A
B
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D
e rm
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,6
-
h
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h
y
l
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e(
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t
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eh
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s.A
s am
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le
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i
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l
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em
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i
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i
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em
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g
4
1 2
d
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g
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e xp
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h
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h
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t
o3 0
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th
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m
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le s
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t
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9
2
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A
T
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R
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L S A N
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M
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1 1
2 T
Pr e
p
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-M
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l
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2
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am
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h
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Sk i
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D
at
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18
3
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SU
L
T S
2 3
3
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P
h
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p
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a nd
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3
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Sp i k
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C
le a r c o a
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3
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h
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ap
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m
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m
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i
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L
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nt
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am
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l
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s o cy
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t
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am
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9
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et
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4
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A
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X
4 1
L i
st
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ab l
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d
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ff
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a nd
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t
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T
ab l
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t h
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l
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)
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5
T
ab l
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U
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cl
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i
n c r e a si
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c o n c e ntr a
t
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(
N
=
4
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2
6
T
ab l
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um b
e r of
s am
p
le s
w i
t
h b i
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s o cy
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c o n c e nt
r at
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ab
o v eL
O
Q
b
y
s a
m
p
l i
ng
l
o c at
i
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ef
o r e a nd
aft
e rd
ry
i
ng
32
T
ab l
eA l
.Pr e
p
a r ati
o n a nd
c o n c e nt
r at
i
o n s of
st
a nd
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sf
o rt
h
e st
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a rd
c u r v e4 1
T
ab l
eA 2
.T
a rg
et
c o n c e nt
r at
io n s a n
d
p
r ep
a r at
i
o n of
cl
e a r c o at
st
a nd
a rd
s4 1
T
ab l
eA 3
.H D I U
c o n c e nt
r at
i
o n sin
th
e sp
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ed
t
ap
e
-s
t
ri
p
s am
p
le s
w i
th
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t
h
o ut
sk in
b
ef
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aft
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ry
in
g
4 2
T
ab l
eA 4
.B U
c o n c e nt
r ati
o n sin
t
h
e sp
i k
ed
t
ap
e-st
ri
p
s am
p
l
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t
h
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th
o ut
sk i
ne x
p
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ef
o r e a nd
aft
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in
g
4 3
T
ab l
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U
c o n c e nt
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nt
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p
s am
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l
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ef
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ry
in
g
4 4
T
ab l
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6
.H D
I U
c o n c e nt
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th
et
ap
e
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t
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p
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p
l
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h
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sk in
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i
k
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w it
h
cl
e a r c o at
be
f
o r e a nd
aft
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ry
in
g
4
5
T
ab l
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7
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c o n c e nt
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o n sin
t
h
et
ap
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ri
p
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t
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n e xp
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h
c
le a r c o a
t
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aft
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in
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4 6
T
ab l
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8
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U
c o n c e nt
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i
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t
h
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p
s am
p
le s
w i
th
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t
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c
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7
T
ab l
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9
.St
a nd
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e vi
at
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,B
U
, a nd
l U
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t
h
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st
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(
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ry
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l
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nt
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U m
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2
8
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O
Q
aft
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(
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=
1
9
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2
9
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D U C T I
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A
sth
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19
.7 b i l l i
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e ry
e a r '.
R
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o15
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p
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h
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ain
t
sy
st
em
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ai
nt
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om
ob i l
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xp
o s u r e st
o1,
6
-h
e x a
m
et
h
y
l
e n ed i i
s o cy
a n at
e(
H D I
)
a nd i
t
s ol i
g
om
e r sH D
l
b i
u r et
(
B I
)
a nd H
D I
is o c
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a n u r at
e(
I SO
)
h
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p
l i
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a cto r s c o n
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n c r e a s ed i
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t
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n t
l
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l S
af
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h
(
N I O SH
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m
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i
n1 9
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ig
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ala
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e e n c o n si d
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th
ep
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a ry
r o ut
e of
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t y p
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h
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t
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)
i
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l
y
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d
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io n
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^.
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ai
rin
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,d
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al
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ai
nt
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nd
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t
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ai
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,f
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d /
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y
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l i
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l i q
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m
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-m
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(
L C
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it
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t
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ab l
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s of H D
I
o rb i
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c a u s ed
c o n c e r n^.
A
n a c c u r at
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em
et
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s am
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A T E
R
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A
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2
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H D
I
(
H D I U
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B
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d
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w
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