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Size distribution and deposition in human respiratory tract: particle mass and number.

Authors
Bugarski-A; Gautam-M
Source
Proceedings 4th International ETH-Conference on Nanoparticle Measurement, 2001, Bern, Switzerland, August 7-9, 2000. A. Mayer: Niederrohrdorf, Switzerland, 2001 Jan; :1-12
Link
NIOSHTIC No.
20021267
Abstract
Objectives: To determine the regional deposition of particulate matter in human lungs for a variety of steady-state engine operating conditions, fuel formulations and combinations of after treatment devices, and to characterize the size, distribution and mass emission rates of particulate matter emissions from off-road and on-highway heavy-duty vehicles operating on conventional diesel, and ultra-low sulfur synthetic diesel fuels. Background: Regional deposition is defined as the fraction of particles inspired which is deposited in the region of interest. The model for polydispersed aerosols (0.5 um to 15 um) developed Kbritch, Rudolf, ,and Stahlhofen (1994) was employed. However, regional deposition in humans has so far only been measured with, particles with diameters greater than 100 nm.
Keywords
Diesel-emissions; Diesel-exhausts; Lung-burden; Particulates; Particulate-dust; Aerosol-particles; Aerosols
Publication Date
20000807
Document Type
Conference/Symposia Proceedings
Editors
Mayer-A
Fiscal Year
2000
NTIS Accession No.
NTIS Price
NIOSH Division
PRL
Source Name
Proceedings 4th International ETH-Conference on Nanoparticle Measurement, Bern, Switzerland, August 79, 2000.
State
PA
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