Worker exposure and re-entry studies

Field methods for performing farm worker exposure and re-entry studies... 

Field data from a worker exposure and re-entry study can be organized many ways. Field data usually fit into several categories including activities and traits of workers... 

Many and varied field techniques involved in the planning, execution, and direction of the field portion of worker exposure and re-entry studies have been considered. Suffice it to say that there are many ways to perform such studies, and the important thing to remember is that good scientific thought and planning will produce an excellent study. The scientific validity of such studies should rest on the basic principles of science. There are various guidelines and protocols which may be followed for regulatory... 

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