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Table 6.6.

Long-term toxicity of Dibutyl phthalate to aquatic invertebrates


 

 

Review of Environmental
Fate and Effects of Selected
Phthalate Esters

Test species

(F/S)

N/M

Test
duration

Endpoint

EC50 or LC50
(mg/l)

NOEC (LOEC)
(mg/l)

Reference

Daphnia magna

F

M

21 d

Survival


 

0.96 (2.5)

/35, 36/

Daphnia magna

F

M

21 d

Survival/
reproduction

0.20
(0.16-0.25)

0.11 (0.20)

/93/

Daphnia magna

F

N

21 d

Survival/
reproduction


 

1.0

/58/

Daphnia magna

F

N

16 d

Fecundity


 

0.56 (1.8)

/86/

Daphnia magna

F

M

21 d

50% reproduction impairment

1.64


 

/93/

Dugesia
japonica

F

N

7 d

Mortality

6.9


 

/77/

Dugesia
japonica

F

N

7 d

Head
regeneratiom

3.5


 

/77/

Gammarus pulex

F

N

25 d

Locomotor activity


 

0.10 (0.50)

/94/

Palaemonetes pugio

S

M

30 d

Larval mortality


 

10.0 (50.0)

/37/

Estaurine
microcosm

S

M

2 weeks

Abundance and diversity


 

0.04 (0.34)

/95, 96/

F: Fresh water; S: Salt water; N: Nominal; M: Measured concentration; NOEC: No Observed Effect Concentration; LOEC: Lowest Observed Effect Concentration.