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Title: Comparing residential contamination in a Houston environmental justice neighborhood before and after Hurricane Harvey

Journal Article · · PLoS ONE
ORCiD logo [1];  [2];  [3];  [4];  [4];  [2];  [2];  [4];  [5]
  1. Texas A&M School of Public Health, College Station, TX (United States); Texas A & M Univ., College Station, TX (United States)
  2. Texas A & M Univ., College Station, TX (United States)
  3. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  4. Texas A&M School of Public Health, College Station, TX (United States)
  5. Shantou Univ. Medical College (China)

Polycyclic aromatic hydrocarbons (PAHs) are complex environmental toxicants; exposure to them has been linked to adverse health outcomes including cancer, as well as diseases of the skin, liver, and immune system. Based on an ongoing community engagement partnership with stakeholder groups and residents, we conducted a small longitudinal study to assess domestic exposure to PAHs among residents of Manchester, an environmental justice neighborhood located in the East End of Houston, TX. In December, 2016, we used fiber wipes to collect samples of household dust from 25 homes in Manchester. Following Hurricane Harvey, in September 2017, we revisited 24 of the 25 homes to collect soil samples from the front yards of the same homes. Wipes and soil were analyzed for the presence of PAHs using gas chromatography–mass spectrometry (GC-MS) methods. Principle component analysis plots, heatmaps, and PAH ratios were used to compare pre- and post-Hurricane Harvey samples. While direct comparison is difficult, we present three methods for comparing PAHs found in pre-hurricane fiber wipes and post-hurricane soil samples. The methods demonstrate that the PAHs found before and after Hurricane Harvey are likely from similar sources and that those sources are most likely to be associated with combustion. We also found evidence of redistribution of PAHs due to extreme flooding associated with Hurricane Harvey. Residents of the Manchester neighborhood of Houston, TX, are exposed to a range of PAHs in household dust and outdoor soil. While difficult to compare directly, we were able to use several methods to assess detected concentrations, changes in site-specific PAH allocations, and PAH origination. Additional research is needed to identify specific sources of domestic PAH exposure in these communities and continued work involving community members and policy makers should aim to develop interventions to reduce domestic exposure to and prevent negative health outcomes from PAHs.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
1438991
Report Number(s):
PNNL-SA-134072; 453060036
Journal Information:
PLoS ONE, Vol. 13, Issue 2; ISSN 1932-6203
Publisher:
Public Library of ScienceCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 37 works
Citation information provided by
Web of Science

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Citizen Science-Informed Community Master Planning: Land Use and Built Environment Changes to Increase Flood Resilience and Decrease Contaminant Exposure journal January 2020
Using the 12-item short form health survey (SF-12) to assess self rated health of an engaged population impacted by hurricane Harvey, Houston, TX journal February 2020
Wristbands for Research: Using Wearable Sensors to Collect Exposure Data after Hurricane Harvey journal April 2018