METHOD VALIDATION FOR HS-SPME / GC-MS FOR DETERMINATION OF CARBARYL IN BLOOD PLASMA. The aim this research is to develop a HS-SPME/GC–MS method to analyze the carbaryl in blood plasma samples of the rural workers, who live round the perimeter of Chapada do Apodi-CE. This was achieved by chromatographic signal of the 1-naftol, degradation product of carbaryl with the intention of evaluating the degree of exposur...