Polychlorinated biphenyl concentrations and lipid content in riparian spiders at the Ashtabula River Area of Concern, USA
Dates
Publication Date
2018-06-26
Time Period
2011-07-25
Citation
Walters, D.M., Otter, R.R., Kraus, J.M., and Mills, M.A., 2018, Polychlorinated biphenyl concentrations and lipid content in riparian spiders at the Ashtabula River Area of Concern, USA: U.S. Geological Survey data release, https://doi.org/10.5066/P9SX2FCX.
Summary
We measured polychlorinated biphenyl (PCB) concentrations in two taxa of riparian spiders from nine sites in 2011 at the Ashtabula River Area of Concern. We analyzed the extracts for 122 congeners following EPA method SW846 Method 8270D using gas chromatography mass spectrometry in the selective ion monitoring (SIM) mode. All target compounds were quantified using the method of internal standards, and all results were reported in ng/g (parts per billion) wet weight. Congener concentrations were summed to arithmetically calculate totals for individual homolog groups (groups of congeners that share the same number of chlorine atoms on the biphenyl ring) and for total PCBs. The samples were also analyzed for lipid content.
Summary
We measured polychlorinated biphenyl (PCB) concentrations in two taxa of riparian spiders from nine sites in 2011 at the Ashtabula River Area of Concern. We analyzed the extracts for 122 congeners following EPA method SW846 Method 8270D using gas chromatography mass spectrometry in the selective ion monitoring (SIM) mode. All target compounds were quantified using the method of internal standards, and all results were reported in ng/g (parts per billion) wet weight. Congener concentrations were summed to arithmetically calculate totals for individual homolog groups (groups of congeners that share the same number of chlorine atoms on the biphenyl ring) and for total PCBs. The samples were also analyzed for lipid content.
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ashtabulaspider_PCBs.csv.xml Original FGDC Metadata
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Related External Resources
Type: Related Primary Publication
Walters, D. M., Otter, R. R., Kraus, J. M., & Mills, M. A. (2018). Riparian Spiders Indicate the Magnitude and Sources of Polychlorinated Biphenyl (PCB) Contamination at a Large Contaminated Sediment Site. Environmental Toxicology and Chemistry. doi:10.1002/etc.4216
The data were used to characterize terrestrial exposure from PCB-contaminated sediments at the Ashtabula River Area of Concern (AOC). Our specific objectives were to: 1) assess the magnitude of PCB exposure in riparian spiders throughout the AOC; 2) determine the relationship between spider taxa, with respect to PCB concentrations; and 3) investigate if multiple, distinct sources of PCBs existed within the AOC.
