A method for evaluating the mean exposure from a lognormal distribution.

@article{Rappaport1987AMF,
  title={A method for evaluating the mean exposure from a lognormal distribution.},
  author={Stephen M. Rappaport and Steve Selvin},
  journal={American Industrial Hygiene Association journal},
  year={1987},
  volume={48 4},
  pages={374-9}
}
OSHA's risk assessments, made in support of new standards, implicitly assume that workers are exposed at the level of the PEL on the average over their working lifetimes. This approach seems to be justified at least in cases where the toxicant is eliminated slowly from the critical site in the body. Thus, there are situations where the industrial hygienist should seek to evaluate worker mean exposure overtime. A simple testing procedure is proposed for determining whether the mean exposure of a… CONTINUE READING

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