Toxic Agents in the Agro-Ecosystem Chairman’s Comments

  • Gordon W. Newell
Part of the Basic Life Sciences book series (volume 6)


As we begin the session concerned with Toxic Agents In the Agro-Ecosystem, it seems proper to consider additional ways in which a chemical may interact with its target. While the first portion of this session dealt principally with the direct effects of mycotoxins acting on receptor systems, the following papers will offer possibilities wherein exposures to combinations of chemicals can complicate an assessment of associated health hazards. How, then, does the risk to health from exposure to a combination of chemicals compare to an estimated risk from exposure to a single chemical by itself? This question recently was considered by a National Research Council panel concerned with maritime personnel exposed to multiple cargo vapors. The following comments reflect certain observations and conclusions of this panel.


General Mechanism Toxic Agent Individual Chemical Single Chemical Exogenous Chemical 
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Copyright information

© Plenum Press, New York 1982

Authors and Affiliations

  • Gordon W. Newell
    • 1
  1. 1.National Academy of SciencesUSA

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