Lead contamination is a serious worldwide environmental problem. As it is difficult to detoxify by chemical or biological methods, gradual lead ion accumulation in the nervous and cardiovascular systems of the human body can subsequently cause serious diseases. Long-term health consequences of drinking lead-contaminated water include kidney problems and high blood pressure for adults, and the physical and mental development delays in infants and children.
Standards and Regulations for Lead [ACCLPP 2012]
- EPA: Drinking Water: 15ppb
- FDA: Juice: 50ppb
- EPA: Residential Soil: 400 ppm (play areas), 1200 ppm (non-play areas)
- CPSC: Paint: 90ppm
- FDA: Bottled drinking water: 5ppb
High Blood lead levels (i.e., greater than 700ppb) can cause serious health effects, including seizure, coma, and death. Blood levels as low as 100ppb have been associated with adverse effects on cognitive development, growth, and behavior among children aged 1-5 years.
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