B. L. Ingalls to Joe Volk (National Gypsum) Transmitting Airborne Silica Sampling Details from Minneapolis Joint Compound Sanding (1975)

Cover letter from B. L. Ingalls to Joe Volk of National Gypsum enclosing details of airborne silica samples taken in the Minneapolis area, which National Gypsum was testing. The enclosure describes two sites where tape joint compound was hand sanded (Mound and Bloomington, MN, 9/10-9/11/75), the products used, the contractor, the air monitoring equipment, and a table of sample numbers, times and comments.

What the document holds

• Page 1: Letter from B. L. Ingalls to Joe Volk, September 19, 1975
• Pages 2-3: General information and conditions during monitoring for airborne respirable silica: sites, products used, contractor, equipment (dated 9/15/75)
• Page 4: Table of airborne silica (respirable dust) samples at the Mound and Bloomington sites, with sample numbers, times and comments

People and organizations

From B. L. Ingalls (Supervisor, Special Projects) to Mr. Joe Volk (National Gypsum Company, R&D Laboratory, North Tonawanda, NY).

• Blair L. Ingalls (author)
• Joe Volk (recipient)
• Mining and Metals Division (its organization)
• Union Carbide Corporation (its organization)
• M.S.A (named)
• National Gypsum Co. (named)
• United States Gypsum Company (named)

Related pages

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

About this copy

This is document UC-1358 of the Union Carbide documents, documents produced and used as evidence in asbestos lawsuits against Union Carbide, 4 pages.