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You've now read about comparing exposure and effects data by the
quotient method or by comparisons using the entire stressor-response
curve. The third way that assessors estimate risk though exposure/effects
comparisons is using methods that incorporate the variability in
exposures and effects.
If the exposure or stressor-response profiles describe the variability
in exposure or effects, then many different risk estimates can be
calculated.
Variability in exposure can
be used to estimate risks to moderately or highly exposed members
of a population being investigated. Variability in effects
can be used to estimate risks to average or sensitive population
members.
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Advantages and
Limitations of Comparisons by Methods That Incorporate Variability
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Now you've seen four ways to compare exposure and effects data.
Relevant
guidelines section(s): 5.1.5
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