The Exposure Assessment Core will be responsible for collecting data to enable estimates of exposures for the three health studies. This will include: 1) collecting and quality checking routine air monitoring data from the Air Resources Board;2) establishing sampling for polycyclic aromatic hydrocarbons (PAHs) and endotoxin at a central site in Bakersfield and collecting and analyzing samples there for one year to establish the temporal variability for PAHs and endotoxin;3) collecting contemporaneous samples for PAHs and endotoxin at multiple locations for 1-2 months;4) exploring the varying spatial patterns for routine air pollutants, PAHs and endotoxin. The data for routinely collected pollutants are needed to understand current exposure gradients in the communities, which will differ by air contaminant, and to facilitate health effects analyses for Project 3. The PM2.5 chemical constituents will include elemental carbon, organic carbon, nitrate, sulfate, and trace metals. In addition, PAH data will be collected at two other air monitoring stations for a 2 month period in fall/winter 2010/201 land endotoxin samples will be collected at 5 other air monitoring stations for a 1 month period in summer 2010. These are being collected to improve the understanding of spatial variability of these pollutants in the greater Bakersfield area which is critical to the design of the center. No spatial data of this type currently exist for this area. These exposure data will be used by the health studies as part of their planned work for the pre-center, but will also guide us in planning the data the center will need to collect when it is a full center.

Public Health Relevance

The Exposure Assessment Core will evaluate the exposures of the subjects to air pollutants and bioaerosols so the relationship between these exposures and the relevant adverse health effects (birth defects and other birth outcomes and childhood asthma) can be studied. This Core will process data already collected at air monitoring stations, collect samples of other important air contaminants not routinely monitored in Bakersfield and examine the spatial differences in pollutant concentrations in Bakersfield.

Agency
National Institute of Health (NIH)
Institute
National Institute of Environmental Health Sciences (NIEHS)
Type
Exploratory Grants (P20)
Project #
5P20ES018173-02
Application #
8215038
Study Section
Special Emphasis Panel (ZES1)
Project Start
2011-02-01
Project End
2013-01-31
Budget Start
2011-02-01
Budget End
2012-01-31
Support Year
2
Fiscal Year
2011
Total Cost
$72,105
Indirect Cost
Name
University of California Berkeley
Department
Type
DUNS #
124726725
City
Berkeley
State
CA
Country
United States
Zip Code
94704
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Noth, Elizabeth M; Lurmann, Fred; Northcross, Amanda et al. (2016) Spatial and Temporal Distribution of Polycyclic Aromatic Hydrocarbons and Elemental Carbon in Bakersfield, California. Air Qual Atmos Health 9:899-908
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Padula, Amy M; Balmes, John R; Eisen, Ellen A et al. (2015) Ambient polycyclic aromatic hydrocarbons and pulmonary function in children. J Expo Sci Environ Epidemiol 25:295-302
Padula, Amy M; Yang, Wei; Carmichael, Suzan L et al. (2015) Air Pollution, Neighbourhood Socioeconomic Factors, and Neural Tube Defects in the San Joaquin Valley of California. Paediatr Perinat Epidemiol 29:536-45
Padula, Amy M; Mortimer, Kathleen M; Tager, Ira B et al. (2014) Traffic-related air pollution and risk of preterm birth in the San Joaquin Valley of California. Ann Epidemiol 24:888-95e4
Padula, Amy M; Noth, Elizabeth M; Hammond, S Katharine et al. (2014) Exposure to airborne polycyclic aromatic hydrocarbons during pregnancy and risk of preterm birth. Environ Res 135:221-6
Syed, Aleena; Garcia, Marco A; Lyu, Shu-Chen et al. (2014) Peanut oral immunotherapy results in increased antigen-induced regulatory T-cell function and hypomethylation of forkhead box protein 3 (FOXP3). J Allergy Clin Immunol 133:500-10

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