Car painters` exposure to a mixture of organic solvents. Serum activities of liver enzymes.

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Abstract
The serum activities of liver enzymes of car painters (102) exposed to a mixture of solvents [toluene, xylene and other constituents; about half the threshold limit value recommended by the American Conference of Governmental Industrial Hygienists (ACGIH) in 1981] were compared with those of age-matched referents (102). The activities of aspartate aminotransferase, alanine aminotransferase, ornithine carbamoyl transferase and .gamma.-glutamyl transferase did not differ between the exposed and nonexposed groups. Simultaneous neurophysiological and ophthalmological examinations of the same car painters had distinguished subgroups of solvent-affected and nonaffected car painters. The enzyme activities were not higher in the affected subgroups. Car painters exposure to organic solvents (at the overall level of half the threshold limit value of the ACGIH) did not increase liver enzyme activities in routine tests.

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