Re-Creation of Historical Chrysotile-Containing Joint Compounds
Author Information
Author(s): Gregory P. Brorby, Paul J. Sheehan, David W. Berman, John F. Greene, S. E. Holm
Primary Institution: Exponent, Inc.
Hypothesis
What are the characteristics and potential exposures associated with historical chrysotile-containing joint compounds?
Conclusion
The re-created joint compounds generally conformed to original product specifications, indicating they are representative of historical materials.
Supporting Evidence
- The re-created materials generally conformed to original product specifications.
- Chrysotile used in the re-created products was selected based on its similarity to historical materials.
- Testing showed that the re-created joint compounds had properties similar to those of the original formulations.
Takeaway
Researchers made new versions of old joint compounds that contained chrysotile, a type of asbestos, to study how they might have affected people in the past.
Methodology
Two types of chrysotile-containing joint compounds were produced according to original formulations from the late 1960s, and their properties were tested against original specifications.
Potential Biases
Potential bias may arise from the funding source, Georgia-Pacific, which has litigation interests related to joint compounds.
Limitations
The study is limited by the availability of historical joint compounds and the potential instability of aged products.
Digital Object Identifier (DOI)
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