Five more subway maintenance workers diagnosed with blood cancer, bringing total to 13
Five additional maintenance workers at Seoul Metro have been diagnosed with blood cancers, bringing the total number of known cases at the agency to 13, officials said Wednesday. The latest cases include two workers who have already died, raising new concerns over workplace safety and potential long-term exposure to carcinogenic substances. The workers, who were responsible for maintaining electric railcars on Lines 1 through 8, were found to have leukemia or lymphoma, both types of blood cancer. All five had performed core maintenance tasks such as dismantling, cleaning, repairing, welding, grinding and repainting trains over several years. The findings follow the discovery last year that eight other workers had been similarly diagnosed. According to a recent report submitted to Seoul Metro by the Korea National Open University’s industry-academic cooperation team, which conducted an investigation beginning in December 2023, two of the five newly identified workers died from acute leukemia. One, born in 1970, joined the company in 1993 and was diagnosed in 2009 after years of maintenan
Jun 19, 2025By Hankookilbo