Arsenic Addition to Soils from Airborne Coal Dust Originating at a Major Coal Shipping Terminal

Soil samples were collected from Norfolk, Virginia in order to examine the extent of particulate coal, and associated arsenic (As) deposition to local soils. The particulate coal originates from the adjacent coal shipping terminal at the Lambert's Point Docks, which is the largest marine coal s...

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Bibliographic Details
Published in:Water, air, and soil pollution air, and soil pollution, 2007-10, Vol.185 (1-4), p.195-207
Main Authors: Bounds, William J, Johannesson, Karen H
Format: Article
Language:English
Subjects:
Acidic soils
Arsenic
Coal
Coal dust
Docks
Environmental monitoring
Extraction
Health hazards
Marine
Mass spectrometry
Mass spectroscopy
Sand
Sediments
Shipping
Sodium
Soils
Sulfuric acid
Terminals
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Summary:Soil samples were collected from Norfolk, Virginia in order to examine the extent of particulate coal, and associated arsenic (As) deposition to local soils. The particulate coal originates from the adjacent coal shipping terminal at the Lambert's Point Docks, which is the largest marine coal shipping terminal in the Northern Hemisphere. Particulate coal was separated from soil samples using heavy liquid (i.e., sodium polytungstate) extraction. Sand-sized coal separates isolated from the soil samples were subsequently digested using concentrated nitric and sulfuric acid, and analyzed for As by high-resolution inductively coupled plasma mass spectrometry (HR-ICP-MS). Selected total soil digests were also analyzed for As by HR-ICP-MS. Results indicate particulate coal ranges from less than 1% up to 20%, by weight, of the soil samples analyzed. Arsenic concentrations in sand-sized particulate coal extracted from these sediments range from undetectable levels (i.e.,
ISSN:0049-6979
1573-2932
DOI:10.1007/s11270-007-9442-9