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Environ Pollut. 1996;92(3):275-80.

Polycyclic aromatic hydrocarbons in Norwegian forest soils: impact of long range atmospheric transport.

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  • 1Department of Chemistry, University of Trondheim, AVH, N-7055 Dragvoll, Norway.


Levels of nine selected polycyclic aromatic hydrocarbons, PAHs, in surface soils from areas in southern and central Norway are presented. Levels in central Norway are generally low, while the southern Norway soils are about ten-fold higher with respect to 4 and 5 ring PAHs. Comparison with air quality data indicates long-range atmospheric transport to be the major source of the excess 4 and 5 ring PAHs in the south. Analyses of peat cores from ombrotrophic bogs support this assumption, and these provide a potentially useful approach for temporal studies of atmospheric PAH deposition. Analytical data for naphthalene in soils depend very much on the sampling and storage of the samples before analysis.

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