Abstract

Coke oven emissions are the volatile products released from bituminous coal during its conversion to coke in high temperature ovens in the absence of air. These emissions form from noncarbonaceous materials present in the coal prior to processing and comprise complex mixtures of dusts, vapors and gases including such chemicals as PAHs, aliphatic aldehydes and hydrocarbons, phenols and heterocyclic compounds as well as heavy metals such as arsenic, cadmium and mercury. Exposure to coke oven emissions may occur for workers in the aluminum, steel, graphite, electrical, and construction industries. Coke oven emissions represent an occupational and environmental health hazard and are classified as a known human carcinogen by the IARC (Group 1) and the US EPA (Group A) based on epidemiologic studies of coke oven workers with reported increases in cancers of the lung, trachea, bronchus, kidney, prostate, and other sites. In addition, animal studies have reported a causative effect between the development of lung and skin tumors and the inhalation coal tar particles.

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