Antimony Sb Atomic Number: 51 Atomic Weight: 121.76 Half Life: 19mins-2.75yrs ______________________________________________________________________________ Sources: - Mining of ore - Incinerators/coal combustion - Fire retardants - Medicines (antihelminthic/antiprotozoic) - Wearing of brake pads in vehicles Adverse Effects: - Acute: vomiting, loss of hair, dry scaly skin, weight loss, heart, liver and kidney damage - Chronic: pneumoconiosis, cardiac dysrythmia, gastritis, diarrhea, ulcers, peripheral vascular disease