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Environmental Assessment

Health Effects of Inhaled Crystalline and Amorphous Silica

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Recently, public concern regarding nonoccupational or ambient silica exposure, mainly to crystalline silica, has emerged making it important to evaluate background and ambient concentrations. Ambient emissions of silica rarely are estimated or measured in air pollution studies of particulate matter. Crystalline silica is widely used in industry and has long been recognized as a major occupational hazard, causing disability and deaths among workers in several industries. This is a health risk assessment covering the causes and studies of crystalline silica exposure.

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Jeffrey S. Gift
  • by phone at:   919-541-4828
  • by fax at:   919-541-0245
  • by email at:  gift.jeff@epa.gov

Citation

U.S. EPA. Health Effects of Inhaled Crystalline and Amorphous Silica. U.S. Environmental Protection Agency, Office of Research and Development, National Center For Environmental Assessment, Research Triangle Park Office, Research Triangle Park, NC, EPA/600/R-95/115, 1996.

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