
Respiratory Protection eTool
Respirator Change Schedules Decision Logic Flowcharts
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?"
