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#5611 |
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can cause chronic beryllium
disease (CBD) |
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#5612 |
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or beryllium
sensitization. CBD is a chronic, often debilitating, and sometimes fatal lung condition. |
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#5613 |
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Beryllium sensitization is a
condition in which a person’s immune |
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#5614 |
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system becomes highly responsive
(allergic) to the presence of beryllium |
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#5615 |
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There has long been scientific
consensus that exposure to airborne beryllium is the only cause of CBD. |
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#5616 |
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As of September 1999, among the
11,266 current and former DOE federal and contractor workers who were screened for the disease, 130 workers had been diagnosed with CBD, and another 277 workers had become sensitized to beryllium. |
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#5617 |
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DOE anticipates
an increase in the number of workers who may be exposed to beryllium |
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#5618 |
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DOE moves forward with deactivating
and decommissioning former nuclear weapons production facilities. The current worker protection permissible exposure limit (PEL) of 2 mg/m3, measured as an 8-hour, timeweighted average (TWA), was adopted by the Occupational Safety and Health Administration (OSHA) in 1971 and codified in 29 CFR 1910.1000, Tables Z– 1, Z–2 and Z–3 by reference to existing national consensus standards. DOE’s predecessor agency, the Atomic Energy Commission (AEC), had previously established the same limit of 2 mg/m3 for application at its facilities in 1949, and that limit has remained in effect at DOE’s facilities up to the present. In 1977, the National Institute for Occupational Safety and Health (NIOSH), a federal agency, recommended to OSHA an exposure limit of 0.5 mg/m3 for beryllium |
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#5619 |
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NIOSH,
at the same time, classified beryllium as a potential occupational carcinogen |
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#5620 |
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Between the 1970s and 1984, there
appeared to be a significant reduction in the incidence rate of CBD. This, coupled with the long latency period for the disease, led to the assumption that CBD was occurring only among workers who had been exposed to high levels of beryllium decades earlier (e.g., in the 1940s) |
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#5621 |
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However, the number of
confirmed cases of CBD, more recent data suggesting the occurrence of CBD among workers with low-level exposures, and the expected future increase in the number of workers potentially exposed to beryllium (during decontamination and decommissioning activities) all indicate a need for more |
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#5622 |
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The Hanford Beryllium Awareness Group would like to take this chance to welcome you.
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#5623 |
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Beryllium on the Hanford site is becoming a growing health and safety concern.
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#5624 |
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In an joint effort between DOE, all the contractors and the Beryllium Awareness Group we are trying to insure everyone understands the issues concerning exposure to beryllium.
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#5625 |
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This web site is set up to provide current employees with information about Beryllium as it pertains to the Hanford Site.
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