Common Occurrence of a Positive δ53Cr Shift in Central European Waters Contaminated by Geogenic/Industrial Chromium Relative to Source Values

Carcinogenic effects of hexavalent chromium in waters are of concern in many countries worldwide. We explored Cr isotope systematics at 11 sites in the Czech Republic and Poland. Geogenic Cr pollution was associated with serpentinite bodies at former convergent plate margins, while anthropogenic Cr...

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Published in:Environmental science & technology 2014-06, Vol.48 (11), p.6089-6096
Main Authors: Novak, Martin, Chrastny, Vladislav, Cadkova, Eva, Farkas, Juraj, Bullen, Thomas D, Tylcer, Jiri, Szurmanova, Zdenka, Cron, Marcel, Prechova, Eva, Curik, Jan, Stepanova, Marketa, Pasava, Jan, Erbanova, Lucie, Houskova, Marie, Puncochar, Karel, Hellerich, Lucas A
Format: Article
Language:English
Subjects:
Chromium - analysis
Chromium - chemistry
Chromium Isotopes - analysis
Chromium Isotopes - chemistry
Czech Republic
Environmental Pollution - analysis
Industrial Waste - analysis
Soil Pollutants - analysis
Water Pollutants, Chemical - analysis
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Summary:Carcinogenic effects of hexavalent chromium in waters are of concern in many countries worldwide. We explored Cr isotope systematics at 11 sites in the Czech Republic and Poland. Geogenic Cr pollution was associated with serpentinite bodies at former convergent plate margins, while anthropogenic Cr pollution resulted from electroplating, tanning, and the chemical industry. Cr­(VI) concentration in geogenic waters was less than 40 ppb. Anthropogenic waters contained up to 127,000 ppb Cr­(VI). At both geogenic and anthropogenic sites, where known, the source of pollution had a low δ53Cr (
ISSN:0013-936X
1520-5851
DOI:10.1021/es405615h