioassay

EC

382

5.8

2,4-DCP

Chilomonas paramecium, cell division

EC

382

1.4

2,3,5,6-TTCP

growth inhibition after 60 hours, # of cells

60-h EC50

454

1.4

2,3,5,6-TTCP

growth inhibition after 60 hours, # of cells

60-h EC50

455

   

Tetrahymena pyriformis, ciliate

   

67.97

2-MCP

 

2-d EC50

244

15.0

2,4-DCP

 

2-d EC50

244

0.68

2,4,5-TCP

 

24-h EC50

237

119

2,3,4,5-TTCP

growth at 27C

EC50

260

1.01

2,3,5,6-TTCP

 

2-d EC50

244

0.15

2,3,4,5,6-PCP

 

24-h EC50

237

0.72

2,3,4,5,6-PCP

 

48-h EC50

244

   

COELENTERATES

   
   

Hydra oligactis

   

0.43

2,3,4,5,6-PCP

17C

LC0

112

0.73

2,3,4,5,6-PCP

17C

48-h LC50

112

0.73

2,3,4,5,6-PCP

20C

48-h LC50

197

0.032

NaPCP

 

21-d NOEL

333

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