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Respiratory Protection eTool

Respirator Change Schedules
Respirator Selection
Expert Systems
Respirator Basics
Home | Develop a Change Schedule | Select an Appropriate Respirator | Expert Systems | Respirator Basics
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Respirator Change Schedules Decision Logic Flowcharts

Go To Main page Flowchart 2
Text Version
  • 2
    • Gather MSDS for all known workplace chemicals.
    • Are MSDS available for all chemicals?
      • Yes - Go to "Determine hazardous chemicals possibly present"
      • No - Go to "Have all manufacturers been contacted for MSDS?"
    • Have all manufacturers been contacted for MSDS?
      • Yes - Go to "Identify chemicals which do not have MSDS available"
      • No - Contact manufacturers for MSDS - Go to "Are MSDS available for all chemicals?"
    • Identify chemicals which do not have MSDS available.
    • Research and gather available health & safety information.
    • Determine hazardous chemicals possibly present.
    • Determine products and byproducts of any chemical process.
    • Determine hazardous properties of concentrations of all chemicals.
    • Is there a possibility of unknown chemical contaminants?
      • Yes - Go to "Conduct sampling?"
      • No - 2R - Go to main page
    • Conduct sampling?
      • Yes - Go to "Contact appropriate experts to devise sampling scheme"
      • No - If unknown contaminants are present you cannot use APR.
    • Contact appropriate experts to devise sampling scheme.
    • Conduct Sampling and evaluate results - Go to "Is there a possibility of unknown chemical contaminants?"
Flowchart 2

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