Discuss the global threat of arsenic in drinking water. Arsenic is basically present in all rocks in minute amounts. Under the right conditions it can leach into groundwater and poison drinking water.

Discuss the global threat of arsenic in drinking water. Arsenic is basically present in all rocks in minute amounts. Under the right conditions it can leach into groundwater and poison drinking water.

Discuss the global threat of arsenic in drinking water. Arsenic is basically present in all rocks in minute amounts. Under the right conditions it can leach into groundwater and poison drinking water.

Discuss the global threat of arsenic in drinking water. Arsenic is basically present in all rocks in minute amounts. Under the right conditions it can leach into groundwater and poison drinking water.

Discuss the global threat of arsenic in drinking water. Arsenic is basically present in all rocks in minute amounts. Under the right conditions it can leach into groundwater and poison drinking water.

Discuss the global threat of arsenic in drinking water. Arsenic is basically present in all rocks in minute amounts. Under the right conditions it can leach into groundwater and poison drinking water.

Discuss the global threat of arsenic in drinking water. Arsenic is basically present in all rocks in minute amounts. Under the right conditions it can leach into groundwater and poison drinking water.

Discuss the global threat of arsenic in drinking water. Arsenic is basically present in all rocks in minute amounts. Under the right conditions it can leach into groundwater and poison drinking water.

Discuss the global threat of arsenic in drinking water. Arsenic is basically present in all rocks in minute amounts. Under the right conditions it can leach into groundwater and poison drinking water.

Discuss the global threat of arsenic in drinking water. Arsenic is basically present in all rocks in minute amounts. Under the right conditions it can leach into groundwater and poison drinking water.