Question

Arsenic is a toxic metal that can be found in the water supply. Begin a discussion on arsenic in water by answering the following questions: What are the current federal standards for arsenic in drinking water? Is this standard the same for arsenic in drinking water in Europe? How does arsenic in water affect the body? What are some side effects?

Answer 1

Arsenic is a toxic metal that hat can be found in water supply.

Q.NO.1 What are the current federal standards for arsenic in drinking water?

ANS: = The current federal standards for arsenic in drinking water is less than 0.05 mg/l in united states.

But this value may get down or equal to 0.05mg/l in some countries we will discuss further down but the WHO(world health organisation ) has stictly prohibited the amount of arsenic not to be greater than 0.05mg/l .

   Q.NO.2  Is this standard the same for arsenic in drinking water in Europe?

ANS: = NO, in European Union this value this value is l 0.01mg/l.

some countries whose value of arsenic in given water is as under

1.lower than 0.01 mg/L=australia.

2. whose standard is 0.01 mg/L=European Union , Japan , Jordan , Laos , Laos, Mongolia , Namibia, Syria.

3. Countries whose standard is lower than 0.05 mg/l but higher than 0.01 mg/l= Canada   

4.  Countries considering to lower the standard from 0.05 mg/L= United States .

Q.NO.3   How does arsenic in water affect the body?

ANS:=

1.Long-term exposure to arsenic in drinking water can cause( cancer in the skin, lungs,     bladder and kidney.)

2. skin changes such as thickening and pigmentation

3. Arsenic is highly toxic in its inorganic form.

4. vomiting, abdominal pain and diarrhoea  

  5.numbness and tingling of the extremities, muscle cramping and death, in extreme cases.

Q.NO.4   What are some side effects?

ANS :Symptoms of exposure to high levels of arsenic include stomach pain, vomiting, diarrhea, and impaired nerve function, which may result in 'pins and needles' sensation or numbness and burning in hands and feet. Arsenic can also cause skin changes, which include darkening, and wart-like or corn-like growths.

some additional knowledge

Treatment of arsenic poisoning the best ways to eleminate the arsenic exposure.vitamin e and selenium is used to eliminate arsenic exposure.