Step 4 : Evaluate Exposure (Inhalation, Qualitative FDR - Frequency)

Frequency Rating

Select... Frequent (Exposure one or more time per shift or per day) Probable (Exposure greater than one time per week)< PEL Occasional (Exposure greater than one time per month) Remote (Exposure greater than one time per year) Improbable (Exposure once per year or less)