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Inhalation and sampling of large particles, 10-150 micrograms.

Authors
Hinds-WC
Source
NIOSH, 1998 Dec :1-31
Link
NIOSHTIC No.
20000933
Abstract
The research seeks to better define particle inhalability, the fraction of ambient particles that are inhaled as a function of particle size, breathing conditions, and ambient air velocity and direction. Inhalation of large particles (10-15 micrometers) such as heavy metals, pesticides, radioactive materials, pharmaceuticals, wood dust, or corrosive materials, have a local or systemic toxicity that poses a health risk regardless of where in the respiratory tract they deposit. Inhalability is sensitive to the direction and velocity of the ambient air motion as well as particle size. This research also seeks to better define the collection characteristics of eight types of personal inhalable samplers as a function of particle size and air velocity. More complete information of inhalability and inhalable particle personal sampler performance is needed to correctly assess the health risks of exposure to large particles and to set occupational standards for such particles.
Keywords
Particulates; Particulate-sampling-methods; Inhalation-studies; Sampling-methods; Sampling-equipment; Inhalants; Air-quality-measurement; Heavy-metals; Pesticides; Radioactive-particles; Radioactive-metals; Pharmaceuticals; Wood-dusts; Respirable-dust
Publication Date
19981223
Document Type
Final Grant Report
Funding Amount
295903
Funding Type
Grant
Fiscal Year
1999
NTIS Accession No.
PB2001-100519
NTIS Price
A04
Identifying No.
Grant-Number-R01-OH-003196
NIOSH Division
OEP
Priority Area
Grants-other
Source Name
National Institute for Occupational Safety and Health
State
CA; GA
Performing Organization
Department of Environmental Health Sciences, UCLA School of Public Health, 10833 LeConte Ave, Los Angeles, California 90095-1772
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