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Table 4.3.

Toxicity of Dimethyl phthalate to micro-organisms

 

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

Pseudomonas aeruginosa

F

N

48 h

Growth inhibition

  

1,000 (1,500)

/18/

Pseudobacterium phosphoreum

S

N

5-30 min

Light
inhibition

16-18

  

/19/

Tetrahymena pyriformis

F

N

24 h

Growth inhibition

  

100 (200)

/20/

Tetrahymena pyriformis

F

N

48 h

Growth inhibition

  

100 (200)

/21/

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