NaphtholsInsecticidesCarbarylToxaphenePropoxurDieldrinPotassium IodideChlorpyrifosSkin AbsorptionPesticidesNaphthalenesBiodegradation, EnvironmentalAdministration, CutaneousWater Pollutants, ChemicalDigestive SystemSoil MicrobiologyDose-Response Relationship, DrugLungTime FactorsPuerto RicoSoilTranslationsPublic HealthTranslatingQuestionnairesHispanic Americans