Table 3 Categories of workers for whom high exposure to occupational bladder carcinogens has generally been established without specific epidemiological studies on the risk of bladder cancer in these groups of workers

Research laboratory workers [161]-[167]

Genetic engineering, nuclear biology, mutagenesis and cancerogenesis laboratories, weighing activities, use of reagents and synthetic intermediates*

Insufficient data to establish risk level

To the present day

Road surfacing workers [125]-[128]

Asphalt spreaders, gritters, compactors

Insufficient data to establish risk level

Up to the late 1980s

Workers using coal-tar creosotes [112],[168]-[170]

Workers conducting specific wood treatment activities

Insufficient data to establish risk level

To the present day

Calcium carbide production workers [171]

Production workers*

Insufficient data to establish risk level

Up to the mid 2000s

Shale oil extraction workers [172]

Shale oil extraction workers

Insufficient data to establish risk level

To the present day

Carbon black production workers [50],[173]-[176]

Manufacturing workers*

Insufficient data to establish risk level

To the present day

Carbon electrode manufacturing workers [177]-[179]

Manufacturing workers*

Insufficient data to establish risk level

To the present day

Coke manufacturing workers [125]-[128],[180]-[186]

Cokers

Insufficient data to establish risk level

To the present day

Carbon nut industry [187]

Manufacturing workers*

Insufficient data to establish risk level

To the present day

Carbon disc manufacturing [188]

Manufacturing* and maintenance workers

Insufficient data to establish risk level

To the present day

Clay pigeon manufacturing [188]

Manufacturing workers*

Insufficient data to establish risk level

To the present day

Cement oven repair [188]

Manufacturing workers*

Insufficient data to establish risk level

To the present day

Work on water conveyance conducts coated with varnish containing HAP [188]

Technicians/repair workers*

Insufficient data to establish risk level

To the present day

Glazing in aluminium foundries [188]

Glazers

Insufficient data to establish risk level

To the present day