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Environmental Characterization and Mortality Experience of Attapulgite Clay Workers.


PB87231825

Publication Date 1980
Personal Author Zumwalde, R. D.; Ness, G. O.; Waxweiler, R. J.
Page Count 40
Abstract A retrospective cohort study of attapulgite (12174117) clay mill and mine workers at Engelhard Minerals and Chemicals Corporation (SIC-1454) was carried out, and environmental samples were collected and analyzed. All men who worked for at least 1 month during 1940 through 1975 at the facility made up the cohort. General air samples, personal breathing zone air samples, and settled dust samples were analyzed for free silica (7631869) and trace metals. Particulates were subjected to electron microscope characterization. Iron (7439896) was the only trace metal found in any appreciable quantity. The main constituent of samples was attapulgite clay.
Keywords
  • Environmental surveys
  • Industrial medicine
  • Attapulgite
  • Air pollution
  • Silicon dioxide
  • Iron
  • Mortality
  • Exposure
  • Toxicity
  • Inspection
  • Hazardous materials
  • Clay minerals
  • Dust
  • Particles
  • Fibers
  • Indoor air pollution
  • Toxic substances
  • Occupational safety and health
  • SIC 1454
  • Air sampling
  • Particulates
Source Agency
  • Centers for Disease Control Bureau of Laboratories
  • National Institute for Occupational Safety and Health
NTIS Subject Category
  • 57U - Public Health & Industrial Medicine
  • 57Y - Toxicology
  • 94D - Job Environment
  • 68G - Environmental Health & Safety
  • 68A - Air Pollution & Control
Corporate Authors National Inst. for Occupational Safety and Health, Cincinnati, OH. Div. of Surveillance, Hazard Evaluations and Field Studies.
Document Type Technical Report
NTIS Issue Number 198724
Environmental Characterization and Mortality Experience of Attapulgite Clay Workers.
Environmental Characterization and Mortality Experience of Attapulgite Clay Workers.
PB87231825

  • Environmental surveys
  • Industrial medicine
  • Attapulgite
  • Air pollution
  • Silicon dioxide
  • Iron
  • Mortality
  • Exposure
  • Toxicity
  • Inspection
  • Hazardous materials
  • Clay minerals
  • Dust
  • Particles
  • Fibers
  • Indoor air pollution
  • Toxic substances
  • Occupational safety and health
  • SIC 1454
  • Air sampling
  • Particulates
  • Centers for Disease Control Bureau of Laboratories
  • National Institute for Occupational Safety and Health
  • 57U - Public Health & Industrial Medicine
  • 57Y - Toxicology
  • 94D - Job Environment
  • 68G - Environmental Health & Safety
  • 68A - Air Pollution & Control
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