Cancer Risk and Diesel Exhaust Exposure Among Railroad Workers

Abstract Inhalation exposure to diesel exhaust in the railroad work environment causes significant and quantifiable cancer risks many workers. Diesel has been identified as a known human carcinogen by International Agency for Research on Cancer (“IARC”) potential United States Environmental Protection (“USEPA”), California Agency’s Office of Health Hazard Assessment (“OEHHA”), National Institute Occupational Safety & (“NIOSH”). Peer-reviewed literature defines ambient air concentrations several occupations being above environmental background levels. This study uses conjunction with USEPA’s Integrated Risk Information System (“IRIS”) risk assessment methodology quantify posed workers due occupational inhalation exhaust. NIOSH Bulletin 68 (2017) states that there is “no safe level” carcinogens recommends an evaluation IRIS guidance evaluate quantitative carcinogens. first utilize USEPA calculate excess lung caused workers’ cumulative