<unk><unk>  and discs produced at the plant The<unk>  in Beaverton, Oregon, was evaluated for public health effects by the Oregon Department of Human Services (ODHS) under a cooperative agreement with the Agency for Toxic Substances and Disease Registry (ATSDR). Workers there were potentially exposed to the industrial solvent trichloroethylene (TCE), classified by the International Agency for Research on Cancer (IARC) as a probable human carcinogen. At the<unk> , which closed in 2001, it had been estimated by ODHS that up to 25,000 workers may have been exposed to TCE via the<unk> 's drinking water, which was drawn from a<unk>  on-site. However, further investigation showed that the actual number of employees who can be identified from employment records for the site is approximately half that number. In addition, the number of employees identified as having worked at the site for more than five years is likely to be less than 1,000. The site is now considered safe.
View-Master factory supply well
Safety of emergency medical services flights
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Limited radiology technician
Dorland's medical reference works
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Outline of public health