FIGURE 15-1

1
FIGURE 15-1 Simplified cross section developed
from site and subsurface characterization.
2
FIGURE 15-2 Early geophysicist (or modern
diviner).
3
FIGURE 15-3 Interpretation of a historic air
photo of a landfill.
4
FIGURE 15-4 Workers in Level C protective
equipment sampling a tank truck.
5
FIGURE 15-5 Schematic of seismic survey.
6
FIGURE 15-6 Schematic of resistivity survey.
7
FIGURE 15-7 Terrain conductivity contours.
8
FIGURE 15-8 Ground-penetrating radar.
9
FIGURE 15-9 Magnetometer survey results.
10
FIGURE 15-10 Continuous flight augers.
11
FIGURE 15-11 Solid- and hollow-stem augers.
12
FIGURE 15-12 Mud rotary drilling.
13
FIGURE 15-13 Standard penetration test.
14
FIGURE 15-15 Vane shear testing.
15
FIGURE 15-16 Correction to vane shear test
results.
16
FIGURE 15-17 Dilatometer testing.
17
FIGURE 15-18 Water level measurement.
18
FIGURE 15-20 Thin-wall samplers.
19
FIGURE 15-20 Thin-wall samplers.
20
FIGURE 15-21 Rock coring equipment.
21
FIGURE 15-22 Typical monitoring well.
22
FIGURE 15-23 Perched water table.
23
FIGURE 15-24 Piezometer cluster in
unconfined/confined aquifer system.
24
FIGURE 15-25 Piezometers in confined aquifer.
25
FIGURE 15-26 Multiple and nested wells.
26
FIGURE 15-27 Monitoring rock formations.
27
FIGURE 15-28 Multilayer aquifer system.
28
FIGURE 15-29 Drilling through contaminated
aquifer.
29
FIGURE 15-30 Principle of soil gas surveys.
30
FIGURE 15-31 Mobile laboratory used for soil
analysis.
31
FIGURE 15-32 Interior of mobile laboratory.
32
FIGURE 15-33 Site map.
33
FIGURE 15-34 GIS representation of
contaminated soil (Scenario II).
34
FIGURE 15-35 GIS representation of contaminated
soil (Scenario V).
35
FIGURE 15-36 Contour map.
36
FIGURE 15-37 Three-dimensional representation of
site topography.
37
FIGURE 15-38 Typical boring log.
38
FIGURE 15-39 Geologic profile.
39
FIGURE 15-40 Structural contour.
40
FIGURE 15-41 Isopac map.
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November 8, 2000 1351 lag93656_ch15 Sheet number
64 Page number 975 black 975 SECTION15-9 Case
Study .
FIGURE 15-43 Groundwater contours.