Abstract
Repeated extensive medical examinations were carried out in 11 workers spraying organophosphate (OP), carbamate and pyrethroid pesticides in greenhouses during the whole year and in 10 control persons. On a questionnaire their social, health and family status and their working conditions were recorded. Before and after a regular spraying period with pyrethroids for 3 months the following tests were carried out: urinalysis, haematology, immunoglobulin (Ig) G, IgA and IgM levels, whole blood cholinesterase (ChE) activity, serum 7-glutamyltransferase (GGT) activity, chromosome analysis and electrocardiography (ECG). Atmospheric concentrations of pyrethroids as well as their concentration in the blood and urine of pesticide workers were determined by means of gas-liquid chromatography (GLC). No abnormalities related to the work were found in the tests.
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