1996
DOI: 10.3133/ofr95719
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Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of semivolatile organic compounds in bottom sediment by solvent extraction, gel permeation chromatographic fractionation, and capillary-column gas chromatography/mass spectrometry

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Cited by 37 publications
(8 citation statements)
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“…The analytical procedure and method performance are described in detail by Furlong et al [5]. Briefly, streambed‐sediment samples were extracted with dichloromethane in a Soxhlet apparatus for at least 12 h. The extract was concentrated, and SVOCs were then partially isolated from humic‐type compounds and elemental sulfur by an automated gel permeation chromatography system.…”
Section: Study Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…The analytical procedure and method performance are described in detail by Furlong et al [5]. Briefly, streambed‐sediment samples were extracted with dichloromethane in a Soxhlet apparatus for at least 12 h. The extract was concentrated, and SVOCs were then partially isolated from humic‐type compounds and elemental sulfur by an automated gel permeation chromatography system.…”
Section: Study Methodsmentioning
confidence: 99%
“…By definition, SVOCs have low to moderate vapor pressures [4]. The SVOCs are operationally defined as solvent‐extractable organic compounds that can be determined by gas chromatography/mass spectrometry [5]. Many of the SVOCs that were analyzed are priority pollutants, which are compounds that received special attention when the process of setting water‐quality standards and effluent limits were initiated in the 1970s [6].…”
Section: Introductionmentioning
confidence: 99%
“…Total carbon, organic carbon, inorganic carbon, Aroclors 1242, 1254, and 1260, total PCBs, organochlorine insecticides, polyaromatic hydrocarbons (PAH), and other potential endocrine-disrupting compounds (e.g., 17b-estradiol) were measured in sediment samples following standard extraction, cleanup, and fractionation techniques (Foreman et al, 1995;Furlong et al, 1996). Some procedures were slightly modified by the USGS NWQL to determine estradiol and cholesterol.…”
Section: Sediment Sampling and Analysesmentioning
confidence: 99%
“…Samples for analysis of PAHs were chilled and sent to the USGS National Water Quality Laboratory for analysis. The glassfiber filters were extracted and analyzed using a variation of the procedures of Furlong et al (1996). Total PAH as presented here is the sum of 18 parent PAHs and their alkylated homologues.…”
Section: Sample Processing and Analytical Proceduresmentioning
confidence: 99%