3,4-dimethyl-1H-pyrazole

Biodegradation in water: screening tests

Administrative data

Endpoint:

biodegradation in water: ready biodegradability

Type of information:

experimental study

Adequacy of study:

key study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

1997

Report date:

1997

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 301 A (Ready Biodegradability: DOC Die Away Test)

Test material

Test material information

Constituent 1

Study design

Oxygen conditions:

aerobic

Inoculum or test system:

activated sludge, domestic, non-adapted

Duration of test (contact time):

28 d

Initial test substance concentration

Initial test substance concentration 1

Initial conc.:

20 mg/L

Based on:

DOC

Initial test substance concentration 2

Initial conc.:

67 mg/L

Based on:

test mat.

Results and discussion

% Degradation

Key result

Parameter:

% degradation (DOC removal)

Value:

>= 0 - <= 10

Sampling time:

28 d

Applicant's summary and conclusion

Validity criteria fulfilled:

yes