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m-Cresol - ipcs inchem

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OECD SIDS<br />

p-CRESOL<br />

3. ENVIRONMENTAL FATE AND PATHWAYS ID: 106-44-5<br />

DATE: 24.05.2004<br />

incubation for 20 d at 37 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 (64)<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 21 day(s)<br />

Result :<br />

Deg. product :<br />

Method :<br />

Year : 1983<br />

GLP : no<br />

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

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

Result : substance disappeared completely after 3 weeks<br />

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

no transformation products observed<br />

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

Temp. 35 degrees C<br />

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

Study in accordance with generally accepted scientific<br />

standards and described in sufficient detail<br />

07.05.2004 (65)<br />

Type : anaerobic<br />

Inoculum : other: phenol-enriched metanogenic culture<br />

Concentration : 100 mg/l related to Test substance<br />

related to<br />

Contact time :<br />

Degradation : ca. 100 (±) % after 192 hour(s)<br />

Result :<br />

Deg. product : yes<br />

Method :<br />

Year : 1988<br />

GLP : no<br />

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

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

Result : lag time 70 h, complete disappearance after 192 h, the CH4<br />

production was 90% of the theoretical production<br />

Test condition : nominal test concentrations p-cresol 50, 100, 150, 250, 300, 400, 500, and<br />

700 mg/l + phenol 200 mg/l<br />

incubation at 35 degrees C with continuous shaking<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 />

07.05.2004 (66)<br />

Type : anaerobic<br />

Inoculum : other: anoxic lake sediment<br />

Concentration : .1 mg/l related to Test substance<br />

.8 mg/l related to Test substance<br />

Deg. product :<br />

UNEP PUBLICATIONS 215

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