Documenting the asbestos story in Sarnia

Area of Science:

• Occupational Health and Safety
• Environmental Toxicology
• Industrial Hygiene

Background:

• Concerns raised by an occupational health clinic regarding former Sarnia foundry and insulation plant workers' health issues, including cancer, respiratory, hearing, and heart problems.
• Union involvement with the Canadian Auto Workers (CAW) highlighted potential links between workplace exposures and worker illnesses.

Purpose of the Study:

• To investigate the workplace exposures of former Sarnia foundry and insulation plant workers.
• To examine the history of regulatory oversight and its effectiveness in controlling workplace hazards.

Main Methods:

• Review of government documents pertaining to workplace regulations and exposure levels in Sarnia.
• Analysis of historical data on occupational exposures in the foundry and insulation industries.

Main Results:

• Identification of a history of ineffectual regulation in Sarnia workplaces.
• Discovery of asbestos exposure levels hundreds of times over legal limits, among the highest recorded in Canadian workplaces.

Conclusions:

• Ineffective regulation contributed to severe occupational exposures, particularly to asbestos.
• The findings underscore the critical need for stringent enforcement of occupational health and safety standards to prevent worker illness.