APPENDIX A: HOLDING-TIME STUDY RESULTS
Table A1. Results of holding-time study for groundwater samples from the Naval Surface Warfare Cen-
ter, Crane, Indiana, well A, samples 48622 and 48635.
Conc. fortified(g/L)
Determined concentration (g/L)
Acidified?
TNB
TNT
HMX
RDX
TNB
3,5-DNA
TNT
4ADNT
2ADNT
Day 0
No
pH = 7.1
0
0
134
365
12
5
Yes
pH = 2.2
0
0
135
359
11
5
No
30.0
24.5
133
375
26
24
Yes
30.0
24.5
135
373
27
24
Day 7
No
0
0
144
378
5
4
Yes
0
0
126
370
11
3
No
138
376
22
19
14
4
Yes
128
370
25
25
11
6
Day 14
No
0
0
135
372
14
4
Yes
0
0
135
385
4
13
3
No
137
373
17
1
21
14
3
Yes
132
367
26
26
10
4
Day 21
No
0
0
133
372
1
11
3
Yes
0
0
134
366
3
8
5
No
130
370
12
4
19
11
5
Yes
135
368
26
29
9
4
Day 28
No
0
0
133
377
2
11
2
Yes
0
0
133
373
5
9
5
No
136
380
8
4
17
11
6
Yes
130
371
26
27
8
4
Table A2. Results of holding-time study for groundwater samples from the Naval Surface Warfare Cen-
ter, Crane, Indiana, well B, samples 48725 and 48726.
Conc. fortified(g/L)
Determined concentration (g/L)
Acidified?
TNB
TNT
HMX
RDX
TNB
3,5-DNA
TNT
4ADNT
2ADNT
Day 0
No
pH = 6.0
0
0
165
58
9
7
Yes
pH = 2.5
0
0
158
55
6
5
No
75.0
36.7
166
51
70
35
11
7
Yes
75.0
36.7
155
50
69
40
4
3
Day 7
No
0
0
156
57
10
7
Yes
0
0
150
56
No
152
60
57
4
32
7
6
Yes
149
56
69
36
Day 14
No
0
0
160
58
11
6
Yes
0
0
168
58
5
No
159
55
53
5
34
11
5
Yes
163
55
72
39
Day 21
No
0
0
157
56
11
9
Yes
0
0
160
55
6
No
156
55
47
4
31
10
8
Yes
158
56
70
34
Day 28
No
0
0
155
64
11
11
Yes
0
0
159
61
No
156
62
44
7
30
11
10
Yes
177
70
78
40
25
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