Mixed LOF

Short-term toxicity to fish

Administrative data

Endpoint:

short-term toxicity to fish

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

1996

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 203 (Fish, Acute Toxicity Test)

Deviations:

no

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

Mixed LOF

IUPAC Name:

Mixed LOF

Sampling and analysis

Analytical monitoring:

yes

Details on sampling:

Samples were taken on Day 0, 1, 2, and 3 from the stirring vessels used to prepare the WAFs and from the 'old' WAFs of each treatment on Day 1 and at termination for analysis.

Test solutions

Vehicle:

no

Details on test solutions:

Test solution was renewed daily.

Test organisms

Test organisms (species):

Oncorhynchus mykiss (previous name: Salmo gairdneri)

Details on test organisms:

Fish were approximately 4 weeks old at initiation of exposure, and were quarantined and observed for parasites and disesase for at least 12 days before the test.

Study design

Test type:

semi-static

Water media type:

freshwater

Limit test:

no

Total exposure duration:

96 h

Test conditions

Test temperature:

15 C

Results and discussion

Effect concentrations

Duration:

96 h

Dose descriptor:

LL50

Effect conc.:

21 mg/L

Nominal / measured:

meas. (arithm. mean)

Conc. based on:

test mat.

Basis for effect:

mortality (fish)

Applicant's summary and conclusion

Conclusions:

In an exposure to WAFs of Mixed LOF to rainbow trout, the 96-hour LL50 was 21 mg/L.

Executive summary:

In an exposure to WAFs of Mixed LOF to rainbow trout, the 96-hour LL50 was 21 mg/L.