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Table 8.2.6.4 The Effects of Chlorophenols on Aquatic Worms.

line

mg/L

chlorophenol

species and conditions

effect

ref.

   

OLIGOCHAETES

   

0.259

2,3,4,5,6-PCP

Branchiura sowerbyi - *

96-h LC50

618

0.305

2,3,4,5,6-PCP

Limnodrilus hoffmeisteri - *

96-h LC50

618

0.397

2,3,4,5,6-PCP

Spirosperma ferox - *

96-h LC50

618

0.527

2,3,4,5,6-PCP

Quistadrilus multisetosus - *

96-h LC50

618

0.582

2,3,4,5,6-PCP

Stylodrilus heringianus - *

96-h LC50

618

0.693

2,3,4,5,6-PCP

Rhyacodrilus montana - *

96-h LC50

618

0.906

2,3,4,5,6-PCP

Spirosperma nikolskyi - *

96-h LC50

618

0.970

2,3,4,5,6-PCP

Varichaeta pacifica - *

96-h LC50

618

0.11

NaPCP

Nais communis - **

96-h LC50

92

0.31

NaPCP

Ilyodrilus frantzi - **

96-h LC50

92

   

Tubifex tubifex

   

0.286

2,3,4,5,6-PCP

20C, pH 7.5

24-h LC50

334

0.351

2,3,4,5,6-PCP

10C, pH 7.0, hardness 5.3

96-h LC50

618

0.619

2,3,4,5,6-PCP

20C, pH 8.5

24-h LC50

334

1.294

2,3,4,5,6-PCP

20C, pH 9.5

24-h LC50

334

   

Tubificid worms

   

1.0

2,3,4,5,6-PCP

20C

48-h LC50

197

0.31

NaPCP

static lab. bioassay, 20C, pH 7.5

24-h LC50

334

0.67

NaPCP

static lab. bioassay, 20C, pH 8.5

24-h LC50

334

1.4

NaPCP

static lab. bioassay, 20C, pH 9.5

24-h LC50

334

   

Liver flukes

   

10.0

2,4-DCP

egg hatching at 20C

24-h EC8.2

388

5.0

2,4,5-TCP

egg hatching at 20C

24-h EC100

388

10.0

2,3,4,6-TTCP

egg hatching at 20C, Na salt

24-h EC3.4

388

2.5

NaPCP

egg hatching at 20C

24-h EC100

388

   

Planaria

   

13.0

2,4,5-TCP

Dugesia japonica

7-d EC50

237

0.13

2,3,4,5,6-PCP

Dugesia lugubris, 20C

48-h LC50

197

0.25

2,3,4,5,6-PCP

Erpobdella octoculata, leech, 20C

48-h LC50

197

* pH 7, 10C, hardness 5.3.
** pH 7, 10C, in the dark.

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