Table 2
Occupational details, tumour latency and cumulative asbestos exposure
Case
Occupation
First exposure and duration
Latency (years)
Intensity
1
Labourer
1956–8 (2 years)
42
Light, unknown frequency
2
Shipyard joiner
1938–43 (5 years
60
Heavy, intermittent
3
Shipyard welder
1975–6 (18 months)
17
Heavy, intermittent