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In-depth survey report: characterization of metalworking mists during the evaluation of a commercial air cleaner at Sauer-Sundstrand, Ames, Iowa, report no. CT-218-11a.

Authors
Heitbrink-WA; Spencer-AB; Deye-GJ
Source
NIOSH 1996 Apr; :1-31
NIOSHTIC No.
00230276
Abstract
The performance of an air cleaner was evaluated for controlling mist generated during the production of transmission parts at Sauer Sundstrand Company (SIC-3594), Ames, Iowa. Aerosol instrumentation was used to quantitatively evaluate size dependent mist generation of a synthetic metalworking fluid. During the machining operations the metalworking fluid was pumped through the orifices at a pressure of 800 pounds per square inch, creating a very fine mist. The air cleaner that was used successfully reduced the concentration of the aerosol, removing most particles greater than 4 micrometers, which accounted for 90% of the aerosol mass. The authors note that in selecting air cleaning equipment, the size distribution of the air contaminant is a most important consideration. The air treated by the air cleaner was even cleaner than the general atmospheric air at the facility being studied. If conditions were to change such that the size distribution of the aerosol were to shift to a smaller size, additional measures may be needed to control mist emissions from these machines. A problem did arise concerning drainage form the air cleaner, creating a new source of mist emissions. This should be taken care of through preventive maintenance procedures.
Keywords
NIOSH-Author; NIOSH-Survey; Field-Study; CT-218-11a; Region-7; Air-quality-control; Aerosol-scrubbers; Aerosol-particles; Air-sampling; Air-treatment; Indoor-air-pollution; Metalworking-industry; Indoor-environmental-quality
Publication Date
19960425
Document Type
Control Technology; Field Studies
Fiscal Year
1996
NTIS Accession No.
PB96-191960
NTIS Price
A04
Identifying No.
CT-218-11a
NIOSH Division
DPSE
SIC Code
3594
Source Name
National Institute for Occupational Safety and Health
State
IA; OH
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