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Health hazard evaluation report: HETA-94-0417-2505, Tennant Company, Minneapolis, Minnesota.

Authors
Echt-A; Tepper-A; Topolski-S
Source
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, HETA 94-0417-2505, 1995 May; :1-50
NIOSHTIC No.
00227196
Abstract
In response to a request from employees at the Golden Valley facility of the Tennant Company (SIC-3589), Minneapolis, Minnesota, a health hazard evaluation was conducted. Concern had been expressed over indoor environmental quality in offices and exposure to welding fumes. The company manufactured floor sweepers, scrubbers, and scarifiers. Headaches, sneezing, burning eyes, fatigue, depression, and mood swings were reported among office workers. Overall, 58% of those surveyed had one or more symptoms that occurred at work one or more days a week. Exposures to welding fume and most metals were below the applicable evaluation criteria. Eight hour time weighted average welding fume concentrations ranged from 0.33 to 1.6mg/m3. Titanium-dioxide (13463677) was present in greater than trace amounts in two of five samples; NIOSH has recommended that titanium-dioxide exposures be reduced to the lowest feasible concentration. Total chromium (7440473) exposure ranged from 0.003 to 0.01mg/m3, indicating that potential exposures to hexavalent chromium among frame welders should be evaluated. Manganese exposures ranged from 0.083 to 0.27mg/m3. The authors conclude that exposures to titanium-dioxide, chromium, and manganese were a cause for concern. Although no apparent cause for symptoms in office workers was found, ventilation system deficiencies were present. The authors recommend specific measures to reduce exposures and improve working conditions.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-94-0417-2505; Region-5; Hazard-Unconfirmed; Welders; Welding-industry; Occupational-exposure; Airborne-particles; Metalworking-industry; Office-workers; Indoor-environmental-quality
CAS No.
13463-67-7; 7440-47-3
Publication Date
19950501
Document Type
Field Studies; Hazard Evaluation and Technical Assistance
Fiscal Year
1995
NTIS Accession No.
PB95-241170
NTIS Price
A04
Identifying No.
HETA-94-0417-2505
NIOSH Division
DSHEFS
SIC Code
3589
Source Name
National Institute for Occupational Safety and Health
State
MN; OH
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