m-Cresol - ipcs inchem

OECD SIDS
m-CRESOL
3. ENVIRONMENTAL FATE AND PATHWAYS ID: 108-39-4
DATE: 24.05.2004
generally accepted calculation method
Flag : Critical study for SIDS endpoint
11.12.2002 (32)
3.4 MODE OF DEGRADATION IN ACTUAL USE
3.5 BIODEGRADATION
Type : aerobic
Inoculum : predominantly domestic sewage
Concentration : .8 mg/l related to COD (Chemical Oxygen Demand)
related to
Contact time :
Degradation : = 90 (±) % after 28 day(s)
Result :
Kinetic of testsubst. : 7 day(s) = 45 - 80 %
14 day(s) = 70 - 90 %
21 day(s) = 75 - 70 %
28 day(s) = 90 - 90 %
%
Control substance : other: phenol, 0.8 mg/l
Kinetic : 28 day(s) = 73 %
%
Deg. product :
Method : OECD Guide-line 301 D "Ready Biodegradability: Closed Bottle Test"
Year : 1988
GLP : no
Test substance : other TS: m-cresol pure
Result : 10-day window criteria is met
Test condition : Inoculum
- Type of sludge: activated sludge
- Source: treatment plant, receiving domestic sewage
- Sampling site: Odenthal
Concentration of control substance: 0.8 mg/l
Analytical parameter: Oxygen consumption
Test temperature: 20 degrees C
Test was performed in two paralleles.
Reliability : (2) valid with restrictions
Guideline Study
Flag : Critical study for SIDS endpoint
11.05.2004 (33)
Type : aerobic
Inoculum : predominantly domestic sewage
Concentration : 2.4 mg/l related to COD (Chemical Oxygen Demand)
related to
Contact time :
Degradation : = 65 (±) % after 28 day(s)
Result :
Kinetic of testsubst. : 7 day(s) = 55 - 58 %
14 day(s) = 58 - 66 %
21 day(s) = 61 - 65 %
28 day(s) = 65 - 65 %
%
Control substance : other: phenol, 2.4 mg/l
Kinetic : 28 day(s) = 69 %
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