In the working environment we measured the concentrations of hexane, heptane, octane, toluene, methylene chloride, benzene, trichloroethylene, methyl isobutyl ketone, methylacetate, 4-hydroxy-4-methyl-2-pentan... butylacetate, styrene, 1,2,4-trimethylbenzene, o-, m, - p-xylene, and ethylbenzene.
In the urine of the workers phenyl glyoxylic acid, dl-mandelic acid, 2-methylhippuric acid, 3-methylhippuric acid, chromium, and lead were measured.
Exposure in the working areas was unexpectedly low.
www.baua.deWeiterhin wurden in der Raumluft der Betriebe die Konzentrationen von Hexan, Heptan, Octan, Toluol, Methylenchlorid, Benzol, Trichlorethylen, Methylisobutylketon, Methylacetat, 4-Hydroxy-4-methyl-2-pentanon, Butylacetat, Styrol, 1,2,4-Trimethyl-benzol, o-, m, - p-Xylol und Ethylbenzol gemessen.
Im Urin der Beschäftigten wurden Phenylglyoxylsäure, dl-Mandelsäure, 2-Methylhippursäure, 3-Methylhippursäure, Chrom und Blei untersucht.
Die Raumluftbelastung in den Betrieben war insgesamt unerwartet niedrig.
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