Arsenic As

Atomic Number: 33
Atomic Mass: 74.92
Half-life: 9 mins to 80.3 days

Source:

• Widely distributed in earth's crust
• Widely used in may products, processes
• Coal combustion, metal production, and waste incineration
• Fish/shellfish (mostly organic)
• Wood preservative
• Drinking water

Adverse Effects:

• Organic arsenic is rarely problematic; inorganic arsenic is toxic
• Acute: GI upset, neuropathy, muscle weakness, cardiac dysrythmia
• Chronic: peripheral and central neuropathy, skin cancer, peripheral vascular disease, lung cancer, liver toxicity
• Children less efficient at converting inorganic to organic forms
• Crosses placenta, low in breast milk