5 results for “Union Carbide Corporation”
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Company document · Union Carbide documents · January 17, 1972
W. N. Johnson to P. W. McDaniel and Others on the Test Program for Airborne Asbestos (1972)
Memo summarizing arrangements agreed at a January 12 meeting in Niagara for a program to measure airborne asbestos. The program covered a survey of employee exposure at customers' plants near Bartow, Florida, and laboratory tests at Niagara of…
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Company document · Union Carbide documents · April 7, 1972
M. A. Peters to W. N. Johnson on Experimental Results for Airborne Asbestos, Part II (1972)
Memorandum from M. A. Peters reporting experimental work on a method of estimating airborne asbestos by measuring magnesium with atomic absorption spectroscopy instead of counting fibers. It covers reagent and filter blanks and air samples from four…
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Company document · Union Carbide documents · September 17, 1973
K. S. Chopra to J. L. Myers on Determination of Asbestos in Water (1973)
Memorandum reporting analysis of three water samples labeled "effluent," "river-below" and "river-above" for asbestos content, using centrifuging, chemical analysis for magnesium, X-ray diffraction and electron microscopy. It reports definite…
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Company document · Union Carbide documents · September 17, 1973
K. S. Chopra to J. L. Myers on Determination of Asbestos in Water (1973)
Memorandum reporting the analysis of water samples marked "effluent," "river-below" and "river-above" for asbestos content. It describes the centrifuging and residue-weighing procedure and a magnesium analysis of the effluent residue, and gives…
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Company document · Union Carbide documents · February 29, 1972
M. A. Peters to G. L. Dickson and Others on Experimental Results for Airborne Asbestos in Dumping and Sanding Tests (1972)
Memorandum reporting airborne asbestos fiber counts measured during dumping of various asbestos grades at Niagara Falls and during hand and electric sanding of tape joint compound and asbestos-containing paint, plus Florida field samples. It also…