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Chapter 15
Small Volume Sampling and GC/MS Analysis for PAH Concentrations in Water above Contaminated Sediments 1
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David R. Young , R. J. Ozretich , and D. B. Chadwick
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N H E E R L , Western Ecology Division, U.S. Environmental Protection Agency, Newport, OR 97365 Environmental Science Division, U.S Navy S P A W A R Systems Center, San Diego, CA 92152
This paper describes a sampling and analysis method for measuring trace concentrations of polynuclear aromatic hydrocarbons (PAHs) in small volume (0.5 L ) water samples collected above sediment contaminated by these toxic organic compounds. The method was used in conjunction with a Benthic Flux Sampling Device at the Puget Sound Naval Shipyard (Sinclair Inlet, W A ) . Concentrations near or below 1 ng/L were measured for 24 PAHs. Water concentrations were corrected for recovery and procedural blank (generally
