2-Am-DNT and 4-Am-DNT Concentration (g/g)
GRID
Subgrid
Field
Analytical
Lab
Acetone
Acetone
NUMBER
Sampling
Rep.
8330
HPLC
HPLC
Rep.
AcN
4-Am-DNT 2-Am-DNT
D8
A
a
5.6
3.63
1.97
b
4.9
mean=
5.3
B
a
2.2
0.73
0.67
b
2.6
mean=
2.4
C
a
1.3
0.56
0.50
b
1.3
mean=
1.3
D
a
0.9
0.45
0.43
b
0.9
mean=
0.9
Comp.
a
2.4
0.84
0.80
b
2.5
0.95
0.88
mean=
2.5
0.89
0.84
Means
ABCD - a
2.5
1.3
0.89
ABCD - b
2.4
ABCD
2.5
Depth Samples
B (2 to 4")
a
2.7
1.20
1.09
b
2.4
mean=
a†
B (4 to 6")
6.3
3.69
3.34
b
5.7
mean=
†
† resence
P
of amino-DNTs in acetone extract confirmed by GC-ECD.
Othe nitroaromatic (Concentrati ( (g
OtherrNitroaromaticssConcentrationong/g)/g)
GRID
Subgrid
Field
Analytical
Lab
Acetone
Lab
NUMBER
Sampling
Rep.
8330 AcN
HPLC
8330 AcN
Rep.
TNB and DNB
2,4- and
2,6-DNT
D8
A
a
<0.3
3.1
<d
b
<0.3
<0.3
mean=
B
a
<0.3
0.7
<d
b
<0.3
<0.3
mean=
C
a
<0.3
<0.3
<d
b
<0.3
<0.3
mean=
D
a
<0.3
<0.3
<d
b
<0.3
3.8
mean=
Comp.
a
<0.3
<0.3
<d
b
<0.3
trace
<0.3
mean=
Depth Samples
B (2 to 4")
a
<0.3
1.8
<d
†
<0.3
11
b
mean=
6.4
††
B (4 to 6")
<0.3
0.3
a
<d
b
<0.3
0.3
mean=
0.3
1.1 g/g tetryl reported for Lab Method 8330 AcN.
†
††
Presence of DNTs in acetone extract confirmed by GC-ECD.
34