the body.

Soientiata have bruught this inatrument

amounts

radioactive

of

scientists

found

that

things
as

the

in

the

bodies

food-bearing

of

trees

to measure

to Bikini
tho

Bikini

began

te

paople.

praduce

Fruit,

amount of radjoactive things in the bodies of the people increasad.
the

amounts

of

scientists had

radioactive

astimated when

things

in

peoples

the people were

bodies

told

were

that

they

the
The
the

By 1978,

higher
could

than

return.

This {sn the reason Lhat they were removed from Bikini Atoll.
Scientists
cobalt

in

a

can

use

parson,

thts

but

americium, and strontium.

machine

this

to

davice

measure
{ts

not

the
able

amount
to

of

ecnasium

maasure

and

plutonium,

Tha way they measure these three things,

urine and measure the amount of things that are radioactive in it.

they take
Fron doing

thia they are able to estimate how muah plutonium, americium, and strontium is
2

in & person's body.

-

THE AMOUNT OF RADTATION THAT HAS AEEN ESTAALISHED (A LIMIT IS IMPLIED]
(RADIATION STANDARDS)

No one is absolutely certain how muoh radiation a person can reeniva and
not have harm to his body.

Around the world, many groups of aciantista and

ductors are sbudying this subject.
ara:

International

Proteetion

people

fram

Agenay,

The names of some of thease organizations

Commission on Radiological Protection,
and

the harm

the

{nternational

they might

receiva

Atomic

fron

Energy

radiation,

U.3.

Agency.

and

&nvironmental
To

vased

protect

upon

the

information they hava found, these organizations nave recommended some amounta
‘of

radiation

that

people

should

not

exonad,

These

organizations

also

Select target paragraph3