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Health Effects of Exposure to Radon: BEIR VI
TABLE A-2 Summary of new information on 5 miner cohorts
Chinese tin miners
New information indicated miners worked 313 days/yr before 1953, 285 days/yr from 1953–84, and 259 days/yr from 1985.
Czech uranium miners
Exposure histories re-evaluated and follow-up improved. There were 705 lung-cancer cases, compared to 661 in the previous analysis. Cohort was enlarged from 4,284 to 4,320 miners, including all miners who entered 1948–59.
Tomásek and others 1994
Colorado uranium miners
Follow-up extended from December 31, 1987 to December 31, 1990. In updated data, there were 336 lung-cancer deaths < 3,200 WLM used in the pooled analysis (and 377 total cases), compared to 294 lung-cancer deaths < 3,200 WLM (and 329 total cases).