Cancer mortality among men and women workers of copper-ore enrichment factory

Abstract

We conducted a retrospective cohort mortality study of a copper-ore enrichment factory workers, with follow-up for >30 years, among copper production workers. The largest relative excesses for men of the copper-ore concentration factory were found for respiratory cancer (4.3), including cavity of nose and throat (11.9), and lung and trachea cancer (4.0). The largest relative excesses for women of this factory were found for digestive apparatus cancer (3.8), including intestine (8.2), and stomach cancer (2.8). The working conditions of the copper-ore enrichment factory are characterized with the influence of dust contains crystalline silicon dioxide, nickel and arsenic