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RR460 – Trends in inhalation exposure Mid 1980’s till present

Although occupational exposure levels are likely to have changed over time, relatively few studies have been conducted to investigate the long-term changes in exposure. Data sets held by the collaborators and the National Exposure DataBase (NEDB) were reviewed to investigate the long-term changes in inhalation exposure to toluene, wood dust, flour dust, respirable dust and quartz exposure in quarries, and process dust and fume exposure in the rubber manufacturing industry from the mid 1980s onwards. Follow-up sampling measurements were also obtained in 28 companies where exposure measurements of toluene, wood dust or respirable dust and quartz had been collected over 10 years ago. During these visits employees were interviewed to identify factors that could have resulted in changes in exposure between surveys.

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