Source resolution of the fine carbonaceous aerosol by principal component - Stepwise regression analysis

Journal Article · Mon Feb 01 04:00:00 EST 1988 · Environmental Science and Technology; (USA)

DOI:https://doi.org/10.1021/es00167a013· OSTI ID:5675068

Pratsinis, S E; Zeldin, M D; Ellis, E C ^[1]

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1. Univ. of Cincinnati, OH (USA)

The sources of the fine (d{sub p} < 3.5 {mu}m) total and carbonaceous aerosol mass at Duarte (near Los Angeles) were resolved by principal component-stepwise regression analysis of aerosol (elemental and ion) and gas concentration data that were randomly collected throughout 1983. Major contributions to the fine aerosol mass were made by motor vehicles (48%) and atmospheric (sulfate and ozone chemistry) conversion processes (30%), and minor contributions were made by soil dust (13%) and marine aerosols (9%). Motor vehicles dominated (65%) the fine carbonaceous aerosol mass followed by atmospheric processes (20%), soil dust (13%), and fuel oil fly ash (2%). Secondary nitrogen-containing compounds were found to be closely related to automobile emissions.

• OSTI ID: 5675068
• Journal Information: Environmental Science and Technology; (USA), Journal Name: Environmental Science and Technology; (USA) Vol. 22:2; ISSN ESTHA; ISSN 0013-936X
• Country of Publication: United States
• Language: English

Related Subjects

500200* -- Environment
Atmospheric-- Chemicals Monitoring &amp; Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AEROSOL WASTES
AEROSOLS
AIR POLLUTION
ASHES
ATMOSPHERIC CHEMISTRY
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMISTRY
COLLOIDS
DATA
DISPERSIONS
DUSTS
ENVIRONMENTAL EFFECTS
EXHAUST GASES
EXPERIMENTAL DATA
FLUIDS
FLY ASH
GASEOUS WASTES
GASES
INFORMATION
MATHEMATICS
NITROGEN COMPOUNDS
NITROGEN DIOXIDE
NITROGEN OXIDES
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
OZONE
POLLUTION
REGRESSION ANALYSIS
RESIDUES
SOLS
STATISTICS
TOXICITY
WASTES