
465
25
Questioned Sample
from the U.S. Drug
Enforcement Agency
25.1 BACKGROUND AND NONDESTRUCTIVE ANALYSIS
The Livermore Forensic Science Center was contacted by agents of the Drug
E
nforcement
A
gency
(
DEA),
w
ho
h
ad
o
btained
a
s
ample
o
f
r
adioactive
m
aterial
i
n
t
he
r
aid
o
f
a
c
landestine
d
rug
l
aboratory.
T
hey
r
equested
a
n
uclear
f
orensic
a
nalysis
o
f
t
he
c
onscated
s
ample,
p
rincipally
t
o
c
omplete
t
heir
i
nvestigation
a
nd
d
isposeof
t
he
r
adioactive
m
aterial.
W
e
r
eceived
t
he
s
ample
i
n
S
eptember
1
996,
a
nd
t
he
d
etailed
results of the analysis are given in Ref. [1].
The
s
ample
c
onsisted
o
f
a
b
rown-tinted
g
lass
b
ottle,
a
bout
o
ne-fourth
f
ull
o
f
a
w
hite