Recommendations for Handling Asbestos

Our plain-English summary of Recommendations for Handling Asbestos (1969).

The study

• Published: 1969
• Type of article: Report
• Our copy: from Johns-Manville's own medical library. The article is still under copyright, so we describe it here rather than post it.

In plain English

This 1969 document is a set of recommendations for handling asbestos at work. It is not a research study. The scan is marked as illegible or of poor legibility; only headings and scattered phrases can be read. Its sections cover the nature of the problem, requirements, measuring airborne asbestos dust, and precautions to be taken. The legible parts mention counting fibres per cubic centimetre of air and the use of a membrane filter. They also sort sources of asbestos dust into lettered groups and cite British Standard 4275 for respirators. A fragment reads that blowing 'must be forbidden', but its context and meaning cannot be read. Near a heading on changing rooms, a damaged passage says smoking, eating and drinking should not be allowed in a room, apparently the changing room. The appendices reproduce the Asbestos Regulations 1969, list alternatives to asbestos, and give a bibliography. A garbled passage on the nature of the problem mentions mesothelioma and says only ten were in certain jobs. It cannot be read who the ten were, out of how many, or which jobs are meant.

We wrote this plain-English summary from the full article with the help of AI, and a second AI model checked each sentence against the article. It is not the authors' wording; the abstract and the article are their own account.

What the study did and found

• Design: Guidance document (recommendations for handling asbestos), not a research study
• Exposure: Asbestos dust from handling asbestos-containing materials. Fiber types are named only in fragments, including chrysotile, amosite and fibrous anthophyllite.
• Main results:
  • The document includes a section on measuring the concentration of airborne asbestos dust, expressed as fibres per cubic centimetre
  • The legible text mentions drawing air through a membrane filter
  • Possible sources of asbestos dust are sorted into lettered groups, for example a group for asbestos cement
  • For selecting and using respirators, the document refers readers to British Standard 4275
  • A surviving fragment reads that blowing must be forbidden; its context and the operation meant cannot be read
  • Near a 'Changing rooms' heading, a damaged passage states that smoking and the consumption of food and drink should not be allowed in a room, apparently the changing room; the exact wording of the location is garbled
  • A garbled passage in the section on the nature of the problem mentions mesothelioma and states that only ten were in certain jobs; who the ten were, the total they are out of, and which jobs are meant cannot be read
  • An appendix reproduces the Asbestos Regulations 1969
  • An appendix lists alternatives to asbestos, including heat-resistant protective clothing

Topics

Medical terms in this study, explained in our Lexicon: Respirator, Mesothelioma.

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