H. B. Rhodes to R. E. Byrne, Jr. and Others on OSHA Regulations on Occupational Exposure to Crystalline Silica (1975)

Internal memo from H. B. Rhodes reporting that NIOSH had sent OSHA its criteria document on crystalline silica, and advising that the attached summary could be used with customers. It states that RG-144 and RG-244 were checked and no crystalline silica was found, and relays secondhand information about sanding finished tape joints. The attachment summarizes the NIOSH recommended standard (50 µg/m3 limit, medical exams, labels, monitoring).

What the document holds

• Page 1: Rhodes memo of April 16, 1975 on OSHA/NIOSH silica regulations
• Pages 2-3: Attached commentary: NIOSH Recommended Standard, Occupational Exposure to Crystalline Silica

People and organizations

From H. B. Rhodes ("Calidria" Asbestos, Mining and Metals Division) to R. E. Byrne, Jr.; G. L. Dickson; B. L. Ingalls; E. J. Kleber; J. L. Myers; T. P. Norris; W. C. Thurber (copy to); J. E. Walsh (copy to).

• Harrison B. Rhodes (author)
• Robert E. Byrne, Jr. (recipient)
• Gordon L. Dickson (recipient)
• Blair L. Ingalls (recipient)
• Edward J. Kleber (recipient)
• John L. Myers (recipient)
• Tom P. Norris (recipient)
• William C. Thurber (copied)
• Jack E. Walsh (copied)
• Mining and Metals Division (its organization)
• Union Carbide Corporation (its organization)
• Calidria Asbestos (named)
• NIOSH (named)
• OSHA (named)

Related pages

Pages on our site about what this document covers: Asbestos Joint Compound, Drywall Mud, and Texture Coatings · Calidria · NIOSH · New York Asbestos Exposure Sites: Worksites, Industries, and Trust Coverage · OSHA.

About this copy

This is document UC-1584 of the Union Carbide documents, documents produced and used as evidence in asbestos lawsuits against Union Carbide, 3 pages. Production numbers A08652 to A08654.