having a valence of six.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use hexavalent in a sentence
There was also evidence of a contaminant researchers had linked to cancer, hexavalent chromium, which had previously been discovered in some California drinking wells by environmental advocate Erin Brockovich.How a Powerful Company Convinced Georgia to Let It Bury Toxic Waste in Groundwater | by Max Blau | January 18, 2022 | ProPublica
Because the factory makes planes, the EPA assumed that a fifth of the total chromium releases were hexavalent.What’s Polluting the Air? Not Even the EPA Can Say. | by Ava Kofman | December 16, 2021 | ProPublica
Georgia’s local public health departments offer a $122 well test that can detect a limited number of toxins, but not hexavalent chromium.
On the other hand, Vengosh also has conducted research showing that ash from Wyoming-sourced Powder River Basin coal — the coal that Georgia Power uses at Plant Scherer — contains high levels of hexavalent chromium.
Each one contained hexavalent chromium levels between 30 and 140 times higher than drinking-water guidelines in North Carolina, and between 100 and 490 times higher than those in California.
The coal ash deposits have heavy concentrations of hexavalent chromium, a carcinogen.Chris Hedges and Joe Sacco Chronicle Mining Catastrophes in West Virginia | Chris Hedges, Joe Sacco | June 14, 2012 | THE DAILY BEAST
British Dictionary definitions for hexavalent
chem having a valency of six: Also: sexivalent
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012