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In-depth survey report, concentration of metalworking mists before and after installation of a commercial air cleaner, at Sauer-Sundstrand Company, Ames, Iowa.

Authors
Yacher JM; Heitbrink WA; Burroughs GE
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, ECTB 218-12a, 1997 Jul; :1-20
NIOSHTIC No.
00238617
Abstract
The ability of commercially available air filtering cleaners to control mist emissions and reduce the exposure of workers to mist was evaluated at Sauer-Sundstrand Company, Ames, Iowa. The company produced transmissions for off the road vehicles. Air cleaners had been installed in one shop area. Triethanolamine (102716) (TEA) was the major component of the synthetic metal working fluid (MWF) used. Relatively low concentrations of total particulates and TEA were identified. With both substances the highest concentrations were found near the hydromation (central cleaning) unit, which was causing significant emissions of MWF into the air of the facility. The effectiveness of installing air cleaners on the machining centers and improving mist control on the hydromation unit was demonstrated. TEA concentrations were reduced four to 10 fold. The total particulate concentrations were reduced 16 fold near the hydromation unit. Some major sources of contamination remained including older machining centers which were not well enclosed. The authors conclude that installation of air cleaners resulted in a significant reduction of the TEA and total particulate concentrations.
Keywords
NIOSH-Author; NIOSH-Survey; Field-Study; Region-7; Control-technology; Air-quality-monitoring; Oil-mists; Metalworking-industry; Machine-tools; Ventilation-systems; Industrial-hygiene
CAS No.
102-71-6
Publication Date
19970725
Document Type
Field Studies; Control Technology
Fiscal Year
1997
NTIS Accession No.
PB98-106149
NTIS Price
A03
Identifying No.
ECTB-218-12a
NIOSH Division
DPSE
Source Name
National Institute for Occupational Safety and Health
State
IA; ME; OH
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