Table 3. Samples containing measurable analytes (g/L) by RP-HPLC. False negatives and false posi-
tives are in bold. Stored samples were analyzed at CRREL.
ΣTNT*
Well no.
pH
Type
HMX
RDX
TNB
DNB
DNA
TNT
DNT
2ADNT
4ADNT
CRANE
615
7.1
DIR
<0.2 all analytes
SOE
1.45
2.45
0.47
0.36
0.32
DTECH
515
515
0.52
OHM
0.74
0.79
EG
<0.5
0.53
616
7.1
DIR
94.0
79.0
SOE
54.2
63.8
0.26
0.33
3.08
1.36
DTECH
2545
<5
0.79
OHM
1.58
1.07
EG
2.9
0.60
storedDIR
<2.0
<2.0
<2.0
EG
2.5
QTX
<0.05
617
6.8
DIR
93.0
91.0
SOE
85.7
75.3
0.22
0.19
0.08
2.43
1.31
DTECH
2545
<5
0.45
OHM
0.6
0.65
EG
2.0
0.68
storedDIR
<2.0
<2.0
<2.0
EG
2.0
QTX
<0.05
618
6.8
DIR
45.0
14
SOE
45.7
16.4
0.17
2.18
1.21
DTECH
5-15
<5
0.42
OHM
0.36
0.47
EG
4.5
0.24
storedDIR
<2.0
<2.0
<2.0
EG
3.1
QTX
<0.05
618
7.0
DIR
45.0
11.0
Dupl
SOE
45.5
14.1
0.09
1.82
1.08
DTECH
5-15
<5
0.27
OHM
0.32
0.45
619
6.9
DIR
<0.2 all analytes
SOE
0.76
5.77
0.13
DTECH
<5
0.02
<5
OHM
<0.07
<0.07
EG
<0.5
<0.5
622
7.2
DIR
134
365
SOE
75.4
202
0.98
8.12
1.80
DTECH150-250
<5
2.18
OHM
4.5
1.63
EG
1.4
1.67
623
7.0
DIR
<0.2 all analytes
SOE
0.61
10.9
DTECH
<5
<5
OHM
<0.07
EG
<0.5
624
7.1
DIR
25.0
13.0
SOE
30.2
12.1
DTECH
5-15
<5
OHM
0.1
EG
* ΣTNT = the sum of TNT equivalents based on the particular cross reactivities for each kit.
Note: DIR = direct injection, SOE = salting-out extraction, OHM = Ohmicron, EG = EnviroGard, QTX = Quantix, Dupl. =
duplicate.
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