The Legal Implications of Asbestos Exposure: Insights from the Study on Mortality in Asbestos Cement Manufacturing Workers
Abstract
The study "Mortality of Workers Employed in Two Asbestos Cement Manufacturing Plants" by Hughes, Weill, and Hammad, published in the British Journal of Industrial Medicine in 1987, examines the mortality rates of 6,931 employees from two asbestos cement manufacturing plants in New Orleans. The researchers traced over 95% of the workers and analyzed their exposure to asbestos fibers, including chrysotile, amosite, and crocidolite. The study found that overall mortality rates for these workers were comparable to the general population of Louisiana for most causes, including non-malignant diseases and primary cancers other than lung cancer. However, 12 cases of mesothelioma were identified, with a clear link to asbestos exposure. The findings highlight the risks associated with occupational asbestos exposure, particularly in relation to mesothelioma, while also noting the latency period and exposure levels.
Legal Relevance
This study provides critical evidence for legal claims involving asbestos-related diseases. It establishes a clear link between occupational asbestos exposure and mesothelioma, a hallmark asbestos-related illness. The identification of specific asbestos fiber types (chrysotile, amosite, and crocidolite) strengthens claims by demonstrating the hazardous nature of these materials. The study also highlights the importance of occupational history in determining exposure levels, which can be used to counter defense arguments that other factors caused the disease. Additionally, the latency period for mesothelioma, as noted in the study, supports claims that symptoms may appear decades after exposure, reinforcing the need for long-term accountability by employers.
Occupation Groups at Risk
The study underscores the heightened risk for workers in asbestos cement manufacturing plants, particularly those involved in pipe production where crocidolite was used steadily. Other high-risk occupations include:
Current Medical Understanding
The study aligns with current medical knowledge that asbestos exposure is a primary cause of mesothelioma and other asbestos-related diseases. However, modern research emphasizes that even low levels of asbestos exposure can be harmful, and the latency period for diseases like mesothelioma can extend up to 40 years or more. While the study found mortality rates comparable to the general population for most causes, it may not fully account for underreporting or delayed diagnoses of asbestos-related conditions.
Citation
Hughes JM, Weill H, Hammad YY. Mortality of workers employed in two asbestos cement manufacturing plants. Br J Ind Med. 1987 Mar;44(3):161-74. doi: 10.1136/oem.44.3.161. PMID: 3828242; PMCID: PMC1007799.
National Library of Medicine Link
For further details, access the study on the National Library of Medicine’s website: Mortality of Workers Employed in Two Asbestos Cement Manufacturing Plants.
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