The document discusses arsenic poisoning. It notes that a single 60mg oral dose of arsenic can make an adult sick, and a lethal dose is around 70mg for adults and 6mg for children. Long term arsenic exposure can cause liver damage, skin discoloration, and brain damage. Symptoms include headaches, confusion and diarrhea. Arsenic is tested for through urine, blood, hair and nails. Mild cases are treated with activated carbon, while more severe cases use chelating agents like DMSA. The document also provides background on a serial arsenic poisoner, Velma Barfield.

3.  How much will make you sick?
A one time oral does of arsenic (60
milligrams) is enough to make you sick.
 How much is lethal?
The lethal amount of arsenic poisoning
for an adult is about 70 milligrams for an
adult and for a child is 6 milligrams.
 Measuring Unit
Milligrams.

4. Arsenic is a metal, has the
Atomic number 33 and is As
on the periodic table

5.  Aside from being a poison to
humans arsenic is also used to kill
rats. Traces of As could also be
found in wallpaper, paint and
even some tanning products.

6. What does Arsenic do to the
body/ How does it interfere
with the body?
Ingestion of arsenic can lead
to vomiting, disturbance of
blood circulation and some
cancers.
Long term effects are
enlarged liver, change in skin
color and brain damage.
All which can lead to death.

7. How does science trace the
chemical? How do you get a
diagnosis?
The starting symptoms are
headaches, confusion, sever
diarrhea, yellowing of the fingernails
and horizontal lines across the nails.
These symptoms give signs that the
person should be tested for arsenic
poisoning. Test can be ran through
the urine, blood, hair and fingernails.
Urine is used for poisonings within the
first 24-48 hours while blood, hair and
fingernails are used for long term
poisoning like 6-12 months.

8. In mild cases you are given 2
tablespoons of activated
carbon in a room
temperature.
In acute cases you are a
given a agent called DMSA
(dimercaptosuccinic acid)
which is oral detoxing.

9. Margie was born October 29, 1932 in In 1970 she got remarried to
South Carolina, to an abusive father Jennings Barfield who later did in
who she later ran away from. As she 1971 from heart problems. After he
got older she got into a long line of died Velma took care of his
drugs and in 1949 meet her husband mother Lillian Bullard but in1974
Thomas Burke who later died in a house she started experience many
fire in 1969. symptoms of As poisoning, Lillian
was her first victim. She later when
on to work in more elderly homes
and killed up to 7 people. She
even killed her own mother.

10. Velma was questioned by the
police about her patents and
there mysterious death and
cracked under the pressure.
She was found guilty and
sentenced to death, she was
the first woman to be
executed my lethal injection

11. The bodies of all her victims were
exude and all were checked for
arsenic poisoning.

12. http://www.epa.gov/ttn/atw/hlthef/arsenic.
html
http://www.medterms.com/script/mai
http://www.origen.net/tox.html n/art.asp?articlekey=14947
http://safety.lovetoknow.com/Arsenic_Poiso
n http://en.wikipedia.org/wiki/Arsenic_p
oisoning
http://www.greenfacts.org/en/arsenic/l-
2/arsenic-7.htm#1 http://dmsachelation.com/arsenic-
poisoning/
http://www.health.state.mn.us/divs/e
h/hazardous/topics/arsenic.html#heal
th