This is big news to those of us who research Johns-Manville history. The JM Claims Research Facility in Denver, Colorado will no longer allow scheduled appointments for in-person research. Starting July 1, 2023, all contacts are by phone or email which means, of course, that getting your eyeballs on the correct documents will be a…
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If my discussion last week at https://theasbestosblog.com/?p=11018 on asbestos containing products available one-hundred years ago wasn’t enough, I have attached at https://theasbestosblog.com/wp-content/uploads/2023/06/JM-Power-Users-1920-Material.pdf a 167 page publication by Johns-Manville from 1920 which discusses in exquisite detail all of its building materials. The Table of Contents is as follows: Also, for those of you who wonder whether…
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The 1920s saw a significant expansion in the use of asbestos containing products. For you to understand this history, I have attached the following three one-hundred year old articles from Raw Materials Magazine: (1) March 1920 article titled “Asbestos Manufactured Products and Uses,” (2) July 1922 article titled “Asbestos, An Ideal Insulating Material,” and (3)…
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As talc is becoming a bigger issue, I wanted to ensure that my readers are able to find and understand the history — even if needed for the deepest of deep dig. Of my 122 blog posts, three have focused on the history of talc. The first was on August 27, 2021, titled “Talc and…
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As my readership continues to grow, I like to periodically provide a searchable summary of my prior blog topics, just in case a reader would like to search for a specific topic. My prior posts of this list have drawn a lot of readers. As such, my prior asbestos blog posts are as follows: Blog…
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Global surveys seem to always include forgotten information. As an example, did anyone reading this blog know or remember that Crocidolite Asbestos was mined in Bolivia? I did not, and yet Circular 7880 titled Asbestos-A Minerals Survey by Oliver Bowles for the United States Bureau of Mines in 1959 states as follows: This publication is…
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The February 2023 scholarly article published by Junjie Huang, PhD and twelve co-authors lays out a very convincing argument that Mesothelioma cases caused by occupational exposures to asbestos are decreasing in the developed countries while Mesothelioma cases caused by environmental cases, including household and neighborhood exposures, are increasing. As stated by those thirteen authors at…
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My second of three research thesis is now complete and at my professor for grading and feedback. The title is “Asbestos-Related Issues Impacting Bangladesh Shipbreaking Laborers” and you may find a full copy at https://theasbestosblog.com/wp-content/uploads/2023/05/Asbestos-Bangladesh-Shipbreaking-582023.pdf. The paper is thirty eight pages not including the Bibliography because, after all, there are a lot of asbestos-related issues…
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I decided to look into ChatGPT at https://openai.com/blog/chatgpt to see what it has to say about asbestos. Just some simple questions. Question 1. In how many products has asbestos fibers been used since recorded history? Asbestos has been used in a wide variety of products throughout recorded history due to its heat-resistant properties and durability.…
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This blog is a little short as I am still focusing on my research thesis entitled “Asbestos-Related Issues Impacting Bangladesh Shipbreaking Laborers.” I should complete that project within a couple of weeks. For this blog, let’s talk paint. I happen to have a H.W. Johns’ manual from March 1, 1877 (yes, over 150 years ago)…
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