NDLI: Evaluation of heavy metal contamination in Phaeozem of northeast China

Content Provider	Springer Nature Link
Author	Guo, G.L. Zhou, Q.X.
Copyright Year	2005
Abstract	Surface and profile Phaeozem soil samples from 31 locations affected by various anthropogenic activities such as mining, chemical manufacturing, traffic emission and pesticide application were collected in Heilongjiang Province and Jilin Province, northeast China. The range of total concentrations of four heavy metals Cd, Pb, Cu and Zn in the soil was 0.011–3.137, 10.31–62.34, 9.74–51.21 and 39.54–247.59 mg kg−1, respectively, determined using the acidic digestion procedure. Four methods including single contamination evaluation, background concentration comparison, surface/subsurface concentration comparison and exchangeable fraction evaluation were used to evaluate the extent of metal contamination in Phaeozem. The results indicated that different activities increased the concentrations of the heavy metals in surface soils, where high concentrations of cadmium and lead were found close to chemical plants and in the suburbs of the investigated cities. The four methods showed a general trend of increased soil contamination with heavy metals. Cadmium was of the most concern compared with the other contaminated elements in the study area, due to the long-term phosphatic fertilizer utilization and industrial activities. The proper evaluation method for cadmium contamination was the background concentration comparison, while for zinc and copper was the single contaminative index evaluation. Cadmium and lead could be the potential environmental risk in the Phaeozem area based on the different evaluations.
Starting Page	331
Ending Page	340
Page Count	10
File Format	PDF
ISSN	02694042
Journal	Environmental Geochemistry and Health
Volume Number	28
Issue Number	4
e-ISSN	15732983
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-05-25
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	contamination evaluation environmental risk heavy metal Phaeozem Atmospheric Protection/Air Quality Control/Air Pollution Public Health/Gesundheitswesen Geochemistry
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Medicine Geochemistry and Petrology Environmental Engineering Water Science and Technology

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