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Understanding intra-neighborhood patterns in PM<inf>2.5</inf> and PM <inf>10</inf> using mobile monitoring in Braddock, PA

Tunno, BJ and Shields, KN and Lioy, P and Chu, N and Kadane, JB and Parmanto, B and Pramana, G and Zora, J and Davidson, C and Holguin, F and Clougherty, JE (2012) Understanding intra-neighborhood patterns in PM<inf>2.5</inf> and PM <inf>10</inf> using mobile monitoring in Braddock, PA. Environmental Health: A Global Access Science Source, 11 (1).

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Background: Braddock, Pennsylvania is home to the Edgar Thomson Steel Works (ETSW), one of the few remaining active steel mills in the Pittsburgh region. An economically distressed area, Braddock exceeds average annual (>15 μg/m§ssup§3§esup§) and daily (>35 μg/ m§ssup§3§esup§) National Ambient Air Quality Standards (NAAQS) for particulate matter (PM2.5). Methods. A mobile air monitoring study was designed and implemented in morning and afternoon hours in the summer and winter (2010-2011) to explore the within-neighborhood spatial and temporal (within-day and between-day) variability in PM2.5 and PM10. Results: Both pollutants displayed spatial variation between stops, and substantial temporal variation within and across study days. For summer morning sampling runs, site-specific mean PM2.5 ranged from 30.0 (SD = 3.3) to 55.1 (SD = 13.0) μg/m§ssup§3§esup§. Mean PM10 ranged from 30.4 (SD = 2.5) to 69.7 (SD = 51.2) μg/m§ssup§3§esup§, respectively. During summer months, afternoon concentrations were significantly lower than morning for both PM 2.5 and PM10, potentially owing to morning subsidence inversions. Winter concentrations were lower than summer, on average, and showed lesser diurnal variation. Temperature, wind speed, and wind direction predicted significant variability in PM2.5 and PM10 in multiple linear regression models. Conclusions: Data reveals significant morning versus afternoon variability and spatial variability in both PM2.5 and PM10 concentrations within Braddock. Information obtained on peak concentration periods, and the combined effects of industry, traffic, and elevation in this region informed the design of a larger stationary monitoring network. © 2012 Tunno et al.; licensee BioMed Central Ltd.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Tunno, BJbjt25@pitt.eduBJT25
Shields, KN
Lioy, P
Chu, N
Kadane, JB
Parmanto, Bparmanto@pitt.eduPARMANTO
Pramana, Ggede.pramana@pitt.eduIGP1
Zora, J
Davidson, C
Holguin, Ffeh9@pitt.eduFEH9
Clougherty, JEjcloughe@pitt.eduJCLOUGHE
Date: 1 December 2012
Date Type: Publication
Journal or Publication Title: Environmental Health: A Global Access Science Source
Volume: 11
Number: 1
DOI or Unique Handle: 10.1186/1476-069x-11-76
Schools and Programs: School of Public Health > Environmental and Occupational Health
School of Medicine > Pediatrics
Refereed: Yes
Date Deposited: 30 Nov 2016 17:19
Last Modified: 22 Jun 2021 12:55


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