L. J. LaFrance to R. P. Wooldridge on Phase Contrast Results for September Air Samples at the Linde Speedway Factory, with Wooldridge's Sample List (1974)

Letter of October 18, 1974 from industrial hygienist Leo J. LaFrance to R. P. Wooldridge reporting phase contrast microscopy results on ten September 1974 air samples from the Linde Speedway Factory. Attached is Wooldridge's September 30, 1974 internal memo listing the ten samples, their work stations, sampling times and dates, including the asbestos shredder room.

What the document holds

• Page 1: Letter, Oct. 18, 1974, LaFrance to Wooldridge reporting phase contrast fiber counts on the ten September air samples
• Pages 2-3: Linde Division internal correspondence, Sept. 30, 1974, Wooldridge to LaFrance, listing ten air samples and transmitting them for evaluation
• Page 4: No text in OCR; apparently blank or a non-text page

People and organizations

From Leo J. LaFrance (Industrial Hygienist, Medical Department); R. P. Wooldridge (Acetylene Cylinders Quality Assurance, Linde Division, Speedway Factory (author of the Sept. 30, 1974 memo; signature on page 3 appears to be his)) to Mr. R. P. Wooldridge (Linde Division, Speedway Factory, Indianapolis); Mr. L. J. LaFrance (Medical Dept., New York Office (recipient of the Sept. 30 memo)).

• Leo J. LaFrance (author, recipient)
• R. P. Wooldridge (author, recipient)
• Union Carbide Corporation (its organization)
• Linde Division (named)
• Medical Department (named)

Related pages

Pages on our site about what this document covers: Air Sampling · Indiana Asbestos Exposure Sites: Worksites, Industries, and Trust Coverage · Industrial Hygiene · phase contrast microscopy (PCM).

About this copy

This is document UC-4349 of the Union Carbide documents, documents produced and used as evidence in asbestos lawsuits against Union Carbide, 4 pages. Production numbers A21692 to UCC 009401.