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Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

Additional information

Seven publications record experimental result on ecotoxicological properties of 1,1-dichloroethylene in aquatic organisms. An overview of the ecotoxicological dataset is provided in the table below.

Section

Guideline

Species

Basis for effect

Endpoint

Effect concentration (mg/L)

Reference

Reliability

Short-term toxicity to fish

EPA-660/3-75-009

Lepomis macrochirus

Mortality

96h-LC50

= 74 (nom.)

Buccafusco et al., 1981

3

Short-term toxicity to fish

Lepomis macrochirus

Mortality

96h-LC50

= 220 (nom.)

Dawson, 1977

3

Short-term toxicity to fish

Menydia beryllina

Mortality

96h-LC50

=250 (nom.)

Dawson, 1977

3

Short-term toxicity to fish

EPA-660/3-75-009

Cyprinodon variegatus

Mortality

96h-LC50

96h-NOEC

= 250 (nom.)

= 80 (nom.)

Heitmuller et al., 1980

3

Short-term toxicity to aquatic invertebrates

EPA-660/375-009

Daphnia

magna

Mortality

48h-LC50

 

= 79 (nom.)

LeBlanc, 1980

3

Toxicity to aquatic algae

Chlamydomonas reinhardtii

Cell number

72h-EC50 72h-EC10

=9.12 (mea.) = 3.94 (mea.)

Brack and Rottler, 1994

2

Toxicity to aquatic algae

OECD

209

Scenedesmus abundans

Growth rate

96h-EC50 96h-EC10

= 410 (nom.)

= 240 (nom.)

Geyer et al., 1985

3

The lowest LC50 recorded in short-term toxicity testing was obtained with aquatic algae (72-h EC50= 9.12 mg/L) indicating that aquatic algae should be considered the most (acutely) sensitive trophic level.