Ralph D. Zumwalde

Ralph D. Zumwalde appears in 5 Union Carbide documents (1972–1980). The documents describe Ralph D. Zumwalde as NIOSH.

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Titles in the documents

How documents describe Ralph D. Zumwalde, each as the documents state it, with how many say so and the years they span. We record what the documents say and don't choose between them.

• NIOSH, 1976–1980, in 4 documents unreviewed
• Engineering Technician, 1972, in 1 document unreviewed

In the Union Carbide documents

Ralph D. Zumwalde is named in 5 Union Carbide documents dated 1972 to 1980 (5 as author), from asbestos lawsuits over Union Carbide's Calidria asbestos. All are published in our collection.

• S. G. Bayer and R. D. Zumwalde, Evaluating Airborne Asbestos Dust: Membrane Filter Sampling and Phase-Contrast Fiber Counting Procedure (1972) UC-2174
• Ralph Zumwalde (NIOSH) to E. A. Piersall Transmitting Two NIOSH Papers on Asbestos Exposure and Mortality in Hard Rock Gold Miners (1976) Union Carbide 370
• Ralph Zumwalde (NIOSH) to E. A. Piersall Enclosing Two Papers on Asbestiform Mineral Exposure and Mortality in Hard Rock Gold Miners (1976) UC-1605
• Ralph Zumwalde (NIOSH) to E. A. Piersall Transmitting Two NIOSH Papers on Asbestos Exposure in a South Dakota Gold Mine (1976) UC-3574
• NIOSH Technical Report: Occupational Exposure to Talc Containing Asbestos, Morbidity, Mortality, and Environmental Studies of Miners and Millers (1980) UC-3541

Names in the documents

The spellings documents use for Ralph D. Zumwalde, OCR misreadings included, so a search for any of them finds this page: Ralph Zumwalde.

Where this comes from

This page brings together every document in our library that names Ralph D. Zumwalde, across collections. Titles and affiliations are taken from the documents themselves.