PubMed:23022850 / 500-1048 JSONTXT

{"project":"PubMed_Structured_Abstracts","denotations":[{"id":"T3","span":{"begin":0,"end":548},"obj":"METHODS"}],"text":"After completing a questionnaire and assessing occupational exposure to BTEX compounds, 78 (46 exposed and 32 non-exposed) depot workers were randomly selected to participate in this study. Air sampling and analysis of BTEX was conducted according to the NIOSH method No. 1501. Analysis of urinary hippuric acid, as an indicator of toluene exposure, was carried out according to NIOSH method No. 8300. Personal monitoring of the high exposure group to BTEX compounds was repeated to verify the results obtained in the first phase of the monitoring."}