It was found that in persons exposed by vinyl chloride, the risk of hypertension increases six times in carriers of the genotype C/C polymorphic variant of Leu28Pro gene APO E, 9.5 times - in carriers of the genotype T/T polymorphic variant C786T gene eNOS3 and 1.75 times - in carriers of the genotype T/C polymorphic variant Met 235 Thr gene AGT.