Table 5. Results of SOUND/epic and independent laboratory analyses* of RMA Basin F soil
sample no. 24216 before and after DCR treatment with 27.4% CaO.
TCLP
Raw waste
DCR-treated
DCR-treated
DCR-treated
before
product
product
product
Waste constituent
treatment
(loose)
(compact)
(compact)
Moisture content1 (%)
11.7
13.7
16.0
Gravimetric oil and grease1
(mg/kg dry wt.)
10,700
41,800
15,200
Total resolved hydrocarbons1 --
FID GC (mg/kg dry wt.)
2,420
2,400
N.A.
Total resolved pesticides1--
ECD GC (mg/kg dry wt.)
3,270
2,110
1,100
(g/L)
Individual constituents
(ng/g dry wt.) (ng/g dry wt.) (ng/g dry wt.)
Toluene
11
N.A.
< 16
< 1.9
Volatiles--
Ethylbenzene
4.1 J
N.A.
< 11
<1.4
GC/MS EPA 8260
m,p-Xylene
24
N.A.
< 16
< 2.0
o-Xylene
19
N.A.
< 12
< 1.5
n-Propylbenzene
3.9 J
N.A.
< 11
< 1.4
1,3,5-Trimethylbenzene
19
N.A.
< 12
< 1.5
1,2,4-Trimethylbenzene
28
N.A.
< 11
< 1.4
sec-Butylbenzene
2.3 J
N.A.
< 11
< 1.4
1,3-Dichlorobenzene
5.0 J
N.A.
< 11
< 1.4
1,4-Dichlorobenzene
19
N.A.
< 12
< 1.5
n-Butylbenzene
3.6 J
N.A.
< 12
< 1.5
1,2-Dichlorobenzene
11
N.A.
< 13
< 1.6
Rep. 1
Rep. 2
Total PCBs
< 13,000
N.A.
<1400
Pesticides and PCBs--
Alpha-BHC
2,400
N.A.
<1350
ECD GC EPA 8081
Beta-BHC
< 136
N.A.
<1304
Aldrin
390,000
N.A.
350,000
4.0
4.8
Dieldrin
260,000
N.A.
220,000
31.0
42.0
Endrin
140,000
N.A.
120,000
20.0
28.0
Endosulfan II
< 165
N.A.
9,300
Endrin aldehyde
20,000
N.A.
8,600
Endrin ketone
3,200
N.A.
11,000
N-Nitroso-di-n-propylamine
1,000
N.A.
<130
Semivolatiles--
1,2,4-Trichlorobenzene
210
N.A.
<180
GC/MS EPA 8270
Naphthalene
38
N.A.
63 J
Hexachlorobutadiene
6,900
N.A.
2800
0.65
2-Methylnaphthalene
130
N.A.
100 J
Dibenzofuran
34 J
N.A.
<53
Fluorene
70
N.A.
<77
Phenanthrene
110
N.A.
130 J
Anthracene
88
N.A.
<100
Fluoranthene
75
N.A.
<77
Chrysene
35 J
N.A.
<63
* Analyses denoted by superscript1 completed by SOUND/epic, all others by U.S. Army Corps of Engineers Environ-
mental Laboratory, Hubbardston, Massachusetts.
J = Estimated value; less than the practical quantitation limit.
N.A. = Not analyzed
DCR reagent addition (loose), and 27.4% DCR
samples (Fig. 4). Quite clearly there is a dramatic
reagent addition (with and without compaction).
reduction in the complexity and total levels of
Figure 5 presents the FID GC profiles obtained
pesticides after DCR treatment and sample com-
on the RMA soil sample before and after DCR
paction, and this is also reflected by the data in
treatment. Because 10% ADM soy oil was added
Table 6, which summarizes the results from se-
to aid in sequestering the pesticides during the
lected constituent analyses in the raw soil, 64.7%
11