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H. B. Rhodes to J. L. Myers on the Occurrence of Ultra-Fine Fibers in Calidria RG-244 Asbestos, with Customer Fiber-Count Tables and a Ceilcote Letter (1978)

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Informal Report No. 2196-64, marked Business Confidential, on why very high fiber counts (20-40 fibers/cc) appeared at customer sites using Calidria RG-244 in late 1977. Sixty-five filters from 36 customer locations (1973-1977) were recounted with special attention to ultra-fine fibers. The report concludes that such fibers were probably not present in measurable amounts before 1975, that they were present at 30-45% of locations after the 1975 plant expansion, and that the high 1977 counts were real. It is followed by customer fiber-count tables, two bar-chart figures, and a separate Ceilcote letter to a Union Carbide division president about RG-244.

Author
H. B. Rhodes (Writer of Informal Report No. 2196-64 (work by B. L. Ingalls & G. J. Spencer))
Published by
Union Carbide Corporation (report from the Niagara Falls laboratory)
Series
Union Carbide documents, UC-1525
Date
August 24, 1978
Library no.
ACL Doc 16629 · asbestosclaims.law/library/16629
Rights
A document from asbestos litigation, published for research and historical study.

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Read online Download the PDF Document UC-1525 · 14 pages · 765 KB

What the document holds

  • Pages 1-6: Informal Report 2196-64, H. B. Rhodes to J. L. Myers, Aug. 24, 1978: ultra-fine fibers in Calidria RG-244 customer dust counts
  • Pages 7-8: Tables I-III: airborne asbestos fiber counts for large-scale dumping, empty bag removal, and small-scale dumping of RG-244
  • Pages 9-10: Table IV: summary of RG-244 airborne fiber counts, original count versus 1978 recount, by customer location and year (1973-1977)
  • Pages 11-12: Figures 1 and 2: bar charts of the chronological summary of RG-244 airborne fiber counts (rotated, mostly illegible in OCR)
  • Pages 13-14: Letter from Ceilcote (signed by its Facilities Manager) to the president of Union Carbide Chemicals and Plastics Division, dated August 22, thanking the company after a visit by John L. Myers and others about use of RG-244 Calidria asbestos

People and organizations

From H. B. Rhodes (Writer of Informal Report No. 2196-64 (work by B. L. Ingalls & G. J. Spencer)) to J. L. Myers; R. E. Byrne, Jr. (cc); E. W. Shortridge (cc); W. C. Thurber (cc).

Pages on our site about what this document covers: Calidria · Fiber Counting · OSHA.

About this copy

This is document UC-1525 of the Union Carbide documents, documents produced and used as evidence in asbestos lawsuits against Union Carbide, 14 pages.

Cite this document

H. B. Rhodes (Writer of Informal Report No. 2196-64 (work by B. L. Ingalls & G. J. Spencer)). “H. B. Rhodes to J. L. Myers on the Occurrence of Ultra-Fine Fibers in Calidria RG-244 Asbestos, with Customer Fiber-Count Tables and a Ceilcote Letter.” August 24, 1978. Union Carbide documents, UC-1525. Union Carbide Corporation (report from the Niagara Falls laboratory). AsbestosClaims.Law Library, ACL Doc 16629. https://asbestosclaims.law/library/16629.

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