DERR-2024-008801

The use or reuse of this information is restricted to the referenced document unless otherwise authorized.
Wasatch Environmental Copyright 2006
Figure 6
Office
(1940)
Inaccessible
Garage
(2000s)
Original
Garage
(1950s)
Oil
Building
(1990s)
(Former Sump
in This Building)
Secondary
Containment (Added in 2012)
(Area Where Oil and Grease
Concentration Exceeded
Tier 1 in Soil and Low Concentration
of PCE Was Detected in Water [2012])
Stained
Concrete
Stained
Soil and
Concrete
Empty Former
Diesel AST
Former
Drum Storage
Area of Where
TPH-GRO Exceeded
ISLs and Low Concentration
of PCE in Soil Detected (2012)
Building and
Wrecked Vehicles
Where Previously
Located in This Area
(1950s-1980s)
Proposed Excavation Map
SOMMERS AUTO WRECKING WEI 2469-002G
GP-1
GP-2
GP-3
GP-4
GP-6
GP-7GP-8
GP-10
GP-12
GP-13
GP-17
GP-18
1 inch is equal
to 50 feet
GP-19
GP-20
GP-25
GP-21
3300 South
70
0

W
e
s
t
DU-3
Monitoring Well Location
LEGEND
Proposed Excavation Area
DU-X Initial Surface Soil Sampling Decision Unit
Boring Location
GP-30
GP-32
GP-28
GP-29
MW-2
MW-3
MW-4
MW-5
MW-1
GP-33
DU-XX Sub-Divided Surface Soil Sampling Decision Unit
GP-5
DU-1A
DU-1B DU-1C DU-1D DU-1E
DU-2A
DU-2B
DU-2C
DU-1
O&G - 1,940
TRPH - 1,270
Aroclor 1232 - 3.6
DU-2
Lead - 991
Dup. Lead - 204**
TPH-DRO - 570
Former Engine Storage
Area Where
TPH-GRO
Exceeded ISLs in Soil
(2012)
Dismantling
Building (2013/2014)
(Area of 2012 Soil Removal)
DU-5
Aroclor 1260 - 0.9
O&G - 1,450
TPH-DRO - 1,420
DU-4
Lead - 573
GP-11 (3-4’)
Benzene - 0.346
Lead - 5,390
GP-9 (2-3’)
Lead - 1,270
GP-14 (6-7’)
Benzene - 17.1
Ethylbenzene - 63.9
19.6Naphthalene -
TPH-GRO - 1,320
TPH-DRO - 1,100
GP-22 (3-4’)
Benzene - 26.3
Naphthalene - 22.8
49.8Toluene -
TPH-GRO - 576
TPH-DRO - 15,100 GP-23 (2-3’)
Benzene - 1.25
TPH-GRO - 200
TPH-DRO - 6,310
GP-24 (2-3’)
Benzene - 1.92
Toluene - 13.0
TPH-DRO - 5,350
GP-26 (2-3’)
TPH-DRO - 2,500
GP-27 (2-3’)
TPH-DRO - 4,580
GP-31-5’
TPH-DRO - 924
Notes
**Duplicate concentration below U.S. EPA RSL for Residential Soil
*All concentrations are reported in milligrams/kilogram
*Concentrations in exceed applicable U.S. EPA RSLs forred
Industrial Soil and/or Utah RBCA Tier I Screening Levels
*Concentrations in black exceed applicable U.S. EPA RSLs for
Residential Soil and/or Utah Initial Screening Levels, unless noted otherwise
DU-2E
Lead - 1,060
DU-2D
Lead - 658
EXC-2 EXC-3
EXC-1
EXC-4
(area subject to change
based on soil confirmationdata)
GP-16 (5-6’)
Benzene - 6.89
Naphthalene - 36.8
TPH-GRO - 625
Test Pit Location
TP-1
TP-3
TP-6
TP-5
TP-2
TP-4
GP-15 (5-6’)
Benzene - 0.239
Naphthalene - 2
DR
A
F
T