Benzene exposure in a sample of population residing in a district of Florence, Italy

摘要: Abstract Objective Personal exposure to airborne benzene is influenced by various outdoor and indoor sources. The first aim of this study was assess the a sample urban inhabitants living in an inner-city neighborhood Florence, Italy, excluding from active smoking. secondary objective differentiate personal exposures according usage patterns vehicles. Methods A 67 healthy non-smokers monitored passive samplers during two 4-weekday campaigns winter late spring. Simultaneously, measurements were also taken for subset participants, inside outside their houses. 4-day time microenvironment activity diary completed each subject sampling period. Other relevant data collected questionnaire before sampling. Additional on ambient air levels available public quality network. samplers, after automated thermal desorption, analyzed GC-FID. Results Benzene averaged 6.9 (SD = 2.1) 2.3 (SD = 0.7) μg/m3 spring, respectively. Outdoor showed high correlation poor In highest people traveling more transport, followed users only car bus Conclusions spent in-transport work or leisure makes major contribution among Florentine non-smoking citizens. Indoor pollution transportation means contribute significantly individual especially season.