期刊
ENVIRONMENTAL POLLUTION
卷 206, 期 -, 页码 400-410出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2015.07.025
关键词
Metal aging; Characterization factors; Soils; LCA
资金
- European Commission [ENV.20093.3.2.1: LC-IMPACT]
- 3R graduate school at DTU Environment
Metal exposure to terrestrial organisms is influenced by the reactivity of the solid-phase metal pool. This reactivity is thought to depend on the type of emission source, on aging mechanisms that are active in the soil, and on ambient conditions. Our work shows, that when controlling for soil pH or soil organic carbon, emission source occasionally has an effect on reactivity of Cd, Co, Cu, Ni, Pb and Zn emitted from various anthropogenic sources followed by aging in the soil from a few years to two centuries. The uncertainties in estimating the age prevent definitive conclusions about the influence of aging time on the reactivity of metals from anthropogenic sources in soils. Thus, for calculating comparative toxicity potentials of man-made metal contaminations in soils, we recommend using time-horizon independent accessibility factors derived from source-specific reactive fractions. (C) 2015 Elsevier Ltd. All rights reserved.
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