Fallout from Fireworks: Perchlorate in Total Deposition

Recent studies have shown that natural perchlorate may be an important component to the general population exposure. These studies indicate that natural perchlorate is likely deposited by atmospheric deposition. Perchlorate concentration of total (dry + wet) deposition is relatively unstudied yet th...

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Bibliographic Details
Published in:Water, air, and soil pollution air, and soil pollution, 2009-03, Vol.198 (1-4), p.149-153
Main Authors: Munster, Jennie, Hanson, Gilbert N, Jackson, W. Andrew, Rajagopalan, Srinath
Format: Article
Language:English
Subjects:
Applied sciences
Atmospheric Protection/Air Quality Control/Air Pollution
Cellulose acetate
Climate Change/Climate Change Impacts
Drinking water
Earth and Environmental Science
Environment
Environmental monitoring
Environmental protection
Exact sciences and technology
explosives
Fallout
Fireworks
Groundwater
Hydrogeology
Nitrogen
Perchlorate
perchlorates
Perchloric acid
Pollutants
Pollution
Population studies
Precipitation
Rain
Soil Science & Conservation
Spectrum analysis
Studies
Urban areas
Variance analysis
Water Quality/Water Pollution
Water supply
wet deposition
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Summary:Recent studies have shown that natural perchlorate may be an important component to the general population exposure. These studies indicate that natural perchlorate is likely deposited by atmospheric deposition. Perchlorate concentration of total (dry + wet) deposition is relatively unstudied yet these measurements will aid in understanding natural levels in the environment. We sampled total deposition monthly at six sites in Suffolk County, Long Island, NY from November 30, 2005 until July 5, 2007. The mean perchlorate concentration is 0.21 ± 0.04 (standard error) μg L⁻¹ with a maximum value of 2.78 μg L⁻¹ . Here we show up to an 18-fold increase above the mean concentration in July 2006 and July 2007 samples. It appears that this increase in perchlorate in total deposition is associated with Fourth of July fireworks.
ISSN:0049-6979
1573-2932
DOI:10.1007/s11270-008-9833-6