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REGIONAL EXTENT AND RELATIVE PROPORTIONS OF DIFFERENT METAL EMISSIONS IN HELSINKI AIR STUDIED BY THE MOSS-BAG TECHNIQUE.

Mäkinen, Ahti
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OR-38-84.pdf (7.497Mb)
URI
https://hdl.handle.net/11250/2717548
Date
1984
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  • NILU oppdragsrapport (1970-2015) [1723]
Abstract
Trace metals were analysed in 600 moss bag samples located in and around Helsinki. Accumulation of ash, Cd, Cr, Cu, Fe, Pb, Ni, V, and Zn over 5 months (Oct-Mar) was analysed with a AAS flame method. Largest amounts of metals were found near a refuse burning plant and near main streets with daily traffic of up to 50 000 vehicles. The relative contribution of different sources was estimated with a factor analytic method. The factors traffic, energy and incinerator factory showed significant loadings.
Publisher
NILU
Series
NILU OR; 38/84
Copyright
© NILU

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