For definition of Groups, see Preamble Evaluation . Among heavily exposed workers, the relative risks are ten fold or more.
Risks increase with duration and cumulative exposure.
For definition of the italicized terms, see Preamble Evaluation . Mortality patterns among workers exposed to chloromethyl ethers - a prelimary report. Lung cancer following exposure to chloromethyl methyl ether. An epidemiological study. Occupational exposure to chloromethyl ethers.