Technically anything in great enough proportions is poisonous. However pencil "lead" isn't lead, but is actually graphite. Graphite is far less toxic than lead if consumed.
http://wiki.answers.com/Q/Is_pencil_lead_posins
Pencil - Wikipedia, the free encyclopedia
A pencil is a writing or drawing device consisting of a slippery, thin stick of pigment (usually graphite, but can also be colored pigment or charcoal) and clay, usually encased in a thin wood cylin...
en.wikipedia.org/wiki/Pencil
Can you get lead poisoning from pencil lead? Since pencil lead is actually graphite, it is not possible to get lead poisoning from it. Lead poisoning is when damaging and/or leathal amounts of... ... Since pencil lead is actually graphite, it is not possible to get lead poisoning from it. Lead poisoning is when damaging and...
www.answerbag.com/q_view/1541
Pencils are writing instruments. This article discusses the health problems that may occur if you swallow a pencil. ... Poisonous Ingredient ... Despite common belief, pencils have never contained lead. All pencils are made of graphite, which is a soft form of carbon. Carbon is a completely different element than lead.
www.nlm.nih.gov/medlineplus/ency/article/002817.htm
Pencil Lead (Graphite) information center covers Poisonous Ingredient. ... You are here : AllRefer.com > Health > Poisons & Overdoses > Pencil Lead: Poisonous Ingredient...
health.allrefer.com/health/pencil-lead-ingredient.html health.allrefer.com/health/pencil-lead-ingredient.html
Pencil Lead (Graphite) information center covers poisonous ingredients, sources, signs, symptoms, cautions, poison control, expectations, first aid measures, and treatment. ... This poisoning is caused by ingestion of regular pencil lead. ... Poisonous Ingredient...
health.allrefer.com/health/pencil-lead-info.html health.allrefer.com/health/pencil-lead-info.html
Your first real contact with lead occurred before you used your first pencil or could even spell it. It is an ... So lead is clearly present, but how is it so destructive and insidious? Surprisingly, in its elemental form (written Pb), lead isn't poisonous to humans! However, when lead comes in compound form (that is,
www.thezephyr.com/environ/lead.html www.thezephyr.com/environ/lead.html
Can one get lead poisoning from pencil lead? ... No. The 'lead' in lead pencils is actually graphite, which is a form of carbon and is non-poisonous.
www.pencilpages.com/misc/faq.htm www.pencilpages.com/misc/faq.htm
The 'lead' in a pencil has not been made of lead for centuries. The ancient Egyptians, Greeks and Romans all used small lead discs to rule lines on sheets of papyrus before writing on them with a brush and ink. ... After shaping, the pencils are painted with non-poisonous lacquer...
www.lead.org.au/lanv4n3/lanv4n3-11.html www.lead.org.au/lanv4n3/lanv4n3-11.html
This poisoning is caused by ingestion of regular pencil lead. ... Poisonous Ingredient: ... They will instruct you if it is necessary to take the person to the hospital. If it is necessary, bring a pencil sample with you to the emergency room.
www.jrmc.org/adam/ency/article/002817.htm
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