Table A7. Results of holding-time study for groundwater samples from the Naval Surface Warfare Cen-
ter, Crane, Indiana, well G, samples 48741 and 48742.
Conc. fortified(g/L)
Determined concentration (g/L)
Acidified?
TNB
TNT
HMX
RDX
TNB
3,5-DNA
TNT
4ADNT
2ADNT
Day 0
No
pH = 3.69
0
0
Yes
pH = 2.30
0
0
No
75.0
36.7
67
33
Yes
75.0
36.7
70
40
Day 7
No
0
0
Yes
0
0
No
66
33
Yes
70
38
Day 14
No
0
0
Yes
0
0
No
66
36
Yes
72
40
Day 21
No
0
0
Yes
0
0
No
68
35
Yes
74
41
Day 28
No
0
0
Yes
0
0
No
65
35
Yes
73
39
Table A8. Results of holding-time study for groundwater samples from the Naval Surface Warfare Cen-
ter, Crane, Indiana, well H, samples 48719 and 48720.
Conc. fortified(g/L)
Determined concentration (g/L)
Acidified?
TNB
TNT
HMX
RDX
TNB
3,5-DNA
TNT
4ADNT
2ADNT
Day 0
No
pH = 4.50
0
0
Yes
pH = 2.27
0
0
No
75.0
36.7
68
32
Yes
75.0
36.7
68
39
Day 7
No
0
0
Yes
0
0
No
71
36
Yes
69
33
Day 14
No
0
0
Yes
0
0
No
68
32
Yes
71
36
Day 21
No
0
0
Yes
0
0
No
63
30
Yes
69
35
Day 28
No
0
0
Yes
0
0
No
64
34
Yes
71
38
28