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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Reference
Reference Type:
review article or handbook
Title:
TEST PLAN LUBRICATING OIL BASESTOCKS CATEGORY
Author:
The Petroleum HPV Testing Group www.petroleumhpv.org
Year:
2003
Bibliographic source:
Final Lubricating Oil Basestocks Consortium Registration # 1100997

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
Version / remarks:
Includes extended exposure of 96 hours
Performed as Water Accommodated Fraction (WAF)
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
White mineral oil (petroleum)
EC Number:
232-455-8
EC Name:
White mineral oil (petroleum)
Cas Number:
8042-47-5
Molecular formula:
C15 - C50
IUPAC Name:
White mineral oil
Test material form:
liquid
Specific details on test material used for the study:
Not specified, but described as low aromatic hydrocarbons

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
no
Details on test solutions:
In view of low water solubility, prepared as water accomodated fractions up to 10 000

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
static
Water media type:
freshwater
Limit test:
yes
Total exposure duration:
96 h
Remarks on exposure duration:
Observations at 48 and 96 hours

Test conditions

Hardness:
Not specified
Test temperature:
According to guidelines
pH:
Not specified
Dissolved oxygen:
Not specified
Nominal and measured concentrations:
Tested as WAF withloading of 10 000 mg/l
Actual concentrations less than limit of solublity

Results and discussion

Effect concentrationsopen allclose all
Duration:
48 h
Dose descriptor:
EC0
Effect conc.:
> 10 000 mg/L
Nominal / measured:
nominal
Conc. based on:
other: WAF
Basis for effect:
mobility
Duration:
96 h
Dose descriptor:
EC0
Effect conc.:
> 10 000 mg/L
Nominal / measured:
nominal
Conc. based on:
other: WAF
Basis for effect:
mobility
Details on results:
No adverse effects
In other references to the same research, it was noted that there was no undissolved material as 'slicks' on the surface and no residues on the surface of the glass.

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
This is one of several summary documents confirming no adverse effects at the limit of solublity or where water accomodated fraction is used.