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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 />

Method : smog chamber experiment with black light irradiation<br />

dry air pressure 735 Torr<br />

Temp. 296+-2 K<br />

irradiation time 4-20 min<br />

reference substance: propene<br />

OH radical concentration: (1-3) x 10E7 molecule cm-3<br />

Result : k[OH] = 67.8 [10E-12 cm3 molecule-1 s-1]<br />

Reliability : (1) valid without restriction<br />

Test procedure in accordance with generally accepted<br />

scientific standards; detailed documentation of test<br />

procedure and test conditions<br />

11.05.2004 (10)<br />

Type : air<br />

Light source :<br />

Light spectrum : nm<br />

Relative intensity : based on intensity of sunlight<br />

Deg. product :<br />

Method :<br />

Year : 1987<br />

GLP : no data<br />

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

Method : I. Smog chamber experiment<br />

II. Inkrement method<br />

Result : m-cresol:<br />

I. observed: k[OH] = 57 [10E-12 cm3 molecule-1 s-1]<br />

II. calculated: k[OH] = 94 [10E-12 cm3 molecule-1 s-1]<br />

Reliability : (1) valid without restriction<br />

Test procedure in accordance with generally accepted<br />

scientific standards; detailed documentation of test<br />

procedure and test conditions<br />

12.05.2004 (11)<br />

Type : air<br />

Light source :<br />

Light spectrum : nm<br />

Relative intensity : based on intensity of sunlight<br />

Deg. product :<br />

Method : other (measured)<br />

Year : 1978<br />

GLP : no data<br />

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

Method : smog chamber<br />

Temp. 300 +-1 K<br />

reference substances: n-butane, neopentane<br />

initial concentration ca. 0.25 ppm for m-cresol<br />

OH radical concentration: (1-4)x10E6 molecule cm-3<br />

Result : k[OH] = 67 [10E-12 cm3 molecule-1 s-1]<br />

Reliability : (1) valid without restriction<br />

Test procedure in accordance with generally accepted<br />

scientific standards; detailed documentation of test<br />

procedure and test conditions<br />

12.05.2004 (12) (13)<br />

Type : air<br />

Light source :<br />

Light spectrum : nm<br />

Relative intensity : based on intensity of sunlight<br />

UNEP PUBLICATIONS 309

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