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Respiratory Protection eTool

Respirator Change Schedules Decision Logic Flowcharts

Go To Flowchart 4 Flowchart 6
Text Version
  • 6
    • Are contaminants likely candidates for testing?
      • Yes - Go to "Perform laboratory tests?"
      • No - A change-out schedule is not appropriate for these contaminants. You cannot use APR.
      • Unknown - Go to "Do contaminants meet 'Rule of thumb?'"
    • Do contaminants meet "Rule of thumb?"
      • Yes - Go to "Attempt mathematical prediction?"
      • No - A change-out schedule is not appropriate for these contaminants. You cannot use APR.
    • Attempt mathematical prediction?
      • Yes - Go to "Perform model to estimate service life"
      • No - Go to "Are contaminants likely candidates for testing?"
    • Perform model to estimate service life - Go to "Are contaminants likely candidates for testing?"
    • Perform laboratory tests?
      • Yes
    • Laboratory testing protocols.
    • Field testing protocols.
    • 7 Go to flowchart 4
Flowchart 6

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