What is mesothelioma?

Risk factors for malignant mesothelioma

Those indirectly at risk

Bystander exposure

Bystander exposure is also knows as indirect occupational exposure. It occurs in those working near people using asbestos, for example, alongside insulators or laggers who were mixing asbestos on site, often in closed spaces.

Examples of those affected as bystanders include:

• carpenters
• plumbers
• welders
• boiler makers
• scrap metal workers
• electricians.