Table 2 Average magnetic field exposures among 20,141 Swiss railway workers.
Exposure measure | Station master | Train attendant | Shunting yard engineer | Train driver |
|---|---|---|---|---|
Average exposure in 1980 [μT] | 0.7 | 1.8 | 5.5 | 21.4 |
Average exposure in 2000 [μT] | 1.0 | 4.2 | 6.0 | 21.0 |
Median cumulative lifetime exposure [μT-years] | 5.7 | 13.3 | 42.1 | 120.5 |