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Health hazard evaluation report: HETA-81-411-1182, Corhart Refractory, Louisville, Kentucky.

Authors
Murphy-DC; Lucas-C
Source
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HETA 81-411-1182, 1982 Sep; :1-24
NIOSHTIC No.
00129585
Abstract
Environmental conditions at Corhart Refractory (SIC-3297), Louisville, Kentucky were evaluated. About 130 workers produce refractory bricks. Ten years before, reports of transient eye, nose, and throat irritation complaints were examined. NIOSH visited the refractory in September, 1981 and conducted a followup in October, 1981 which was requested by an employee. Environmental samples were taken for phenol (108952), formaldehyde (50000), methylene-bisphenyl-diisocyanate (101688) (MDI), aromatic hydrocarbons, and unknown organics. Employee interviews were also conducted. Formaldehyde concentrations were nondetectable to 0.64 milligrams per cubic meter (mg/m3). NIOSH recommends exposure to formaldehyde be kept as low as possible. Exposures to MDI were nondetectable to 0.0068mg/m3. (NIOSH criteria: 0.20mg/m3). Exposures to phenol were nondetectable to 0.64mg/m3 (NIOSH criteria: 19mg/m3). Compared to shipping and clerical workers, employees of the No Bake Mold Department had significantly higher prevalence of nose, throat, skin, and eye irritation. There was no association between cancer deaths and past workplace exposures at the Corhart facility. The authors conclude that current health effects are mild, transient, and probably related to formaldehyde exposure combined with the effects from low concentrations of phenol and MDI.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; Hazards-Confirmed; Refractories; Isocyanates; Skin-irritants; Respiratory-irritants; Employee-exposure; Air-sampling; HETA-81-411-1182; NIOSH-Technical-Assistance-Report; Region-4; Author Keywords: Nonclay Refractories; Pepset; Phenol; Formaldehyde; Aromatic Hydrocarbons; Methylene Bisphenyl Diisocyanate
CAS No.
108-95-2; 50-00-0; 101-68-8
Publication Date
19820901
Document Type
Field Studies; Hazard Evaluation and Technical Assistance
Fiscal Year
1982
NTIS Accession No.
PB84-149855
NTIS Price
A03
Identifying No.
HETA-81-411-1182
NIOSH Division
DSHEFS
SIC Code
3297
Source Name
National Institute for Occupational Safety and Health
State
KY; OH
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