Arsenic
- Created by: jscott53135
- Created on: 22-04-18 17:07
View mindmap
- Arsenic
- Naturally occurring element in earth's crust
- Present in food due to absorption from soil and water
- FAO - long term exposure can cause cancer and skin lesions
- Codex Alimentarius Commission recommends intake shouldn't exceed 0.2mg/kg
- WHO: Inorganic - found in water, highly toxic. Organic - in seafood, less harmful
- Long-term - pigmentation changes, hard patches on palms and sole of feet
- Cancer of bladder and lungs
- Blackfoot disease - disease of blood vessels leading to gangrene
- Acute - vomiting, abdominal pain, diarrhoea, numbness, death
- Prevention
- Swap high arsenic groundwater with micro biologically safe rainwater
- Test water for arsenic levels
- Blend low and high arsenic water
- Install arsenic removal systems - oxidation, ion exchange. Low cost + effective
- Education - community understand risk
- Monitor high risk populations for early signs of arsenic poisoning
- Naturally occurring element in earth's crust
Comments
No comments have yet been made