ABSTRACT
The basic exposure in reentry intoxications occurs via skin. The formation of more toxic metabolites or interaction with other substances in the environment may take place. Many variables should be taken into consideration in determining and evaluating re-entry periods. The state of California established occupational re-entry safety standards for citrus fruit, peaches, grapes, and apple. B. D. Culver criticized the concept of worker re-entry intervals as unrealistic in the long run and not a permanent solution. As an alternative, he suggested preventive medical programs, which should include a variety of laboratory tests to ensure no negative health effect in the working environment. Re-entry intervals are difficult to implement because of the inherent complexity of modern pest control technology that is multiple chemicals, formulations, and dosage rates, as well as unpredictable climate conditions that affect the degradation of residues.
