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Questions And Answers About Lead (Pb) And Lead Poisoning
1. WHAT IS LEAD ?
ANSWER: Lead (Pb) is a soft, slightly sweet-tasting, bluish-white when cut (but turns dull gray when exposed to air), malleable, useful and utilitarian, heavy and toxic (neurotoxin) metal (Atomic Number 82), that has a scientific half-life of over 500,000 years, and does not dissolve in water, nor dissipate, nor decay, nor burn. As a neurotoxin, when inhaled or ingested lead (Pb) accumulates in the soft tissues and bone of the human body. The greatest source today is probably recycling of automobile batteries.
2. WHAT IS LEAD PAINT ?
ANSWER : Lead Paint (aka Lead-Based Paint or Leaded Paint) is defined as paint containing in excess of 1.0 milligram per square centimeter (mg/cm2) or 0.5 % by weight of lead (Pb). Lead-based
based paint has been popular, among other things, because of its durability and washability --- thus its popular use in homes and other buildings prior to being banned for consumer use in the United States in 1978.
3. WHAT IS LEAD POISONING ?
ANSWER: Lead Poisoning, or Plumbism, or Devon Colic, or Painter's Colic, is a type of metal poisoning and a medical condition in humans and other vertebrates caused by increased levels of the heavy metal lead (Pb) in the body.
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