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Environmental fate & pathways

Biodegradation in water: screening tests

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Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
1 (reliable without restriction)
Justification for type of information:
May, 2017. Because of in the NDA 01-04-1385-00 carried out by Germany was not requested to indicate the endpoint study record, considering the data inserted in the course of the assessment to be correct and exhaustive the proper “Adequacy of study” has been selected.
Qualifier:
according to guideline
Guideline:
other: 92/69/EWG, C.4-C
GLP compliance:
yes
Inoculum or test system:
not specified
Reference substance:
other: Natriumacetat
Parameter:
% degradation (CO2 evolution)
Value:
0
Sampling time:
7 d
Parameter:
% degradation (CO2 evolution)
Value:
50
Sampling time:
14 d
Parameter:
% degradation (CO2 evolution)
Value:
85
Sampling time:
21 d
Parameter:
% degradation (CO2 evolution)
Value:
92
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
0 % degradation after 7 d
50 % degradation after 14 d
85 % degradation after 21 d
92 % degradation after 28 d
Results with reference substance:
Points of degradation plot (reference substance):
48 % degradation after 7 d
67 % degradation after 14 d
74 % degradation after 21 d
79 % degradation after 28 d
Interpretation of results:
readily biodegradable
Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
1 (reliable without restriction)
Justification for type of information:
May, 2017. Because of in the NDA 01-04-1385-00 carried out by Germany was not requested to indicate the endpoint study record, considering the data inserted in the course of the assessment to be correct and exhaustive the proper “Adequacy of study” has been selected.
Qualifier:
according to guideline
Guideline:
other: 92/69/EWG, C.4-C
GLP compliance:
yes
Inoculum or test system:
not specified
Reference substance:
other: Natriumacetat
Parameter:
% degradation (CO2 evolution)
Value:
2
Sampling time:
7 d
Parameter:
% degradation (CO2 evolution)
Value:
28
Sampling time:
14 d
Parameter:
% degradation (CO2 evolution)
Value:
81
Sampling time:
21 d
Parameter:
% degradation (CO2 evolution)
Value:
92
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
2 % degradation after 7 d
28 % degradation after 14 d
81 % degradation after 21 d
92 % degradation after 28 d
Results with reference substance:
Points of degradation plot (reference substance):
48 % degradation after 7 d
67 % degradation after 14 d
74 % degradation after 21 d
79 % degradation after 28 d
Interpretation of results:
readily biodegradable

Description of key information

Key value for chemical safety assessment

Biodegradation in water:
readily biodegradable

Additional information