The subjective symptoms related to long-term exposure to a mixture of organic solvents were investigated in a comparison of the test results of 64 workers in the paint manufacturing industry with those of a reference group.
The organic solvent concentration in the air of the paint manufacturing factory was significantly higher than wire manufacturing factory, but only one of them exceeded reference value. The mean concentration of hippuric acid in urine of the
manual
workers in the paint factory was significantly higher than that of the clerical workers, but not than that of the manual workers in wire factory. Of the paint manufacturing manual workers, seven persons exceeded reference value (1.0 mg/l), but no
one of
the clerical workers and coil manufacturing manual workers. Of the subjective symptoms, 'nasal irritation', 'drunken feeling', 'heartburn' 'unusual smell' 'dizziness' and 'headache' during work, and 'heaviness in the head' 'headache' 'difficulty
in
hearing' 'ringing in ears' 'decrease in muscle power of the extremities' 'decreased libido', 'dizziness', 'muddle headedness', 'decrease in sense of smell', 'numbness on extrimities', 'abnormal sensation on extrimities', 'tremor in extrimities',
'poor
appetite', 'dry mouth', 'general weekness' and 'fainting on sudden stand-up' in daily life were complained in higher proportion of the higher in paint manufactring workers.
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