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Walk-Through Survey Report: HVLV Control Technology for Machining and Sanding at: Kenworth Truck Company, Seattle, Washington, Report No. CT-145-15a.

Authors
Hollett-BA
Source
NIOSH 1983 Sep:7 pages
Link
NIOSHTIC No.
00128352
Abstract
A walk through survey was conducted to evaluate the application of High Velocity Low Volume (HVLV) technology at the Kenworth Truck Company (SIC-3711, SIC-3713) in Seattle, Washington on June 8, 1983. The HVLV systems were installed to reduce employee exposures to nuisance dust. The system consisted of a vacuum with ceiling drops connected to the tools by a flex hose. Sanding was performed in front of filtered lateral exhaust plenums. A ventilated enclosure was provided for gelcoat activity, and chopped fibers were applied in ventilated booths. The employees preferred air hoods or respirators to the cumbersome exhaust hoses and tools. The HVLV sander was too large and too slow. Personal exposure measurements were lower when the HVLV was used. Nuisance dust concentrations were below the limit of 10 milligrams per cubic meter even without the use of HVLV sanders. The author notes that the plastic shop ventilation system was recognized by OSHA as exemplary. The authors conclude that the facility is a good candidate for HVLV system operation demonstration.
Keywords
NIOSH-Author; NIOSH-Survey; Field-Study; Respiratory-protective-equipment; Dust-exposure; Workplace-studies; Health-hazards; Dust-inhalation; Exposure-levels; Dust-control; Control-technology; CT-145-15a; Region-10;
Publication Date
19830901
Document Type
Field Studies; Control Technology
Fiscal Year
1983
NTIS Accession No.
PB84-184829
NTIS Price
A02
Identifying No.
CT-145-15a
NIOSH Division
DPSE;
Priority Area
Control Technology and Personal Protective Equipment; Research Tools and Approaches; Control-technology;
SIC Code
3711; 3713;
Source Name
Division of Physical Sciences and Engineering, NIOSH, Cincinnati, Ohio, Report No. CT-145-15a, 7 pages
State
WA; OH;
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