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In-depth survey report: control technology for manual dye weigh-out operations at the Glidden Company, Huron, Ohio, report no. CT-197- 11a.

Authors
Edmonds-MA; Heitbrink-WA
Source
NIOSH 1993 Jul; :1-21
NIOSHTIC No.
00215331
Abstract
A study was made to evaluate the effectiveness of a ventilated booth in operation during manual powder weigh out operations at the Glidden Company (SIC-2850), Huron, Ohio. The facility operated in three shifts, with three weigh out operators to each shift. Operators weighed powders for addition to other materials to form powdered coatings. There were three weigh out booths in use. A 14 inch diameter exhaust duct led from the back of each booth to the main ventilation system. The weigh out operator scooped powder from a drum into a plastic bag for weighing. As the level of powder in a drum decreased, the worker had to reach deeper into the drum, bringing the worker's breathing zone near or inside the drum. Real time sampling revealed that unless the depth of scooping is restricted, there can be no improvement in the dust exposure to which the worker is subjected. Modifying the booth without restricting the depth from which the worker scoops would result in only minor exposure reductions. With a restriction as to depth in place, the booth configuration could be modified to reduce exposure even further.
Keywords
NIOSH-Author; NIOSH-Survey; Field-Study; CT-197-11a; Region-5; Control-technology; Air-sampling; Ventilation-systems; Dust-control; Dust-exposure
Publication Date
19930701
Document Type
Control Technology; Field Studies
Fiscal Year
1993
NTIS Accession No.
PB93-234011
NTIS Price
A03
Identifying No.
CT-197-11a
NIOSH Division
DPSE
Priority Area
Control-technology
SIC Code
2850
Source Name
National Institute for Occupational Safety and Health
State
OH
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