APPENDIX A: SELECTED RESULTS FROM THE TECHNOLOGY DEMONSTRATION TRIAL
Table A1. Concentrations (mg/kg) of total petroleum hydro-
carbons (TPH) in soil samples contaminated with gasoline.
Sample
Technology developer
no./ID
CRREL
Visual
HM 2000
SG-1/PE (200)*
200
200
740
SG-2/PE (200)
180
500
750
SG-3/PE (200)
220
400
740
SG-4/PE (200)
190
170
270
SG-6/Matrix-Spike (100)
86
200
160
SG-7/Matrix-Spike (100)
90
140
160
SG-20/Matrix-Spike (500)
450
250
720
SG-21/Matrix-Spike (500)
460
730
510
SG-5/Matrix-Blank
<1
10
2.2
SG-8/Sample
19
50
72
SG-18/Sample Duplicate
20
80
79
(SG-8)
SG-10/Sample
<1
20
14
SG-19/ Sample Duplicate
<1
10
11
(SG-10)
SG-9/Sample
4400
8300
11000
SG-11/Sample
5800
5100
9200
SG-12/Sample
13000
12000
12000
SG-13/Sample
14
49
30
SG-14/Sample
<1
21
21
SG-15/Sample
980
360
720
SG-16/Sample
<1
5
18
* Values in parenthesis are the spiked concentration mg TPH/kg or the sample
duplicate.
Table A2. Concentrations (mg/L) of total petroleum hydrocarbons (TPH)
in water samples contaminated with gasoline.
Sample
Technology developer
no./ID
CRREL
Visual
HM 2000
WG-1/PE (1.0)*
0.93
4.3
4.8
WG-2/PE (1.0)
0.99
5.0
4.8
IF†
WG-3/PE (1.0)
1.0
1.0
WG-4/PE (1.0)
1.1
7.0
IF
WG-6/Matrix Spike (0.48)
0.29
0.5
IF
WG-7/Matrix Spike (0.48)
0.22
2.5
5.2
WG-15/Matrix Spike (24)
18
SL**
SL
WG-16/Matrix Spike (24)
21
SL
SL
WG-11/Sample
1.2
1.0
1.0
WG-14/Sample Duplicate (WG-11)
1.2
4.0
5.3
WG-5/Matrix Blank
<0.05
<0.1
<0.05
WG-8/Sample
37
30
22
WG-9/Sample
11
5.0
7.0
WG-10/Sample
7.7
>30
>50
WG-12/Sample
3.6
10
11
WG-13/Sample
0.95
2.0
2.0
* Values in parenthesis are the spiked concentration mg TPH/kg or the sample dupli-
cate.
† Instrument failure.
** Sample lost during preparation.
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