Occupational Safety and Health Administration OSHA

Slide 10

Slide 10


Title: Carbon Dioxide

Type: Text Slide


  • Colorless odorless gas
    • Displaces oxygen leading to oxygen deficiency
  • Special problem in Midwest area
    • Limestone Rock
      • Calcium Carbonate
    • Acidic topsoil
    • Acid leaches from soil, which then contacts the limestone producing Carbon Dioxide
  • Numerous fatalities
    • Especially in new sewer/vault leak testing using a vacuum
    • Pulls carbon dioxide into the space
      • Oxygen measured at less than 3% on other similar fatalities
      • 5 similar cases known Nation-wide since 2000; 2 cases with 4 fatalities in the Kansas City area
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