Volatile Hydrocarbon Emissions from a Diesel Fuel-Contaminated Soil Bioremediation Facility

Concerns have been expressed that emissions of volatile hydrocarbons (HCs) from bioremediation facilities containing soils contaminated with petroleum HCs may negatively impact regional air quality or human health. Little information is available regarding the emission of HCs from bioremediation sit...

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Bibliographic Details
Published in:Journal of the Air & Waste Management Association (1995) 2002-07, Vol.52 (7), p.769-780
Main Authors: Ausma, Sandra, Edwards, Grant C., Fitzgerald-Hubble, Colleen R., Halfpenny-Mitchell, Laurie, Gillespie, Terry J., Mortimer, Wendy P.
Format: Article
Language:English
Subjects:
Applied sciences
Atmospheric pollution
Biodegradation, Environmental
Bioremediation
Diesel fuels
Dispersed sources and other
Environmental aspects
Environmental Monitoring
Exact sciences and technology
Gas Chromatography-Mass Spectrometry
Gasoline
Humans
Hydrocarbons
Hydrocarbons - analysis
Occupational Exposure
Pollution
Pollution sources. Measurement results
Soil Pollutants - metabolism
Soil pollution
Volatile organic compounds
Volatilization
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Summary:Concerns have been expressed that emissions of volatile hydrocarbons (HCs) from bioremediation facilities containing soils contaminated with petroleum HCs may negatively impact regional air quality or human health. Little information is available regarding the emission of HCs from bioremediation sites, and few field studies have been performed during which the flux of HCs has been directly measured during bioremediation. To aid in answering questions about the impact of bioremediation facilities on the atmospheric environment, a two-part field study was conducted over summer 1996 at a remote landfarm in northern Ontario where diesel fuel-contaminated soil was undergoing bioremediation. Volatile total hydrocarbon (THC) atmospheric flux measurements were successfully taken over 18 days using a flux gradient micrometeorological technique incorporating a THC detector constructed in-house. Peak THC emissions reached 131 μg C/m 2 /sec shortly after implementation and tilling of the landfarm soil. The influence of soil temperature and tillage on THC emissions was examined. Off-site inhalation exposure was considered with the aid of an ar-eal source model and results from speciated air samples collected on sorbent tubes and analyzed via gas chroma-tography/mass spectrometry (GCMS) techniques.
ISSN:1096-2247
2162-2906
DOI:10.1080/10473289.2002.10470819