LYCOS RETRIEVER 
Beryllium: Air
built 438 days ago
Beryllium exists in air as very small dust particles. It enters waterways during weathering of soils and rocks. Industrial emissions will add beryllium to air and wastewater disposals will add beryllium to water. It usually settles in sediment. Beryllium as a chemical element occurs naturally in soils in small amounts, but human activities have ... increased these beryllium levels. Beryllium is not likely to move deeper into the soil and dissolve within
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Avoid breathing Beryllium dust or fumes by working in well-ventilated, well-exhausted areas where Beryllium air observation is done regularly. Use all ventilation and exhaust equipment accessible in order to reduce exposures to the lowest possible level.
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Beryllium is used as an alloying agent in producing beryllium copper which is extensively used for springs, electrical contacts, spot-welding electrodes, and nonsparking tools. It has found application as a structural material for high-speed aircraft, missiles, spacecraft, and communication satellites. It is being used in the windshield frame, brake discs, support beams, and other structural components of the space shuttle. Because beryllium is relatively transparent to X-rays, ultra-thin Be-foil is finding use in X-ray lithography for reproduction of microminiature integrated circuits.
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