History As Occupational Disease
Cases of bronchitis and pneumonia-like symptoms were reported in Germany and Russia in the 1930's, among workers mining and refining beryllium. By 1946, a cluster of cases associated with fluorescent lamp manufacturers were apparent in the United States, and the lamp industry stopped using beryllium in 1949. The level of reaction of individuals varies greatly, with some not developing symptoms until years after exposure within industrial plants, but other workers only exposed to traces of dust became affected as well. A study found 1% of people living within 3/4 of a mile of a beryllium plant in Lorain, Ohio, had berylliosis after exposure to concentrations estimated to be less than 1 milligram per cubic metre of air. In the United States the Beryllium Case Registry contained 900 records, early cases relating to extraction and fluorescent lamp manufacture, later ones coming from the aerospace, ceramics and metallurgical industries.
Read more about this topic: Berylliosis
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