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Development of source-apportionment models for inhalable particulate matter and its extractable organic fractions in urban areas of New Jersey

Thesis/Dissertation ·
OSTI ID:5222964

Sources of inhalable particulate matter (IPM) and extractable organic matter (EOM) fractions were identified and apportioned using a modified factor analysis/multiple regression (FA/MR) approach for Newark, NJ. In order to use FA/MR in a complex airshed such as Newark's, two new techniques were applied. The first was tracer source apportionment which permitted the use of FA/MR even when certain key tracers are emitted by more than one source. The second was the analysis of correlations between model residuals and the available components. Source contributions to IPM in the cities of Elizabeth and Camden, NJ were also estimated by the improved FA/MR method and used to validate the Newark IPM model results. The Newark IPM and EOM model results were further validated by comparison with available source emission composition data, microinventory information, development of seasonal source apportionment models, comparison with modeling results obtained in other cities and application of the regression of principal component model. The data used for the study consisted of 154 daily IPM and EOM samples collected at each of the three sampling sites. The IPM samples were analyzed for mass, Pb, Mn, Cd, Cu, V, Zn, Fe, Ni and total SO/sub 4//sup -2/ concentrations.

Research Organization:
New York Univ., NY (USA)
OSTI ID:
5222964
Country of Publication:
United States
Language:
English

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Related Subjects

500200* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION
AIR POLLUTION MONITORING
CADMIUM
COMPARATIVE EVALUATIONS
COPPER
ECOLOGICAL CONCENTRATION
ELEMENTS
FEDERAL REGION II
IRON
LEAD
MATHEMATICAL MODELS
MATHEMATICS
METALS
MONITORING
NEW JERSEY
NICKEL
NORTH AMERICA
ORGANIC MATTER
OXYGEN COMPOUNDS
PARTICLES
PARTICULATES
POLLUTION
POLLUTION SOURCES
REGRESSION ANALYSIS
SAMPLING
STATISTICS
SULFATES
SULFUR COMPOUNDS
TESTING
TRANSITION ELEMENTS
URBAN AREAS
USA
VALIDATION
VANADIUM
ZINC