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HHE Report No. HETA-86-038-1807, Morris Bean and Company, Yellow Springs, Ohio.

Authors
Gorman-RW
Source
NIOSH 1987 Jul:21 pages
NIOSHTIC No.
00174335
Abstract
In response to a request from Local 6931 of the United Steel Workers of America, worker exposures to alumino-silicate ceramic fibers from Fiberfrax insulation at Morris Bean and Company (SIC-3361), Yellow Springs, Ohio were evaluated. Personal breathing zone samples showed ceramic fiber concentrations of 0.03 to 0.18 fibers per cubic centimeter (f/cc). Five area air samples averaged 0.40f/cc, ranging from 0.06 to 0.75f/cc. The sand reclamation area had the two highest air concentrations of 0.48 and 0.75f/cc; there was a malfunction in the equipment, allowing the fibers to escape through worn seals. Most of the fibers were of respirable size. Cristobalite was not found in any sample. Health effects noted on interview with the workers who handled the Fiberfrax material consisted only of mild skin and face irritation. Fiber concentration levels were well below those regarded by NIOSH as hazardous for other types of fibrous materials. The author concludes that insufficient data are available to determine the toxicity of ceramic fibers, but because of indications of possible carcinogenicity, exposure should be minimized. The author recommends that alternative substances or methods be considered. Local exhaust systems should be installed in areas where Fiberfrax material is cut. Where local exhaust will not be effective, protective equipment should be used.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; Hazard-Unconfirmed; NIOSH-Technical-Assistance-Report; Region-5; HETA-86-038-1807; Airborne-fibers; Dust-inhalation; Personal-protective-equipment; Fibrous-dusts; Man-made-mineral-fibers; Silicates; Foundry-workers; Foundry-sands;
Publication Date
19870701
Document Type
Hazard Evaluation and Technical Assistance;
Fiscal Year
1987
NTIS Accession No.
PB88-154794
NTIS Price
A03
Identifying No.
HETA-86-038-1807
NIOSH Division
DSHEFS;
SIC Code
3361;
Source Name
Hazard Evaluations and Technical Assistance Branch, NIOSH, U.S. Department of Health and Human Services, Cincinnati, Ohio, Report No. HETA-86-038-1807, 21 pages, 32 references
State
OH;
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