▸ Group | |
Between group | Variability in mean exposure levels between groups |
▸ Personal | |
Within group or between workers | Variability in mean exposure levels between workers |
▸ Temporal | |
Within worker or day-to-day | Variability in exposure levels from day to day |
Within day | Variability in exposure levels within a day |
▸ Spatial | |
Between body location | Variability in exposure levels between body locations |