Ias continues to poison the drinking water of tens of millions of people around the world
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iAs continues to poison the drinking water of tens of millions of people around the world. More than 2.3 million people in North Carolina use water from private, unregulated wells . Data from 2009. Sanders et al 2011. >63,000 wells over 10 yrs Max=800 ppb

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iAs continues to poison the drinking water of tens of millions of people around the world

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Ias continues to poison the drinking water of tens of millions of people around the world

iAs continues to poison the drinking water of tens of millions of people around the world


Ias continues to poison the drinking water of tens of millions of people around the world

More than 2.3 million people in North Carolina use water from private, unregulated wells

Data from 2009

Sanders et al 2011

>63,000 wells over 10 yrs

Max=800 ppb

1436 wells contaminated above 10 ppb

Hundreds exceeded 50 ppb


Ias continues to poison the drinking water of tens of millions of people around the world

More than 2.3 million people in North Carolina use water from private, unregulated wells

Data from 2009

75,000 people

Sanders et al 2011

>63,000 wells over 10 yrs

Max=800 ppb

1436 wells contaminated above 10 ppb

Hundreds exceeded 50 ppb


Cytochrome c oxidase

Cytochrome c oxidase

  • The enzyme cytochrome c oxidase or Complex IV) is a large transmembrane protein complex found in bacteria and the mitochondrion.

  • The complex contains two hemes a cytochrome a and cytochrome a3, and two copper centers, the CuA and CuB centers


Ias continues to poison the drinking water of tens of millions of people around the world

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Ias continues to poison the drinking water of tens of millions of people around the world

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Ias continues to poison the drinking water of tens of millions of people around the world

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Ias continues to poison the drinking water of tens of millions of people around the world

Cd and Zn transporters


Ias continues to poison the drinking water of tens of millions of people around the world

Methylmercury and methionine


Ias continues to poison the drinking water of tens of millions of people around the world

Monovalent, divalent


Ias continues to poison the drinking water of tens of millions of people around the world

elemental

inorganic


Ias continues to poison the drinking water of tens of millions of people around the world

Inhibits ability to make hemoglobin


Ias continues to poison the drinking water of tens of millions of people around the world

Cr(VI) is generally considered 1,000 times more toxic than Cr(III) [EPA 1998; ATSDR 2000; Dayan and Paine 2001].


Ias continues to poison the drinking water of tens of millions of people around the world

  • The toxicity of chromium compounds depends on the oxidation state of the metal.

  • Occupational exposure to chromium(VI) compounds has been associated with increased incidence of lung cancer.

  • Chromium(III) is an essential nutrient that can be toxic in large doses.


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