TNT Concentration (g/g)
GRID
Subgrid
Field
Analytical
Lab
Field
Acetone
DTech
NUMBER
Sampling
Rep.
8330
Colorimetric
HPLC
Rep.
AcN
D7
A
a
0.8
<d
1.01
0.5 to 1.5
b
1.1
mean
1.0
B
a
1.6
2.0
interference 1.5 to 3.0
b
1.9
by 2,4-DNT?
mean
1.8
C
a
1.2
1.5
0.85
0.5 to 1.5
b
2.1
mean
1.7
†
CC
1
1.8
2.2
0.88
<0.5
a
b
0.6
mean
1.2
CC
2
a
1.0
9.1
7.3
3 to 4
b
1.0
mean
1.0
D
a
12
3.6
2.1
3.0 to 4.0
b
5.6
mean
8.8
ABCD Comp.
a
3.7
2.5
1.4
1.5 to 3.0
b
21
3.3
2.1
1.5 to 3.0
mean
12
2.9
1.8
Means
ABCD - a
3.9
ABCD - b
2.7
ABCD
3.3
C - CC1 - CC2
1.3
4.2
3.0
CC1 - CC2
1.1
5.6
4.1
TNT in acetone extract confirmed by GC-ECD. Found concentration was 1.7 g/g.
†
RDX Concentration (g/g)
GRID
Subgrid
Field
Analytical
Lab
Acetone
NUMBER
Sampling
Rep.
8330
HPLC
Rep.
AcN
D7
A
a
<1.0
0.17
b
<1.0
mean
B
a
<1.0
1.12
b
<1.0
mean
C
a
<1.0
2.16
b
<1.0
mean
†
CC
1
<1.0
0.91
a
b
<1.0
mean
CC
2
a
<1.0
1.02
b
<1.0
mean
D
a
<1.0
0.34
b
<1.0
mean
ABCD
a
<1.0
11.1
Comp.
b
<1.0
0.56
mean
†
Presence RDX in acetone extract confirmed by GC-ECD.
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