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m-Cresol - ipcs inchem

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OECD SIDS<br />

m- / p-CRESOL MIXTURE<br />

3. ENVIRONMENTAL FATE AND PATHWAYS ID: 15831-10-4<br />

DATE: 24.05.2004<br />

Concentration : .39 mg/l related to Test substance<br />

related to<br />

Contact time :<br />

Degradation : 100 (±) % after 17 day(s)<br />

Result :<br />

Deg. product :<br />

Method : other: measured<br />

Year : 1989<br />

GLP : no<br />

Test substance : other TS: m-cresol, no purity reported<br />

Result : lag phase 3 days, completely degraded in 17 d<br />

Test condition : inoculum prepared by mixing waste water samples from 12<br />

denitrifying treatment plants<br />

incubated at 27 degrees C in the dark<br />

Reliability : (2) valid with restrictions<br />

Study in accordance with generally accepted scientific<br />

standards and described in sufficient detail<br />

24.05.2004 (30)<br />

Type : anaerobic<br />

Inoculum : other: municipal sewage sludge from primary anaerobic digesters<br />

Concentration : 50 mg/l related to Test substance<br />

related to<br />

Contact time : 56 day(s)<br />

Degradation : 100 (±) % after 49 day(s)<br />

Result :<br />

Deg. product : yes<br />

Method : other: measured<br />

Year : 1983<br />

GLP : no<br />

Test substance : other TS: m-cresol, no purity reported<br />

Deg. products : 74-82-8 200-812-7 methane<br />

Result : substance disappeared completely after 7 weeks<br />

net CH4 production >90% of theoretical value<br />

no transformation products observed<br />

Test condition : mineral salt medium with 10% sludge<br />

Temperature 35 degrees C<br />

Reliability : (2) valid with restrictions<br />

No standard test procedure, but in accordance with generally<br />

accepted scientific standards and described in sufficient<br />

detail<br />

12.05.2004 (31)<br />

Type : anaerobic<br />

Inoculum : anaerobic sludge<br />

Deg. product : yes<br />

Method : other: measured<br />

Year : 1983<br />

GLP : no<br />

Test substance : other TS: m-cresol, no purity reported<br />

Deg. products : 74-82-8 200-812-7 methane<br />

Remark : sensitivity of acid formers and methanogenic consortia<br />

examined<br />

Result : at

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