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Table 8.2.6.6 The Effects of Chlorophenols on Cladocerans (except Daphnia magna ).

line

mg/L

chlorophenol

species and conditions

effect

ref.

   

Daphnia carinata

   

0.55

2,4,5,6-TCP

 

24-h EC50

237

0.40

2,3,4,5,6-PCP

 

24-h EC50

237

   

Daphnia cucullata

   

1.5

2,3,4,5,6-PCP

98% pure PCP, 19C

48-h LC50

112

1.5

2,3,4,5,6-PCP

11 day old animals

48-h EC50

83

   

Daphnia pulex

   

0.246

2,3,4,5,6-PCP

hardness 45

48-h LC50

81

0.35-0.7

2,3,4,5,6-PCP

hardness 170

48-h LC50

82

0.9-1.4

2,3,4,5,6-PCP

23C, pH 8.0, hard. 240, alkal. 230

48-h EC50

58

1.04

2,3,4,5,6-PCP

22C, pH 7.8, hardness 120, alkalinity 110, conductivity 560

48-h LC50

80

1.08

2,3,4,5,6-PCP

22C, pH 7.7, hardness 200, alkalinity 140, conductivity 340

48-h LC50

80

1.14

2,3,4,5,6-PCP

22C, pH 7.8, hardness 120, alkalinity 110, conductivity 560

48-h LC50

80

1.2

2,3,4,5,6-PCP

98% pure PCP, 19C

NOEL

112

2.0

2,3,4,5,6-PCP

1 day old animals, 20C

48-h LC50

83

2.0

2,3,4,5,6-PCP

98% pure PCP, 19C

48-h LC50

112

>5

2,3,4,5,6-PCP

 

72-h EC

69

5

NaPCP

laboratory static bioassay

1-h LC0

69

   

Moina macrocarpa

   

3.0

2,3,4,5,6-PCP

 

3-h LC50

223

   

Ceriodaphnia affinis/dubia

   

0.161

2,3,4,5,6-PCP

pH 7.9, reduction in # of young

EC

113

0.307

2,3,4,5,6-PCP

pH 8.0, 24C

48-h LC50

113

0.347

2,3,4,5,6-PCP

pH 7.9, 25C

48-h LC50

113

Table 8.2.6.6 (continued)

mg/L

chlorophenol

species and conditions

effect

ref.

   

Ceriodaphnia reticulata

   

0.0041

2,3,4,5,6-PCP

pH 7.3, reduction in # of young

EC

113

0.022

2,3,4,5,6-PCP

pH 7.3, reduction in # of young

EC

113

0.150

2,3,4,5,6-PCP

pH 7.3, 24C

48-h LC50

113

0.164

2,3,4,5,6-PCP

hardness 45

48-h LC50

81

0.24

2,3,4,5,6-PCP

pH 7.8, 18C

48-h LC50

113

0.28

2,3,4,5,6-PCP

22C, pH 7.7, hardness 200, alkalinity 140, conductivity 340

48-h LC50

80

0.31

2,3,4,5,6-PCP

22C, pH 7.8, hardness 120, alkalinity 110, conductivity 560

48-h LC50

80

0.44

2,3,4,5,6-PCP

22C, pH 7.8, hardness 120, alkalinity 110, conductivity 560

48-h LC50

80

0.55

2,3,4,5,6-PCP

22C, pH 7.7, hardness 200, alkalinity 140, conductivity 340

48-h LC50

80

0.70

2,3,4,5,6-PCP

pH 7.9, 25C

48-h LC50

113

0.8-1.2

2,3,4,5,6-PCP

lab., replacement static bioassay, 13C, pH 7.5

48-h LC50

58

   

DAPHNIDS, water fleas

   

0.57

2,3,5,6-TTCP

 

48-h LC50

459

2.5

2,3,5,6-TTCP

 

24-h LC50

459

0.1

2,3,4,5,6-PCP

 

EC50

114

3.6

2,3,4,5,6-PCP

 

48-h LC50

323

   

Simocephalus vetulus

   

0.16

2,3,4,5,6-PCP

pH 7.3, 25C

48-h LC50

113

0.196

2,3,4,5,6-PCP

pH 8.2, 25C

48-h LC50

113

0.204

2,3,4,5,6-PCP

pH 8.0, 24C

48-h LC50

113

0.250

2,3,4,5,6-PCP

pH 7.7, 25C

48-h LC50

113

0.255

2,3,4,5,6-PCP

pH 8.0, 25C

48-h LC50

113

0.264

2,3,4,5,6-PCP

pH 8.3-7.9

48-h LC50

113

0.364

2,3,4,5,6-PCP

pH 8.3, 25C

48-h LC50

113

0.670

2,3,4,5,6-PCP

pH 7.8, 18C

48-h LC50

113

0.670

2,3,4,5,6-PCP

pH 7.5-8.2, 7-17C, river water

48-h LC50

206

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