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Proceedings Paper

Occupational glycol ether exposure: examinations to the evaluation of a limit value for biological monitoring of 2-ethoxyethanol and 2-ethoxyethyl acetate
Author(s): Birgit Soehnlein; Karl Heinz Schaller; Juergen Angerer
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Paper Abstract

Seventeen persons from a varnish production plant or the ceramic industry were examined for their excretion of 2-ethoxyacetic acid (EAA) in urine after occupational exposure to 2- ethoxyethanol (EE) or 2-ethoxyethyl acetate (EEAc). Sampling of urine was performed before and during an exposure-free weekend. On Friday post-shift a median value of 29,8 mg/l was determined for EAA in urine, on Monday morning of 10,7 mg/l. Based on the EAA elimination curves a medium half-life of 57,4 or 57,1 hours respectively was calculated. These values are considerably longer than values from literature (21 - 42 hours). As a consequence the German BAT value of 50 mg EAA per liter urine is only half as high as the currently discussed proposal for the American BEI value.

Paper Details

Date Published: 9 March 1993
PDF: 6 pages
Proc. SPIE 1716, International Conference on Monitoring of Toxic Chemicals and Biomarkers, (9 March 1993); doi: 10.1117/12.140283
Show Author Affiliations
Birgit Soehnlein, Univ. Erlangen-Nuernberg (Germany)
Karl Heinz Schaller, Univ. Erlangen-Nuernberg (Germany)
Juergen Angerer, Univ. Erlangen-Nuernberg (Germany)

Published in SPIE Proceedings Vol. 1716:
International Conference on Monitoring of Toxic Chemicals and Biomarkers
Tuan Vo-Dinh; Karl Cammann, Editor(s)

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