H. B. Rhodes to J. L. Myers on Dr. C. S. Thompson's Visit to Niagara Falls: Silica Criteria, Talc Exemption and Fiber Counting (1974)

Memorandum reporting an informal October 10, 1974 visit by Dr. C. S. Thompson to the Niagara Falls laboratories. It covers the pending NIOSH silica criteria document, the status of the talc exemption from OSHA asbestos regulations, and disagreement within OSHA over what counts as a fiber in talc dust counts. It also describes several industrial talc types and the writer's conclusion about how to report dust count results.

People and organizations

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

• Harrison B. Rhodes (author)
• John L. Myers (recipient)
• Robert E. Byrne, Jr. (copied)
• Gordon L. Dickson (copied)
• Blair L. Ingalls (copied)
• Edward J. Kleber (copied)
• Tom P. Norris (copied)
• William C. Thurber (copied)
• Jack E. Walsh (copied)
• Mining and Metals Division (its organization)
• Union Carbide Corporation (its organization)
• Asbestos Information Association/North America (named)
• Johns-Manville (named)
• NIOSH (named)
• OSHA (named)
• Pfizer (named)
• R.T. Vanderbilt (named)

Related pages

Pages on our site about what this document covers: Duty to Warn · Fiber Counting · Johns-Manville · NIOSH · New York Asbestos Exposure Sites: Worksites, Industries, and Trust Coverage · OSHA · R.T. Vanderbilt Company.

About this copy

This is document UC-2973 of the Union Carbide documents, documents produced and used as evidence in asbestos lawsuits against Union Carbide, 3 pages. Production numbers UCC 016454 to UCC 016456.