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Environmental fate & pathways

Biodegradation in water: screening tests

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Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The result was obtained from a publically available source which has been subject to peer-review and in which the original data sources are traceable.

Data source

Referenceopen allclose all

Reference Type:
other: Database
Title:
3-chloro-1,2-propanediol
Year:
2011
Bibliographic source:
Data bank of environmental chemicals, The Finnish Environment Institute (SYKE)
Reference Type:
publication
Title:
BOD and COD of some petrochemicals.
Author:
Bridie, A.L., Wolff, C.J.M. & Winter, M.
Year:
1979
Bibliographic source:
Water Res. 13:627-630

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I))
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
3-chloropropane-1,2-diol
EC Number:
202-492-4
EC Name:
3-chloropropane-1,2-diol
Cas Number:
96-24-2
IUPAC Name:
3-chloropropane-1,2-diol
Constituent 2
Reference substance name:
3-chloro-1,2-propanediol
IUPAC Name:
3-chloro-1,2-propanediol

Study design

Inoculum or test system:
activated sludge (adaptation not specified)
Details on inoculum:
Concentration of Activated Sludge: 30ppm.
Duration of test (contact time):
14 d
Initial test substance concentration
Initial conc.:
100 mg/L
Based on:
test mat.
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
O2 consumption

Results and discussion

% Degradation
Parameter:
not specified
Value:
68
Sampling time:
14 d

BOD5 / COD results

BOD5 / CODopen allclose all
Parameter:
BOD5
Value:
0.01 g O2/g test mat.
Parameter:
COD
Value:
0.98 g O2/g test mat.

Applicant's summary and conclusion

Interpretation of results:
readily biodegradable
Conclusions:
The substance is considered to be readily bidegradable.