Contaminants · Metals
Hexavalent chromiumCr(VI)
A metal. Like any element it does not break down: it can be taken out of the soil or water, held in place or changed in chemical form, but not destroyed.
On the national lists
Sites on the national lists whose official record names this substance. In the bar, the coloured part is the sites still listed. The lists, in full, are on the sites page.
United States
Superfund National Priorities List (NPL)143 sites, 120 still listed
Species reported in the literature
Species that acted on this contaminant in at least one study, with the highest level of evidence available. They are pointers from the literature, not a remediation plan.
Sites where it is found
Where plants or fungi were tried
Notable case, Muynak, Uzbekistan
Dried Aral Sea bed (Aralkum) and Karakalpakstan
Microbial bioremediation
Notable case, Hinkley, San Bernardino County, United States
Hinkley groundwater contamination
PhytoremediationMicrobial bioremediation
Notable case, Punjab (Kasur District), Pakistan
Kasur tanneries
Phytoremediation
Former SIN, Province di Caserta e Napoli
Litorale Domizio Flegreo and Agro Aversano ("Terra dei Fuochi")
Phytoremediation
Notable case, Tamil Nadu, India
Ranipet (TCCL chromium waste)
Microbial bioremediation
Notable case, Sukinda (Jajpur district), India
Sukinda chromite valley
Phytoremediation
SIN, Taranto, Statte
Taranto
Phytoremediation
The other sites with a page
In Italy
- BrindisiPuglia
- Bussi sul TirinoBussi sul Tirino, Bolognano (Pescara)
- Cogoleto-Stoppani chromium worksCogoleto e Arenzano (Genova)
- Massa and CarraraMassa, Carrara
- Pioltello and Rodano (former SISAS plant)Pioltello e Rodano (Milano)
- PiombinoPiombino (Livorno)
- Priolo (Augusta–Priolo–Melilli)Augusta, Priolo Gargallo, Melilli, Siracusa
- Sesto San Giovanni (former Falck steelworks)Sesto San Giovanni (Milano)
- Spinetta Marengo (Solvay, now Syensqo, chemical plant)Spinetta Marengo, Alessandria
- Val Basento industrial areaValle del Basento (Matera)
Elsewhere in the world
- Haulbowline Island (former Irish Steel)Cobh (Cork Harbour), Ireland
- Kanpur, Jajmau tanneriesJajmau (Kanpur), India