Soil_Figures_with_TCLP_Results.pdf

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OHM-AB01

OHM-AB02

OHM-AB04

OHM-AB05

OHM-AB07

OHM-F01

OHM-E03

OHM-E01

OHM-D06

OHM-D07

OHM-D01

OHM-C05

OHM-C06

OHM-B04

OHM-A08

OHM-A06

OHM-A05

OHM-A04

OHM-A03OHM-A02

OHM-A01

OHM-A09

OHM-D03

(1) - 100

(0.5) - 540(0.5) - 470 (0.5) - 1,600

OHM-AB06

OHM-AA06

OHM-A07

OHM-B05

OHM-B06

OHM-B09

OHM-B03

OHM-B02

OHM-B01

OHM-A10

OHM-C07

OHM-C08

OHM-D04

OHM-D05

(1) - 160

(0.5) - 48,000

(0.5) - 580

(1) - 1,500

(1) - 290

(0.5) - 2,500

(0.5) - 6,500

(0.5) - 18,000

(0.5) - 1,900

ND

NDND

ND

ND

(1) - 640

(1) - 450

ND

(1) - 6,600

(1) - 510

(1) - 27,000

(1) - 23,000

(1) - 12,000

OHM-E04

OHM-AB08

OHM-D02

OHM-E02

OHM-C02 OHM-C01

OHM-C03

OHM-C04

OHM-F02

OHM-G01OHM-G02

OHM-G03

OHM-AA01

OHM-AA02

OHM-AA03

OHM-AA04

OHM-AA05

OHM-AB03

(1) - 900 ND

(0.5) - 1,400

(0.5) - 310

ND

ND

(1) - 150

OHM-B07

OHM-C10

OHM-C09

(1.5) - 300

(1.5) - 630

ND

(1) - 36,000

(1) - 1,300

(1) - 26

(1) - 100

(1) - 110

(1) - 1,300

(1) - 210

ND

ND

ND

(1) - 580

ND

ND

ND

ND

(1) - 1,400

OHM-AA07

NDND

OHM-AA08

ND

OHM-BB02OHM-BB01 OHM-BB03

ND

ND

ND

ND

ND

ND

(0.16) - 52ND

(0.16) - 36

(0.33) - 71

(0.33) - 290

ND

(0.33) - 19,000

ND

(0.33) - 31

ND

ND

ND

Boring 12 Boring 8

Boring 10

Boring 7

Boring 11

Boring 9

Boring 5

Boring 1 Boring 3

Boring 4

Boring 6

Boring 2

OHM-GW-11

OHM-GW-12

OHM-GW-13

OHM-GW-10

OHM-GW-08

OHM-GW-07

OHM-AA03

OHM-AA04

OHM-D02

OHM-C06

OHM-B01

OHM-GW-06OHM-GW-05

OHM-GW-04

OHM-GW-09

SP-01

SP-02

OHM-H11

OHM-F01

OHM-A02

OHM-A03

OHM-H10 OHM-H01 OHM-H02 OHM-H03 OHM-H04 OHM-H05 OHM-H06 OHM-H07 OHM-H08 OHM-H09

OHM-I01 OHM-I02 OHM-I03 OHM-I04 OHM-I05 OHM-I06 OHM-I07

OHM-J03 OHM-J02 OHM-J01

PCIX-1D

PCIX-4PCIX-3

PCIX-2D

PCIX-5D

U.S. EPA

Region 7

Legend

Filename: Fig2-1_OHM.dwg

Task Order Number: 3370-002

Revised: 9/9/14 KBR

SCALE IN FEET

25 500 12.5

N

Figure 2.1

OHM Source Area DPT Soil and Groundwater Sample Locations

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Monitoring Well (MW) (~20' Deep)

Existing Sanitary Sewer Line

Existing Water Line

Vent

Existing Storm Sewer Line

Existing Underground Electric

Natural Gas

Existing Overhead Electric

Interior Wall

Exterior Wall

Fence

Block Wall

2010 DPT Soil Sample Location (> 60 µg/kg)

2010 DPT Soil Sample Location (< 60 µg/kg)

(2) - 1,000 (feet bgs) - PCE concentration in µg/kg (unless noted otherwise)

2014 DPT Soil Profiling Boring to 30 feet bgs

ND Not Detected

2009 DPT Soil Sample Location (> 60 µg/kg)

2009 DPT Soil Sample Location (< 60 µg/kg)

2014 DPT Soil Sample Location to 15 feet bgs

2014 DPT Groundwater Sample Location to 75 feet bgs

2014 Re-sample Soil Location (TCLP VOCs only)

Sand Vapor Extraction (SVE) well (~20' Deep)

Pilot Combined Injection and Extraction (PCIX) well

Accelerated Remediation Technology (ART) Integrated

Remediation System well

2014 Re-sample Soil Location (at Water Table and 3'

Below)

LEFT TURN LANE

EAST BOUND PASSING LANE

EAST BOUND TRAVEL LANE

WEST BOUND PASSING LANE

Toxicity Characteristic Leaching ProcedureTCLP micrograms per kilogramµg/kg

G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G

TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL

G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G

E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E

Abandoned Water Service Line

JAC-I02

th A v e

MW-5

9th St.

Alley

Top Score Games

Bailer

Office

Bermed Area

RR

City Recycling Center

Drain indicated on site sketches

(Not observed)

10' Spacing

RR

JAC-J06

JAC-L05JAC-L04JAC-L03

JAC-H05

JAC-I05

JAC-H09

TOP-L02*

JAC-M01

JAC-L07

JAC-K01

JAC-J07

JAC-I04

JAC-H06

JAC-H08

JAC-L06

JAC-J08

JAC-H07

JAC-F03

JAC-E07

JAC-B01

JAC-D08

JAC-E10

JAC-A01

JAC-A02 JAC-A03 JAC-A04

JAC-A05

JAC-A06

JAC-E08

RR

JAC-E06

JAC-F04

JAC-E05 JAC-E04

JAC-D03

JAC-E03

JAC-D01

TOP-J04TOP-J05

TOP-H04

JAC-J01

JAC-J02 JAC-J03

JAC-I01

JAC-I03

JAC-H03

JAC-H02

JAC-F02

JAC-G02

JAC-G01

JAC-F01

JAC-E02

(1) - 30,000

(1) - 2,900

(1) - 14,000

ND

(1.5) - 7,000

JAC-G03

JAC-G06

JAC-G05

JAC-G04

(1) - 140

(1) - 1,300

Office

(1) - 2,500

(0) - 24,000

(1) - 15,000

NS

(1) - 530

ND

(1) - 350

(1) - 520

(1) - 650

(1) - 3,000

(2.5) - 830

(1) - 13,000

(1) - 7,900

TOP-L01*

Work Room

Main Room

Storage

RR

Settlement Pit

(2) - 3,900

(1) - 970

(1) - 880

(1) - 6,400

(1.5) - 340

(1) - 1,900

(1) - 7,500

(1) - 290

(1) - 4,500

(1) - 1,500

(1) - 450

(1) - 150

(1) - 1,300

(1) - 680

(1) - 140

(1) - 210

ND

ND

(1) - 79

Abandoned Gas Line

Current Gas Line

Abandoned Water Service Line

JAC-B02

JAC-B03

JAC-A07

JAC-A09

JAC-A10 JAC-A12

JAC-A11

JAC-B08

JAC-B09

JAC-B10

JAC-B11

(1) - 4,500

(1) - 1,600

ND

(1) - 560

(1) - 1,000

(1) - 1,100

(1) - 730

(1) - 1,100

(1) - 600(1) - 3,600

(1) - 600

(1) - 2,200

ND

(1) - 4,300

(1) - 29,000

JAC-N01

JAC-O01

JAC-P04 JAC-P03 JAC-P02 JAC-P01

JAC-G07

JAC-D02JAC-D05

JAC-D06

JAC-B12

NDNDND

(1) - 1,500(1) - 600

ND

(1) - 600

(1) - 55,000(1) - 360,000

(1) - 12,000

JAC-B04

JAC-B05JAC-B06

JAC-B07

JAC-N04

JAC-N03

JAC-N02

ND

ND

ND

ND

ND

ND

(1) - 320

(1) - 400

(1) - 7,700

(1) - 6,000

(1) - 2,600

(1) - 5,500

(1) - 13,000

(1) - 8,900

(1) - 7,200

(1) - 1,900

(1) - 450

(1) - 300,000

(1) - 680

JAC-M02

JAC-AA04

JAC-AA03 JAC-AA02 JAC-AA01

JAC-B13

NDNDND

ND

JAC-D07

JAC-E09

JAC-I06

JAC-M03

(1) - 290

(1) - 1,600

(1) - 6,100

(1) - 770

(1) - 5,000

(1) - 10,000

ND

(1) - 790

ND

ND

ND

ND

JAC-A08

NS

Former Loading

Dock

Office

(Main Floor)

Boiler Room

(Basement Level -

No Access) Basement Level

(8 ft bgs)

Back Door

Former Dry

Cleaning Machines

JAC-B14

JAC-A13

JAC-D09

JAC-E11

JAC-F05

JAC-G08

JAC-I07

JAC-J09

JAC-K02

(1) - 23J

(1) - 28

(1) - 11

ND

ND

(1) - 18

(1) - 12

ND

ND

U.S. EPA

Region 7

Legend

Filename: Fig2-2_Jackson.dwg

Task Order Number: 3370-002

Revised: 9/9/14 KBR

SCALE IN FEET

20 400 10

N

Figure 2.2

Former Jackson Services

Source Area DPT Soil

Sample Locations

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Monitoring Well (MW)

Existing 6" Sanitary Sewer Line

TEL TEL Existing Telephone Line

G G Existing Natural Gas Line

E E Existing Electrical Line

Floor Drain

Sanitary Sewer Lines within Building

Rest RoomRR

Features indicated inside this area are at basement level (8 ft bgs)

2010 DPT Soil Sample Location (> 60 µg/kg)

(2) - 1,000 (feet bgs) - PCE concentration in µg/kg (2010/2011)

2010 DPT Soil Sample Location (< 60 µg/kg)

Not DetectedND

Not SampledNS

2010 DPT Boring Location

2011 DPT Soil Sample Location

Re-sample Soil Location (TCLP VOCs only) (2 ft bgs)

Re-sample Soil Location (at Water Table and 3' Below)

G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G

G G G

G G

G G

G GAlley th

A v e n u e

E E E E E E E E E E E E E E E E E E E E E E

Front Office

Press Room

RR

Miller

G G

G G

G G

G G

G G

G G

G G

Liberty

Cleaners Front Door

LIB-A09

LIB-A01

LIB-A02 LIB-A03

LIB-A04

LIB-B03 LIB-B04 LIB-B01

LIB-C05

LIB-C04

LIB-C01

LIB-C06 LIB-C02

LIB-D03

LIB-D02 LIB-D01

LIB-E01 LIB-E05 LIB-E04

LIB-E03LIB-E02

LIB-Z11

LIB-Z01

LIB-Z02

LIB-Z09

LIB-Z07

LIB-Z08

LIB-Z04

MW-1

(2) - 550

(2) - 48,000

(2) - 230

(1) - 51,000

LIB-Z03

LIB-Z06

LIB-Z05

(2) - 950

(1) - 810

(1.5) - 4,500

ND

(1) - 110

(1) - 350

ND

LIB-AA01

LIB-AA02

(1) - 3,300

ND

LIB-C03

(1) - 4,000

LIB-AA03

(1) - 840

G

G G

G G

G G

LIB-B02

LIB-A10LIB-A11

LIB-A12

LIB-A07

LIB-A06

LIB-A05LIB-A08

LIB-F01

LIB-F02

LIB-F03

Former Liberty

Cleaners

Warehouse Property

Fenced Yard

Warehouse

Property

Steel Plate Above ground water faucet

(1) - 230

ND

LIB-AA04

(2) - 110

(2) - 680

(1) - 1,200

(1) - 170

ND

ND

(1) - 790

ND

(1) - 250

ND

ND

ND

ND

(1) - 73

LIB-E06

LIB-E07

LIB-E11

LIB-E10

LIB-E09

LIB-CC02

LIB-BB02

LIB-AA05

(1) - 5,800

(2) - 6,400

ND

(1) - 270

ND

(1) - 14,000

(1) - 9,200

(1) - 10,000

(1) - 5,900 (1) - 1,300

(1) - 13,000

(1) - 91

(1) - 5,800(1) - 6,900

(1) - 1,100

ND

LIB-BB01

ND

LIB-CC01

ND

LIB-AX01

ND

(1.5) - 1,200

ND

(1) - 550

(1) - 1,000

ND

ND

ND

LIB-CC03

LIB-DD01LIB-DD02

LIB-DD03

LIB-Z10

(1) - 5,300

ND

(1) - 20

NDND

ND

ND

LIB-E08

Former Dry Cleaning Machine

Machine Room

U.S. EPA

Region 7

Legend

Filename: Fig2-3_Liberty.dwg

Task Order Number: 3370-002

Revised: 9/9/14 KBR

SCALE IN FEET

15 300 7.5

N

Figure 2.3

Liberty Cleaners Source Area

DPT Soil Sample Locations

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Monitoring Well (MW)

Existing 6" Sanitary Sewer Line

TEL TEL Existing Telephone Line

G G Existing Natural Gas Line (Underground)

E E Existing Electrical Line (Underground)

Rest RoomRR

(2) - 1,000 (feet bgs) - PCE concentration in µg/kg (2010/2011)

2010 DPT Soil Sample Location (> 60 µg/kg)

2010 DPT Soil Sample Location (< 60 µg/kg)

Not DetectedND

2014 Re-sample Soil Location (TCLP VOCs only)

NE Hwy 30 (23rd St.)

th A v e

Restaurant Food Fast

Storm Sewer

Storm Sewer Inlet

Street Light

Shed

Dry Cleaners

Building Treatment

Prestige

AS/SVE

Customer Area

Dry Cleaning Machine

Storage

Boiler Room

Sanitary Sewer Line

Boiler

Dry Cleaning Solvent & Waste Storage (Petroleum Distillate)

Sanitary Sewer Floor Drain

(OHM Grate)

Observed Connection to Sanitary Sewer (75' West of Manhole)

Gas in Alley

OHM-AB01

OHM-AB02

OHM-AB04

OHM-AB05 OHM-AB07

OHM-F01

OHM-E03

OHM-E01

OHM-D06

OHM-D07

OHM-D01

OHM-C05

OHM-C06

OHM-B04

OHM-A08

OHM-A06

OHM-A05

OHM-A04

OHM-A03OHM-A02

OHM-A01

OHM-A09

OHM-D03

(1) - 100

(0.5) - 540(0.5) - 470

ND

(0.5) - 1,600

OHM-AB06

OHM-AA06

OHM-A07

OHM-B05

OHM-B06

OHM-B09

OHM-B03

OHM-B02

OHM-B01

OHM-A10

OHM-C07

OHM-C08

OHM-D04

OHM-D05

(1) - 160

(0.5) - 48,000

TCLP = ND

(0.5) - 580

(1) - 1,500

(1) - 290

(0.5) - 2,500

(0.5) - 6,500

(0.5) - 18,000

TCLP = ND

(0.5) - 1,900

ND

NDND

ND

ND

(1) - 640

(1) - 450

ND

(1) - 6,600

(1) - 510

(1) - 27,000

TCLP = 6.3

(1) - 23,000

TCLP = 6.8

(1) - 12,000

OHM-E04

OHM-AB08

OHM-D02

OHM-E02

OHM-C02 OHM-C01

OHM-C03

OHM-C04

OHM-F02

OHM-G01OHM-G02

OHM-G03

OHM-AA01

OHM-AA02

OHM-AA03

OHM-AA04

OHM-AA05

OHM-AB03

(1) - 900 ND

(0.5) - 1,400

(0.5) - 310

ND

ND

(1) - 150

OHM-B07

OHM-C10

OHM-C09

(1.5) - 300

(1.5) - 630

ND

(1) - 36,000

TCLP = ND

(1) - 1,300

(1) - 26

(1) - 100

(1) - 110

Sewer Line Gas Line

(1) - 1,300

(1) - 210

ND

ND

ND

(1) - 580

ND

ND

ND

ND

(1) - 1,400

OHM-AA07

NDND

OHM-AA08

ND

OHM-BB02OHM-BB01 OHM-BB03

ND

ND

ND

ND

ND

ND

ND

OHM-H09OHM-H08OHM-H07OHM-H06OHM-H05OHM-H04OHM-H03OHM-H02OHM-H01OHM-H10OHM-H11

(2) - ND (2) - ND (2) - ND (2) - ND (2) - ND (2) - ND (2) - ND (2) - ND (2) - ND (2) - ND (2) - ND

OHM-I01

(2) - ND

OHM-I02

(2) - ND

OHM-I03

(2) - ND

OHM-I04

(2) - 92.6

OHM-I05

(2) - 75.4

OHM-I06

(2) - 66.2

OHM-I07

(2) - 55.9

OHM-J03

(2) - ND

TCLP = ND

OHM-J02

(2) - ND

TCLP = ND

OHM-J01

(2) - 58.6

TCLP = ND

SP-02

SP-01

NS

NS

U.S. EPA

Region 7

Legend

Filename: FIg3-1_Soil_OHM_Results_PCE_0-2.dwg

Task Order Number: 3370-002

Revised: 9/11/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.1

OHM Source Area Soil PCE Results

(0 to 2 Feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Accelerated Remediation Technology (ART) Integrated

Remediation System well

Sand Vapor Extraction (SVE) well (~20' Deep)

Clay Vapor Extraction (CVE) well (~6' Deep)

Air Sparge (AS) well (~70' Deep)

Monitoring Well (MW) (~20' Deep)

Pilot Combined Injection and Extraction (PCIX) well

Existing 12" Water Line

Existing 8" Sanitary Sewer Line

Existing 24" Stormwater Line

Existing 10" Water Line

Sanitary Sewer Connection noted during sewer inspectionSSC

DPT Soil Sample Location (> 60 µg/kg)

DPT Soil Sample Location (< 60 µg/kg)

(2) - 1,000 (feet bgs) - PCE concentration in µg/kg

PCE 60 - 100 µg/kg

PCE 100 - 1,000 µg/kg

PCE 1,000 - 10,000 µg/kg

PCE > 10,000 µg/kg

Residential Soil Risk Level of 550 µg/kg

Industrial Soil Risk Level of 2,600 µg/kg

Estimated contour

ND Not Detected

TCLP Toxicity Characteristic Leaching Procedure Results ug/L

(reporting limit = 5 µg/L)

LEFT TURN LANE

EAST BOUND PASSING LANE

EAST BOUND TRAVEL LANE

WEST BOUND PASSING LANE

Note: Data from 2010 and 2014 investigations.

See Figure 2.1 for new sample locations.

micrograms per kilogramµg/kg micrograms per literµg/L

2014 DPT Soil Profile Boring to 30 ft bgs (Not sampled at this interval)

NS Not Sampled th A v e

Restaurant Food Fast

Storm Sewer

Storm Sewer Inlet

Street Light

Shed

Dry Cleaners

Building Treatment

Prestige

AS/SVE

Customer Area

Dry Cleaning Machine

Storage Boiler Room

Sanitary Sewer Line

Boiler

Dry Cleaning Solvent & Waste Storage (Petroleum Distillate)

Sanitary Sewer Floor Drain

(OHM Grate)

Observed Connection to Sanitary Sewer (75' West of Manhole)

Gas in Alley

OHM-AB01 OHM-AB02 OHM-AB04 OHM-AB05 OHM-AB07

OHM-F01

OHM-E03OHM-E01

OHM-D06

OHM-D07OHM-D01

OHM-C05

OHM-C06

OHM-B04

OHM-A08

OHM-A06

OHM-A05OHM-A04OHM-A03OHM-A02

OHM-A01

OHM-A09

OHM-D03

(6) - 150

ND

(6) - 140

OHM-AB06

OHM-AA06

OHM-A07

OHM-B05

OHM-B06 OHM-B09OHM-B03OHM-B02

OHM-B01

OHM-A10

OHM-C07 OHM-C08

OHM-D04 OHM-D05

(5) - 380

(6) - 78

ND

ND

ND

ND

ND

OHM-E04

OHM-AB08

OHM-D02

OHM-E02

OHM-C02 OHM-C01OHM-C03OHM-C04

OHM-F02

OHM-G01

OHM-G02OHM-G03

OHM-AA01 OHM-AA02 OHM-AA03 OHM-AA04 OHM-AA05

OHM-AB03

(5) - 480 (4.5) - 92 (4) - 450

(4) - 120

ND

ND

(5) - 83

OHM-B07

OHM-C10

OHM-C09

(5) - 31

(5) - 820

Sewer Line Gas Line

ND

ND

ND

ND

ND

ND

ND

OHM-AA07

NDND

OHM-AA08

ND

OHM-BB02OHM-BB01 OHM-BB03

ND

ND

ND

ND

NDNDNDND

ND ND ND ND ND

ND

NDND

ND ND

ND

NDND ND

NDNDND

ND

ND ND

ND

ND

ND

ND

ND

ND

NE Hwy 30 (23rd St.)

OHM-H09OHM-H08OHM-H07OHM-H06OHM-H05OHM-H04OHM-H03OHM-H02OHM-H01OHM-H10OHM-H11

(6) - ND (6) - ND (6) - 55 (6) - 77.3 (6) - 94.6 (6) - 98.8 (6) - NS (6) - 136 (6) - 80.1 (6) - 68.5 (6) - 75.7

OHM-I01

(6) - 62.7

OHM-I02

(6) - 50.3

OHM-I03

(6) - ND

OHM-I04

(6) - 50.1

OHM-I05

(6) - ND

OHM-I06

(6) - 60.3

OHM-I07

(6) - 61.8

OHM-J03

(5) - 87.1

TCLP = ND

OHM-J02

(6) - ND

TCLP = ND

OHM-J01

(6) - ND

TCLP = ND

(4) - 1,655 (4) - 353

SP-02

SP-01

U.S. EPA

Region 7

Legend

Filename: Fig3-2_Soil_OHM_Results_PCE_4-6.dwg

Task Order Number: 3370-002

Revised: 9/11/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.2

OHM Source Area Soil PCE Results

(4 to 6 Feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Accelerated Remediation Technology (ART) Integrated

Remediation System well

Sand Vapor Extraction (SVE) well (~20' Deep)

Clay Vapor Extraction (CVE) well (~6' Deep)

Air Sparge (AS) well (~70' Deep)

Monitoring Well (MW) (~20' Deep)

Pilot Combined Injection and Extraction (PCIX) well

Existing 12" Water Line

Existing 8" Sanitary Sewer Line

Existing 24" Stormwater Line

Existing 10" Water Line

DPT Soil Sample Location (> 60 µg/kg)

DPT Soil Sample Location (< 60 µg/kg)

(2) - 1,000 (feet bgs) - PCE concentration in µg/kg (unless noted otherwise)

PCE (tetrachloroethene) 60 - 100 µg/kg

PCE 100 - 1,000 µg/kg

Estimated contour

ND Not Detected

LEFT TURN LANE

EAST BOUND PASSING LANE

EAST BOUND TRAVEL LANE

WEST BOUND PASSING LANE

NS Not Sampled

Note: Data from 2010 and 2014 investigations.

See Figure 2.1 for new sample locations.

PCE 1,000 - 10,000 µg/kg

2014 DPT Soil Profile Boring to 30 feet bgs

TCLP Toxicity Characteristic Leaching Procedure Results ug/L

(reporting limit = 5 µg/L) micrograms per literµg/L th A v e

Restaurant Food Fast

Storm Sewer

Storm Sewer Inlet

Street Light

Shed

Dry Cleaners

Building Treatment

Prestige

AS/SVE

Customer Area

Dry Cleaning Machine

Storage

Boiler Room

Sanitary Sewer Line

Boiler

Dry Cleaning Solvent & Waste Storage (Petroleum Distillate)

Sanitary Sewer Floor Drain

(OHM Grate)

OHM-AA01

Observed Connection to Sanitary Sewer (75' West of Manhole)

Gas in Alley

OHM-AB01 OHM-AB02 OHM-AB04 OHM-AB05 OHM-AB07

OHM-F01

OHM-E03OHM-E01

OHM-D06

OHM-D07OHM-D01

OHM-C05

OHM-C06

OHM-B04

OHM-A08OHM-A06

OHM-A05OHM-A04OHM-A03OHM-A02

OHM-A01

OHM-A09

OHM-D03

ND

(8) - 69

OHM-AB06

OHM-AA06

OHM-A07

OHM-B05 OHM-B06 OHM-B09OHM-B03OHM-B02OHM-B01

OHM-A10

OHM-C07 OHM-C08

OHM-D04 OHM-D05

(9) - 110

(9) - 140

ND

(9.5) - 58J

ND

ND

ND

ND

OHM-E04

OHM-AB08

OHM-D02

OHM-E02

OHM-C02 OHM-C01OHM-C03OHM-C04

OHM-F02

OHM-G01

OHM-G02OHM-G03

OHM-AA02 OHM-AA04OHM-AA03 OHM-AA05

OHM-AB03

ND

(9) - 220

(8) - 170

(8) - 73

ND

ND

(7) - 82

OHM-B07

OHM-C10OHM-C09

Sewer Line Gas Line

ND

ND

ND

ND

ND

ND

ND

OHM-AA07

NDND

OHM-AA08

OHM-BB02

ND

OHM-BB01

ND

OHM-BB03

ND

ND

ND

ND

ND

NDNDNDND

ND ND ND ND ND

NDND

ND

NDND

ND

NDND

ND

NDND

ND

NDND

ND

ND

ND ND

ND

ND

ND

OHM-H09OHM-H08OHM-H07

OHM-H06

OHM-H05OHM-H04OHM-H03OHM-H02

OHM-H01

OHM-H10OHM-H11

(10) - ND (10) - ND

(10) - 44,424*

TCLP = 350

(10) - ND (10) - ND (10) - ND (10) - ND

(10) - 80.5

(10) - 55.6 (10) - 81.3 (10) - ND

OHM-I01

(10) - ND

OHM-I02

(10) - ND

OHM-I03

(10) - 1,531

OHM-I04

(10) - ND

OHM-I05

(10) - ND

OHM-I06

(10) - ND

OHM-I07

(10) - ND

OHM-J03

(10) - ND

TCLP = ND

OHM-J02

(10) - 1,268

TCLP = 18

OHM-J01

(10) - ND

TCLP = ND

(8) - 506

(8) - 224

SP-02

SP-01

U.S. EPA

Region 7

Legend

Filename: Fig3-3_Soil_OHM_Results_PCE_7-10.dwg

Task Order Number: 3370-002

Revised: 9/11/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.3

OHM Source Area Soil PCE Results

(7 to 10 Feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Accelerated Remediation Technology (ART) Integrated

Remediation System well

Sand Vapor Extraction (SVE) well (~20' Deep)

Clay Vapor Extraction (CVE) well (~6' Deep)

Air Sparge (AS) well (~70' Deep)

Monitoring Well (MW) (~20' Deep)

Pilot Combined Injection and Extraction (PCIX) well

Existing 12" Water Line

Existing 8" Sanitary Sewer Line

Existing 24" Stormwater Line

Existing 10" Water Line

DPT Soil Sample Location (> 60 µg/kg)

DPT Soil Sample Location (< 60 µg/kg)

(2) - 1,000 (feet bgs) - PCE concentration in µg/kg (unless noted otherwise)

PCE (tetrachloroethene) 60 - 100 µg/kg

PCE 100 - 1,000 µg/kg

Estimated contour

ND Not Detected

LEFT TURN LANE

EAST BOUND PASSING LANE

EAST BOUND TRAVEL LANE

WEST BOUND PASSING LANE

PCE 1,000 - 10,000 µg/kg

* Soil samples OHM-H01-10, OHM-I03, and OHM-J02 were collected from 2-3 inch thick silt stringer.

Note: Data from 2010 and 2014 investigations.

See Figure 2.1 for new sample locations.

2014 DPT Soil Profile Boring to 30 feet bgs

TCLP Toxicity Characteristic Leaching Procedure Results ug/L

(reporting limit = 5 µg/L) th A v e

Restaurant Food Fast

Storm Sewer

Storm Sewer Inlet

Street Light

Shed

Dry Cleaners

Building Treatment

Prestige

AS/SVE

Customer Area

Dry Cleaning Machine

Storage

Boiler Room

Sanitary Sewer Line

Boiler

Dry Cleaning Solvent & Waste Storage (Petroleum Distillate)

Sanitary Sewer Floor Drain

(OHM Grate)

Observed Connection to Sanitary Sewer (75' West of Manhole)

Gas in Alley

OHM-AB01 OHM-AB02 OHM-AB04 OHM-AB05 OHM-AB07

OHM-F01

OHM-E03OHM-E01

OHM-D06

OHM-D07OHM-D01

OHM-C05

OHM-C06

OHM-B04

OHM-A08OHM-A06

OHM-A05OHM-A04

OHM-A03OHM-A02

OHM-A01

OHM-A09

OHM-D03

NSNS

OHM-AB06

OHM-AA06

OHM-A07

OHM-B05 OHM-B06 OHM-B09OHM-B03OHM-B02OHM-B01

OHM-A10

OHM-C07 OHM-C08

OHM-D04 OHM-D05

NS

(12) - ND

NS

NS

NS

NS

NS

NS

OHM-E04

OHM-AB08

OHM-D02

OHM-E02

OHM-C02 OHM-C01OHM-C03OHM-C04

OHM-F02

OHM-G01

OHM-G02OHM-G03

OHM-AA01 OHM-AA02 OHM-AA03 OHM-AA04 OHM-AA05

OHM-AB03

(12) - 97.4

(12) - 79.1

NS

NS

NS

NS

OHM-B07

OHM-C10OHM-C09

Sewer Line Gas Line

NS

NS

NS

NS

NS

NS

NS

OHM-AA07

NSNS

OHM-AA08

NS

OHM-BB02OHM-BB01 OHM-BB03

NS

NS

NS

NS

NSNSNSNS

NS NS NS NS NS

NSNS

NS

NS

NSNS NS

NS

NSNS

NS

NS

NSNS

NS

NSNS

NS

NS

NS NS

NS

NS

NS

OHM-H09OHM-H08OHM-H07OHM-H06OHM-H05OHM-H04OHM-H03OHM-H02OHM-H01OHM-H10OHM-H11

NS NS NS NS NS NS NS NS NS NS NS

OHM-I01

NS

OHM-I02

NS

OHM-I03

NS

OHM-I04

NS

OHM-I05

NS

OHM-I06

NS

OHM-I07

NS

OHM-J03

NS

OHM-J02

NS

OHM-J01

NS

(11) - 144

(13) - 110

SP-02

SP-01

U.S. EPA

Region 7

Legend

Filename: Fig3-4_Soil_OHM_Results_PCE_11-13.dwg

Task Order Number: 3370-002

Revised: 9/11/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.4

OHM Source Area Soil PCE Results

(11 to 13 Feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Accelerated Remediation Technology (ART) Integrated

Remediation System well

Sand Vapor Extraction (SVE) well (~20' Deep)

Clay Vapor Extraction (CVE) well (~6' Deep)

Air Sparge (AS) well (~70' Deep)

Monitoring Well (MW) (~20' Deep)

Pilot Combined Injection and Extraction (PCIX) well

Existing 12" Water Line

Existing 8" Sanitary Sewer Line

Existing 24" Stormwater Line

Existing 10" Water Line

DPT Soil Sample Location (> 60 µg/kg)

DPT Soil Sample Location (< 60 µg/kg)

(2) - 1,000 (feet bgs) - PCE concentration in µg/kg (unless noted otherwise)

PCE 60 - 100 µg/kg

PCE 100 - 1,000 µg/kg

Estimated contour

ND Not Detected

LEFT TURN LANE

EAST BOUND PASSING LANE

EAST BOUND TRAVEL LANE

WEST BOUND PASSING LANE

NS Not Sampled

Note: Data from 2010 and 2014 investigations. See Figure 2.1 for new sample locations.

2014 DPT Soil Profile Boring to 30 ft bgs th A v e

Restaurant Food Fast

Storm Sewer

Storm Sewer Inlet

Street Light

Shed

Dry Cleaners

Building Treatment

Prestige

AS/SVE

Customer Area

Dry Cleaning Machine

Storage

Boiler Room

Sanitary Sewer Line

Boiler

Dry Cleaning Solvent & Waste Storage (Petroleum Distillate)

Sanitary Sewer Floor Drain

(OHM Grate)

Observed Connection to Sanitary Sewer (75' West of Manhole)

Gas in Alley

OHM-AB01 OHM-AB02 OHM-AB04 OHM-AB05 OHM-AB07

OHM-F01

OHM-E03OHM-E01

OHM-D06

OHM-D07OHM-D01

OHM-C05

OHM-C06

OHM-B04

OHM-A08OHM-A06

OHM-A05

OHM-A04OHM-A03OHM-A02

OHM-A01

OHM-A09

OHM-D03

NSNS

OHM-AB06

OHM-AA06

OHM-A07

OHM-B05 OHM-B06 OHM-B09OHM-B03OHM-B02OHM-B01

OHM-A10

OHM-C07 OHM-C08

OHM-D04 OHM-D05

NS

(15) - ND

NS

NS

NS

NS

NS

NS

OHM-E04

OHM-AB08

OHM-D02

OHM-E02

OHM-C02 OHM-C01OHM-C03OHM-C04

OHM-F02

OHM-G01

OHM-G02OHM-G03

OHM-AA01 OHM-AA02 OHM-AA03 OHM-AA04 OHM-AA05

OHM-AB03

(15) - ND (15) - ND

NS

NS

NS

NS

OHM-B07

OHM-C10OHM-C09

Sewer Line Gas Line

NS

NS

NS

NS

NS

NS

NS

OHM-AA07

NSNS

OHM-AA08

NS

OHM-BB02OHM-BB01 OHM-BB03

NS

NS

NS

NS

NSNSNSNS

NS NS NS NS NS

NSNS

NS

NS

NSNS NS

NS

NDND

NS

NS

NSNS

NS

NSNS

NS

NS

NS NS

NS

NS

ND

OHM-H09OHM-H08OHM-H07OHM-H06OHM-H05OHM-H04OHM-H03OHM-H02OHM-H01OHM-H10OHM-H11

OHM-I01 OHM-I02 OHM-I03 OHM-I04 OHM-I05 OHM-I06 OHM-I07

OHM-J03

(15) - ND

TCLP = ND

OHM-J02 OHM-J01

(15) - 2,084 (15.5) - 2,358

(15) - ND

TCLP = ND

(15) - ND

TCLP = ND

(15) - ND (15) - ND (15) - ND (15) - ND (15) - ND (15) - ND (15) - ND

(15) - ND(15) - ND(15) - ND(15) - ND(15) - ND(15) - ND(15) - ND(15) - ND(15) - ND(15) - ND(14) - ND

SP-02SP-01

U.S. EPA

Region 7

Legend

Filename: Fig3-5_Soil_OHM_Results_PCE_14-16.dwg

Task Order Number: 3370-002

Revised: 9/11/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.5

OHM Source Area Soil PCE Results

(14 to 16 Feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Accelerated Remediation Technology (ART) Integrated

Remediation System well

Sand Vapor Extraction (SVE) well (~20' Deep)

Clay Vapor Extraction (CVE) well (~6' Deep)

Air Sparge (AS) well (~70' Deep)

Monitoring Well (MW) (~20' Deep)

Pilot Combined Injection and Extraction (PCIX) well

Existing 12" Water Line

Existing 8" Sanitary Sewer Line

Existing 24" Stormwater Line

Existing 10" Water Line

DPT Soil Sample Location (> 60 µg/kg)

DPT Soil Sample Location (< 60 µg/kg)

(2) - 1,000 (feet bgs) - PCE concentration in µg/kg (unless noted otherwise)

PCE 60 - 100 µg/kg

PCE 100 - 1,000 µg/kg

Estimated contour

ND Not Detected

LEFT TURN LANE

EAST BOUND PASSING LANE

EAST BOUND TRAVEL LANE

WEST BOUND PASSING LANE

NS Not Sampled

DPT Soil Profile Boring Location th A v e

Restaurant Food Fast

Storm Sewer

Storm Sewer Inlet

Street Light

Shed

Dry Cleaners

Building Treatment

Prestige

AS/SVE

Customer Area

Dry Cleaning Machine

Storage

Boiler Room

Sanitary Sewer Line

Boiler

Dry Cleaning Solvent & Waste Storage (Petroleum Distillate)

Sanitary Sewer Floor Drain

(OHM Grate)

OHM-AA07

Observed Connection to Sanitary Sewer (75' West of Manhole)

Gas in Alley

OHM-AB01

OHM-AB02

OHM-AB04

OHM-AB05 OHM-AB07

OHM-F01

OHM-E03OHM-E01

OHM-D06OHM-D07OHM-D01

OHM-C05

OHM-C06

OHM-B04

OHM-A08

OHM-A06OHM-A05OHM-A04OHM-A03

OHM-A02

OHM-A01OHM-A09

OHM-D03

ND

NDNDND(0.5) - 160

OHM-AB06

OHM-AA06

OHM-A07

OHM-B05

OHM-B06

OHM-B09

OHM-B03

OHM-B02

OHM-B01

OHM-A10

OHM-C07 OHM-C08

OHM-D04

OHM-D05

ND

(0.5) - 1,900

TCLP = ND

ND

(1) - 550

ND

ND

(0.5) - 1,700

(0.5) - 633U

TCLP = ND

(0.5) - 1,000

ND

ND

NDND

ND

ND

ND

ND

ND

(1) - 3,300

ND

(1) - 360

TCLP = ND

(1) - 480

TCLP = ND

(1) - 270

OHM-E04

OHM-AB08

OHM-D02

OHM-E02

OHM-C02 OHM-C01OHM-C03

OHM-C04

OHM-F02

OHM-G01OHM-G02OHM-G03

OHM-AA01

OHM-AA02

OHM-AA03

OHM-AA04

OHM-AA05

OHM-AB03

(1) - 88

ND (0.5) - 170 (0.5) - 290

ND

ND

ND

OHM-B07

OHM-C10OHM-C09

ND

ND

ND

(1) - 574U

TCLP = ND

(1) - 810

ND

ND ND

ND

Sewer Line Gas Line

ND

(1) - 130

ND

ND

ND

ND

(1) - 86 NDNDND

NDND

ND ND

OHM-AA08

ND

OHM-BB02OHM-BB01

OHM-BB03

ND

ND

ND

ND

OHM-H09OHM-H08OHM-H07OHM-H06OHM-H05OHM-H04OHM-H03OHM-H02OHM-H01OHM-H10OHM-H11

OHM-I01

ND

OHM-I02

ND

OHM-I03

ND

OHM-I04 OHM-I05 OHM-I06 OHM-I07

OHM-J03

ND

TCLP = ND

OHM-J02

ND

TCLP = ND

OHM-J01

ND

TCLP = ND

ND ND ND ND

NDNDNDNDNDNDNDNDND

TCLP = ND

NDND

SP-02

SP-01 NS

NS

U.S. EPA

Region 7

Legend

Filename: Fig3-6_Soil_OHM_Results_TCE_0-2.dwg

Task Order Number: 3370-002

Revised: 9/11/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.6

OHM Source Area Soil TCE Results

(0 to 2 Feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Accelerated Remediation Technology (ART) Integrated

Remediation System well

Sand Vapor Extraction (SVE) well (~20' Deep)

Clay Vapor Extraction (CVE) well (~6' Deep)

Air Sparge (AS) well (~70' Deep)

Monitoring Well (MW) (~20' Deep)

Pilot Combined Injection and Extraction (PCIX) well

Existing 12" Water Line

Existing 8" Sanitary Sewer Line

Existing 24" Stormwater Line

Existing 10" Water Line

Sanitary Sewer Connection noted during sewer inspectionSSC

DPT Soil Sample Location (> 60 µg/kg)

DPT Soil Sample Location (< 60 µg/kg)

(2) - 1,000 (feet bgs) - TCE concentration in µg/kg

TCE 60-100 µg/L

TCE 100 - 1,000 µg/L

TCE 1,000 - 10,000 µg/L

Estimated contour

ND Not Detected

Not Sampled NS

LEFT TURN LANE

EAST BOUND PASSING LANE

EAST BOUND TRAVEL LANE

WEST BOUND PASSING LANE

Note: Data from 2010 and 2014 investigations.

See Figure 2.1 for new sample locations.

TCLP Toxicity Characteristic Leaching Procedure Results ug/L

(reporting limit = 5 µg/L) micrograms per kilogramµg/kg micrograms per literµg/L

2014 DPT Soil Profile Boring to 30 ft bgs (Not sampled at this interval)

Not detected above the stated reporting limit U th A v e

Restaurant Food Fast

Storm Sewer

Storm Sewer Inlet

Street Light

Shed

Dry Cleaners

Building Treatment

Prestige

AS/SVE

Customer Area

Dry Cleaning Machine

Storage

Boiler Room

Sanitary Sewer Line

Boiler

Dry Cleaning Solvent & Waste Storage (Petroleum Distillate)

Sanitary Sewer Floor Drain

(OHM Grate)

OHM-AA07

Observed Connection to Sanitary Sewer (75' West of Manhole)

Gas in Alley

OHM-AB01 OHM-AB02 OHM-AB04 OHM-AB05 OHM-AB07

OHM-F01

OHM-E03OHM-E01

OHM-D06OHM-D07OHM-D01

OHM-C05

OHM-C06

OHM-B04

OHM-A08

OHM-A06OHM-A05OHM-A04OHM-A03

OHM-A02

OHM-A01OHM-A09

OHM-D03

ND

NDNDNDND

OHM-AB06

OHM-AA06

OHM-A07

OHM-B05

OHM-B06 OHM-B09

OHM-B03

OHM-B02

OHM-B01

OHM-A10

OHM-C07 OHM-C08

OHM-D04 OHM-D05

ND

ND

(10) - ND

ND

ND

ND

ND

ND

ND

ND

ND

NDND

ND ND ND ND

ND

ND

ND

ND

ND ND

OHM-E04

OHM-AB08

OHM-D02

OHM-E02

OHM-C02 OHM-C01OHM-C03

OHM-C04

OHM-F02

OHM-G01OHM-G02OHM-G03

OHM-AA01

OHM-AA02

OHM-AA03

OHM-AA04 OHM-AA05

OHM-AB03

ND

ND ND ND

ND

ND

ND

OHM-B07

OHM-C10OHM-C09

ND

ND

ND ND

ND

ND

ND ND

ND

Sewer Line Gas Line

ND

ND

ND

ND

ND

ND

ND NDNDND

NDND

ND ND

OHM-AA08

ND

OHM-BB02OHM-BB01

OHM-BB03

ND

ND

ND

ND

OHM-H09OHM-H08OHM-H07OHM-H06OHM-H05OHM-H04OHM-H03OHM-H02

OHM-H01

OHM-H10OHM-H11

OHM-I01

ND

OHM-I02

ND

OHM-I03

(10) - 3,635

OHM-I04 OHM-I05 OHM-I06 OHM-I07

OHM-J03

ND

TCLP = ND

OHM-J02

(10) - 1,413

TCLP = ND

OHM-J01

ND

TCLP = ND

ND ND ND ND

NDNDNDNDNDNDNDND

(10) - 30,172

TCLP = 600

NDND

ND

ND SP-02

SP-01

U.S. EPA

Region 7

Legend

Filename: Fig3-7_Soil_OHM_Results_TCE_7-10.dwg

Task Order Number: 3370-002

Revised: 9/11/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.7

OHM Source Area Soil TCE Results

(7 to 10 Feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Accelerated Remediation Technology (ART) Integrated

Remediation System well

Sand Vapor Extraction (SVE) well (~20' Deep)

Clay Vapor Extraction (CVE) well (~6' Deep)

Air Sparge (AS) well (~70' Deep)

Monitoring Well (MW) (~20' Deep)

Pilot Combined Injection and Extraction (PCIX) well

Existing 12" Water Line

Existing 8" Sanitary Sewer Line

Existing 24" Stormwater Line

Existing 10" Water Line

Sanitary Sewer Connection noted during sewer inspectionSSC

DPT Soil Sample Location (> 60 µg/kg)

DPT Soil Sample Location (< 60 µg/kg)

(2) - 1,000 (feet bgs) - TCE concentration in µg/kg

TCE 60-100 µg/L

TCE 100 - 1,000 µg/L

TCE 1,000 - 10,000 µg/L

Estimated contour

ND Not Detected

Not detected above the stated reporting limit U

LEFT TURN LANE

EAST BOUND PASSING LANE

EAST BOUND TRAVEL LANE

WEST BOUND PASSING LANE

NS Not Sampled

Note: Data from 2010 and 2014 investigations.

See Figure 2.1 for new sample locations.

micrograms per kilogramµg/kg micrograms per literµg/L

TCLP Toxicity Characteristic Leaching Procedure Results ug/L

(reporting limit = 5 µg/L)

2014 DPT Soil Profile Boring to 30 ft bgs th A v e

Restaurant Food Fast

Storm Sewer

Storm Sewer Inlet

Street Light

Shed

Dry Cleaners

Building Treatment

Prestige

AS/SVE

Customer Area

Dry Cleaning Machine

Storage

Boiler Room

Sanitary Sewer Line

Boiler

Dry Cleaning Solvent & Waste Storage (Petroleum Distillate)

Sanitary Sewer Floor Drain

(OHM Grate)

OHM-AA07

Observed Connection to Sanitary Sewer (75' West of Manhole)

Gas in Alley

OHM-AB01 OHM-AB02 OHM-AB04 OHM-AB05 OHM-AB07

OHM-F01

OHM-E03OHM-E01

OHM-D06OHM-D07OHM-D01

OHM-C05

OHM-C06

OHM-B04

OHM-A08

OHM-A06OHM-A05OHM-A04OHM-A03

OHM-A02

OHM-A01OHM-A09

OHM-D03

NS

NSNSNSNS

OHM-AB06

OHM-AA06

OHM-A07

OHM-B05

OHM-B06 OHM-B09

OHM-B03

OHM-B02

OHM-B01

OHM-A10

OHM-C07 OHM-C08

OHM-D04 OHM-D05

NS

NS

ND

NS

NS

NS

NS

NS

NS

NS

NS

NSNS

NS NS NS NS

NS

NS

NS

NS

NS NS

OHM-E04

OHM-AB08

OHM-D02

OHM-E02

OHM-C02 OHM-C01OHM-C03

OHM-C04

OHM-F02

OHM-G01OHM-G02OHM-G03

OHM-AA01

OHM-AA02

OHM-AA03

OHM-AA04 OHM-AA05

OHM-AB03

ND

ND NS NS

NS

NS

NS

OHM-B07

OHM-C10OHM-C09

NS

NS

NS NS

NS

NS

NS NS

NS

Sewer Line Gas Line

NS

NS

NS

NS

NS

NS

NS NSNSNS

NSNS

NS NS

OHM-AA08

NS

OHM-BB02OHM-BB01

OHM-BB03

NS

NS

NS

NS

OHM-H09OHM-H08OHM-H07OHM-H06OHM-H05OHM-H04OHM-H03OHM-H02OHM-H01OHM-H10OHM-H11

OHM-I01

ND

OHM-I02

ND

OHM-I03

ND

OHM-I04 OHM-I05 OHM-I06 OHM-I07

OHM-J03

ND

TCLP = ND

OHM-J02

ND

TCLP = ND

OHM-J01

ND

TCLP = ND

ND ND ND ND

NDNDNDNDNDNDNDNDNDNDND

ND

(15) - 1,192

SP-02

SP-01

U.S. EPA

Region 7

Legend

Filename: Fig3-8_Soil_OHM_Results_TCE_12-15.dwg

Task Order Number: 3370-002

Revised: 9/11/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.8

OHM Source Area Soil TCE Results

(12 to 15 Feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Accelerated Remediation Technology (ART) Integrated

Remediation System well

Sand Vapor Extraction (SVE) well (~20' Deep)

Clay Vapor Extraction (CVE) well (~6' Deep)

Air Sparge (AS) well (~70' Deep)

Monitoring Well (MW) (~20' Deep)

Pilot Combined Injection and Extraction (PCIX) well

Existing 12" Water Line

Existing 8" Sanitary Sewer Line

Existing 24" Stormwater Line

Existing 10" Water Line

Sanitary Sewer Connection noted during sewer inspectionSSC

DPT Soil Sample Location (> 60 µg/kg)

DPT Soil Sample Location (< 60 µg/kg)

(2) - 1,000 (feet bgs) - TCE concentration in µg/kg

TCE 60-100 µg/L

TCE 100 - 1,000 µg/L

TCE 1,000 - 10,000 µg/L

Estimated contour

ND Not Detected

Not detected above the stated reporting limit U

LEFT TURN LANE

EAST BOUND PASSING LANE

EAST BOUND TRAVEL LANE

WEST BOUND PASSING LANE

NS Not Sampled

Note: Data from 2010 and 2014 investigations.

See Figure 2.1 for new sample locations.

TCLP Toxicity Characteristic Leaching Procedure Results ug/L

(reporting limit = 5 µg/L) micrograms per kilogramµg/kg

2014 DPT Soil Profile Boring to 30 ft bgs

JAC-I02

th A v e

MW-5

9th St.

TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL

G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G

E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E

Alley

Top Score Games

Bailer

Office

Bermed Area

RR

City Recycling Center

Drain indicated on site sketches

(Not observed)

10' Spacing

RR

JAC-J06

JAC-L05JAC-L04JAC-L03

JAC-H05

JAC-I05

JAC-H09

TOP-L02*

JAC-M01

JAC-L07

JAC-K01

JAC-J07

JAC-I04

JAC-H06

JAC-H08

JAC-L06

JAC-J08

JAC-H07

JAC-F03

JAC-E07

JAC-B01

JAC-D08

JAC-E10

JAC-A01

JAC-A02 JAC-A03 JAC-A04

JAC-A05

JAC-A06

JAC-E08

RR

JAC-E06

JAC-E05 JAC-E04

JAC-D03

JAC-E03

JAC-D01

TOP-J04TOP-J05

TOP-H04

JAC-J01

JAC-J02 JAC-J03

JAC-I01

JAC-I03

JAC-H03

JAC-H01

JAC-H02

JAC-F02

JAC-G02

JAC-G01

JAC-F01

JAC-E02

(1) - 30,000

(1) - 2,900

(1) - 14,000

ND

(1.5) - 7,000

JAC-G03

JAC-G06

JAC-G05

JAC-G04

(1) - 140

(1) - 1,300

Office

(1) - 2,500

(0) - 24,000

(1) - 15,000

NS

(1) - 530

ND

(1) - 350

(1) - 520

(1) - 650

(1) - 3,000

(2.5) - 830

(1) - 13,000

(1) - 7,900

TOP-L01*

Work Room

Main Room

Storage

Unfinished

RR

Settlement Pit

(2) - 3,900

(1) - 970

(1) - 880

(1) - 6,400

(1.5) - 340

(1) - 1,900

(1) - 7,500

(1) - 290

(1) - 4,500

(1) - 1,500

(1) - 450

(1) - 150

(1) - 1,300

(1) - 680

(1) - 140

(1) - 210

ND

ND

(1) - 79

Abandoned Gas Line

Current Gas Line

Abandoned Water Service Line

JAC-B02

JAC-B03

JAC-A07

JAC-A09

JAC-A10 JAC-A12

JAC-A11

JAC-B08

JAC-B09

JAC-B10

JAC-B11

(1) - 4,500

(1) - 1,600

ND

(1) - 560

(1) - 1,000

(1) - 1,100

(1) - 730

(1) - 1,100

(1) - 600(1) - 3,600

(1) - 600

(1) - 2,200

ND

(1) - 4,300

(1) - 29,000

JAC-N01

JAC-O01

JAC-P04 JAC-P03 JAC-P02 JAC-P01

JAC-G07

JAC-D02JAC-D05

JAC-D06

JAC-B12

NDNDND

(1) - 1,500(1) - 600

ND

(1) - 600

(1) - 55,000

TCLP = 8.8

(1) - 360,000

TCLP = 350

(1) - 12,000

JAC-B04

JAC-B05JAC-B06

JAC-B07

JAC-N04

JAC-N03

JAC-N02

ND

ND

ND

ND

ND

ND

(1) - 320

(1) - 400

(1) - 7,700

(1) - 6,000

(1) - 2,600

(1) - 5,500

(1) - 13,000

(1) - 8,900

(1) - 7,200

(1) - 1,900

(1) - 450

(1) - 300,000

TCLP = 79

(1) - 680

JAC-M02

JAC-AA04

JAC-AA03 JAC-AA02 JAC-AA01

JAC-B13

NDNDND

ND

JAC-D07

JAC-E09

JAC-I06

JAC-M03

(1) - 290

(1) - 1,600

(1) - 6,100

(1) - 770

(1) - 5,000

(1) - 10,000

ND

(1) - 790

ND

ND

ND

ND

JAC-A08

NS

JAC-E01

Former Loading

Dock

Office

(Main Floor)

Boiler Room

(Basement Level -

No Access) Basement Level

(8 ft bgs)

Back Door

Former Dry

Cleaning Machines

JAC-F04

U.S. EPA

Region 7

Legend

Filename: Fig3-9_Soil_Jackson_Results_PCE_0-2.dwg

Task Order Number: 3370-002

Revised: 9/9/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.9

Former Jackson Services Source

Area Soil PCE Results

(0 to 2 feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Monitoring Well (MW)

Existing 6" Sanitary Sewer Line

TEL TEL Existing Telephone Line

G G Existing Natural Gas Line

E E Existing Electrical Line

Floor Drain

Sanitary Sewer Lines within Building

Rest RoomRR

Features indicated inside this area are at basement level (8 ft bgs)

DPT Soil Sample Location (> 60 µg/kg)

Note: Sample depth indicated is from the top of the 0.5' sample interval.

* TOP-L01 and TOP-L02 were only sampled to 6.5 feet and 9 feet respectively due to flowing sand.

(2) - 1,000 (feet bgs) - PCE concentration in µg/kg

DPT Soil Sample Location (< 60 µg/kg)

PCE 60 - 100 µg/kg

PCE 100 - 1,000 µg/kg

PCE 1,000 - 10,000 µg/kg

PCE 10,000 - 100,000 µg/kg

PCE > 100,000 µg/kg

Not DetectedND

Not SampledNS

Residential Soil Risk Level of 550 µg/kg

Industrial Soil Risk Level of 2,600 µg/kg

DPT Boring Location

Estimated contour

Toxicity Characteristic Leachate Procedure (µg/L)TCLP

Note: Data from 2010 and 2014 investigations. See Figure 2.2 for new sample locations.

Former Loading

Dock

Back Door

Former Dry

Cleaning Machines

G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G th A v e

MW-5

9th St.

TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL T

G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G

E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E

Alley

Top Score Games

Bailer

Office

Bermed Area

RR

City Recycling Center

Drain indicated on site sketches

(Not observed)

10' Spacing

RR

JAC-J06

JAC-L05JAC-L04

JAC-L03

JAC-H05

JAC-I05

JAC-H09

TOP-L02*

JAC-M01

JAC-L07

JAC-K01

JAC-J07

JAC-I04

JAC-H06JAC-H08

JAC-L06

JAC-J08

JAC-H07

JAC-F03

JAC-E07

JAC-B01

JAC-D08

JAC-E10

JAC-A01 JAC-A02

JAC-A03

JAC-A04 JAC-A05

JAC-A06

JAC-E08

RR

JAC-E06

JAC-F04

JAC-E05

JAC-E04

JAC-D03

JAC-E03

JAC-D01

TOP-J04TOP-J05

TOP-H04

JAC-J01

JAC-J02

JAC-J03

JAC-I02

JAC-I01

JAC-I03

JAC-H03

JAC-H01

JAC-H02

JAC-F02

JAC-G02

JAC-G01

JAC-F01

JAC-E02

(4) - 2,100

(6) - 250

(6) - 160

NS

(4.5) - 150

JAC-G03

JAC-G06

JAC-G05

JAC-G04

ND

ND

Office

(4.5) - 260

(4) - 510

(5) - 86

(6) - 370

(5) - 95

(5) - 200

(5) - 130

(6) - 180

(5) - 160

(5) - 260

(5) - 2,000

NS

(6) - 200

ND

TOP-L01*

Work Room

Main Room

Storage

Unfinished

RR

Settlement Pit

(5.5) - 190

ND

ND

(6) - 260,000

(6) - 92

ND

ND

ND

(5) - 530

ND

ND

ND

ND

ND

ND

ND

ND

ND

(6) - 65

Abandoned Gas Line

Current Gas Line

Abandoned Water Service Line

JAC-B02JAC-B03

JAC-A07

JAC-A09 JAC-A10 JAC-A12JAC-A11

JAC-B08

JAC-B09

JAC-B10

JAC-B11

(6) - 420

(6) - 190

ND ND

ND

ND (6) - 110

ND ND

(5) - 71

(5) - 180

ND ND ND

(4.5) - 240

JAC-E01

JAC-N01

JAC-O01

JAC-P04 JAC-P03 JAC-P02 JAC-P01

JAC-G07

JAC-D02

JAC-D05

JAC-D06

JAC-D04

JAC-B12

NDNDND

NDND ND

(5) - 340(4) - 660(5) - 2,600

(5) - 1,000

JAC-B04JAC-B05JAC-B06

JAC-B07

JAC-N04JAC-N03JAC-N02

ND

ND

ND

ND

ND

ND

ND

(5) - 100

(4) - 440

(5) - 66

(4) - 970

(5) - 430

ND

ND

(4.5) - 550

ND

(5.5) - 71

ND

(5) - 650

ND

JAC-M02

JAC-AA04 JAC-AA03 JAC-AA02 JAC-AA01

JAC-B13

NDNDNDND

JAC-D07

JAC-E09

JAC-I06

JAC-M03

(5) - 730

(5) - 380

ND

ND

(5) - 130

ND

ND

(4) - 360

ND

ND

ND ND

JAC-A08

Office

(Main Floor)

Boiler Room

(Basement Level -

No Access)

Basement Level

(8 ft bgs)

U.S. EPA

Region 7

Legend

Filename: Fig3-10_Soil_Jackson_Results_PCE_4-6.dwg

Task Order Number: 3370-002

Revised: 9/10/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.10

Former Jackson Services Source

Area Soil PCE Results

(4 to 6 feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Monitoring Well (MW)

Existing 6" Sanitary Sewer Line

TEL TEL Existing Telephone Line

G G Existing Natural Gas Line

E E Existing Electrical Line

Floor Drain

Sanitary Sewer Lines within Building

Rest RoomRR

Features indicated inside this area are at basement level (8 ft bgs)

DPT Soil Sample Location (> 60 µg/kg)

Note: Sample depth indicated is from the top of the 0.5' sample interval.

* TOP-L01 and TOP-L02 were only sampled to 6.5 feet and 9 feet respectively due to flowing sand.

Note: Data from 2010 and 2014 investigations. See

Figure 2.2 for new sample locations.

(2) - 1,000 (feet bgs) - PCE concentration in µg/kg

DPT Soil Sample Location (< 60 µg/kg)

PCE 60 - 100 µg/kg

PCE 100 - 1,000 µg/kg

PCE 1,000 - 10,000 µg/kg

PCE 10,000 - 100,000 µg/kg

PCE > 100,000 µg/kg

ND Not Detected

DPT Boring Location

NS Not Sampled

Office

(Main Floor)

G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G

Boiler Room

(Basement Level -

No Access) th A v e

MW-5

9th St.

TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL

G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G

E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E

Alley

Top Score Games

Bailer

Office

Bermed Area

RR

City Recycling Center

Drain indicated on site sketches

(Not observed)

10' Spacing

RR

JAC-J06

JAC-L05JAC-L04JAC-L03

JAC-H05

JAC-I05

JAC-H09

TOP-L02*

JAC-M01

JAC-L07

JAC-K01

JAC-J07

JAC-I04

JAC-H06JAC-H08

JAC-L06

JAC-J08

JAC-H07

JAC-F03

JAC-E07

JAC-B01

JAC-D08

JAC-E10

JAC-A01 JAC-A02 JAC-A03 JAC-A04 JAC-A05 JAC-A06

JAC-E08

RR

JAC-E06

JAC-F04

JAC-E05

JAC-E04

JAC-D03

JAC-E03

JAC-D01

TOP-J04

TOP-J05

TOP-H04

JAC-J01

JAC-J02

JAC-J03

JAC-I02

JAC-I01

JAC-I03

JAC-H03

JAC-H01

JAC-H02

JAC-BL02JAC-BL03

JAC-BL01

JAC-F02

JAC-G02

JAC-G01

JAC-F01

JAC-E02

JAC-BL04

JAC-BL05

(8) - 160

(8) - 94

ND

(7) - 190

(7) - 120

JAC-G03

JAC-G06

JAC-G05 JAC-G04

ND

ND

Office

ND

(8) - 260

(7) - 200

(9) - 200

(7) - 69

ND

ND

ND

(7) - 100

(7) - 160

(7) - 290

(7) - 70

(8) - 150

(7) - 78

TOP-L01*

Work Room

Main Room

Storage

Unfinished

RR

Settlement Pit

(7) - 97

(9) - 130

ND

ND

(7) - 18,000

(9) - 310

(10) - 110

ND

ND

ND

ND

ND

ND

ND

NDND

ND

ND

ND

ND

ND

Abandoned Gas Line

Current Gas Line

Abandoned Water Service Line

JAC-B02JAC-B03

JAC-A07 JAC-A09 JAC-A10 JAC-A12JAC-A11

JAC-B08JAC-B09JAC-B10

JAC-B11

ND

ND

ND ND NDND ND ND

(7) - 110

JAC-E01

JAC-N01

JAC-O01

JAC-P04 JAC-P03 JAC-P02 JAC-P01

JAC-G07

JAC-D02

JAC-D05

JAC-D06

JAC-B12

NDNDND

NDND ND

(7) - 95

ND

(7) - 560(7) - 420

JAC-B04

JAC-B05

JAC-B06JAC-B07

JAC-N04JAC-N03JAC-N02

ND

ND

ND

ND

ND

ND

ND

(7) - 100

ND

ND(7) - 80

NDNDND

(10) - 100

ND

(8.5) - 95

(8.5) - 830 ND

ND

ND

ND

(7) - 190

(8.5) - 68

ND

JAC-M02

JAC-AA04 JAC-AA03 JAC-AA02 JAC-AA01

JAC-B13

NDNDNDND

JAC-D07

JAC-E09

JAC-I06

JAC-M03

ND

(7) - 130

ND

(7) - 170

ND

ND

ND

ND

ND

ND

ND ND

JAC-A08

ND ND ND ND ND ND

Basement Level

(8 ft bgs)

Back Door

Former Dry

Cleaning Machines

U.S. EPA

Region 7

Legend

Filename: Fig3-11_Soil_Jackson_Results_PCE_7-10.dwg

Task Order Number: 3370-002

Revised: 9/10/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.11

Former Jackson Services Source

Area Soil PCE Results

(7 to 10 feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Monitoring Well (MW)

Existing 6" Sanitary Sewer Line

TEL TEL Existing Telephone Line

G G Existing Natural Gas Line

E E Existing Electrical Line

Floor Drain

Sanitary Sewer Lines within Building

Rest RoomRR

Features indicated inside this area are at basement level

DPT Soil Sample Location (> 60 µg/kg)

Note: Sample depth indicated is from the top of the 0.5' sample interval.

* TOP-L01 and TOP-L02 were only sampled to 6.5 feet and 9 feet respectively due to flowing sand.

(2) - 1,000 (feet bgs) - PCE concentration in µg/kg

DPT Soil Sample Location (< 60 µg/kg)

PCE 60 - 100 µg/kg

PCE 100 - 1,000 µg/kg

PCE 1,000 - 10,000 µg/kg

PCE 10,000 - 100,000 µg/kg

ND Not Detected

Note: Data from 2010 and 2014 investigations. See Figure 2.2 for new sample locations.

MW-5

9th St.

TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL

G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G

E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E

Alley

Top Score Games

Bailer

Office

Bermed Area

RR

City Recycling Center

Drain indicated on site sketches

(Not observed)

10' Spacing

RR

JAC-J06

JAC-L05JAC-L04JAC-L03

JAC-H05

JAC-I05

JAC-H09

TOP-L02*

JAC-M01

JAC-L07

JAC-K01

JAC-J07

JAC-I04

JAC-H06JAC-H08

JAC-L06

JAC-J08

JAC-H07

JAC-F03

JAC-E07

JAC-B01

JAC-D08

JAC-E10

JAC-A01 JAC-A02 JAC-A03 JAC-A04 JAC-A05 JAC-A06

JAC-E08

RR

JAC-E06

JAC-F04

JAC-E05 JAC-E04

JAC-D03

JAC-E03

JAC-D01

TOP-J04TOP-J05

TOP-H04

JAC-J01

JAC-J02 JAC-J03

JAC-I02 JAC-I01 JAC-I03

JAC-H03

JAC-H01

JAC-H02

JAC-BL02

JAC-BL03

JAC-BL01

JAC-F02

JAC-G02

JAC-G01

JAC-F01

JAC-E02

JAC-BL04

JAC-BL05

ND

ND

ND(11) - 940

ND

JAC-G03

JAC-G06 JAC-G05 JAC-G04

ND

ND

Office

ND

ND

ND

(13) - 6,900

ND

ND

ND

ND

ND

ND

(11) - 3,900

(11) - 1,100

ND

ND

TOP-L01*

Work Room

Main Room

Storage

Unfinished

RR

Settlement Pit

(11) - 460

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

NDND

ND

ND

ND

ND

(11.5) - 1,500

Abandoned Gas Line

Current Gas Line

Abandoned Water Service Line

JAC-B02JAC-B03

JAC-A07 JAC-A09 JAC-A10 JAC-A12JAC-A11

JAC-B08

JAC-B09JAC-B10JAC-B11

ND

ND

ND ND

ND

JAC-E01

JAC-N01

JAC-O01

JAC-P04 JAC-P03 JAC-P02 JAC-P01

JAC-G07

JAC-D02JAC-D05JAC-D06

JAC-B12

NDNDND

NDND ND

(12) - 450

NDND

(12) - 180

JAC-B04

JAC-B05JAC-B06

JAC-B07

JAC-N04JAC-N03JAC-N02

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

NDNDNDND

ND

ND

ND

ND

ND

ND

ND

ND

JAC-M02

JAC-AA04 JAC-AA03 JAC-AA02 JAC-AA01

JAC-B13

NDNDNDND

JAC-D07

JAC-E09

JAC-I06

JAC-M03

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND ND

JAC-A08

ND ND NDNDNDNDNDNDNDND

Former Loading

Dock

Back Door

Former Dry

Cleaning Machines

Office

(Main Floor)

Boiler Room

(Basement Level -

No Access)

Basement Level

(8 ft bgs)

U.S. EPA

Region 7

Legend

Filename: Fig3-12_Soil_Jackson_Results_PCE_11-13.dwg

Task Order Number: 3370-002

Revised: 9/10/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.12

Former Jackson Services Source

Area Soil PCE Results

(11 to 13 feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Monitoring Well (MW)

Existing 6" Sanitary Sewer Line

TEL TEL Existing Telephone Line

G G Existing Natural Gas Line

E E Existing Electrical Line

Floor Drain

Sanitary Sewer Lines within Building

Rest RoomRR

Features indicated inside this area are at basement level ( 8 ft bgs)

DPT Soil Sample Location (> 60 µg/kg)

Note: Sample depth indicated is from the top of the 0.5' sample interval.

* TOP-L01 and TOP-L02 were only sampled to 6.5 feet and 9 feet respectively due to flowing sand.

(2) - 1,000 (feet bgs) - PCE concentration in µg/kg

DPT Soil Sample Location (< 60 µg/kg)

PCE 60 - 100 µg/kg

PCE 100 - 1,000 µg/kg

PCE 1,000 - 10,000 µg/kg

ND Not Detected

Note: Data from 2010 and 2014 investigations. See Figure 2.2 for new sample locations.

Office

(No Access)

G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G

Boiler Room

(basement level) th A v e

MW-5

9th St.

TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL

G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G

E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E

Alley

Top Score Games

Bailer

Office

Bermed Area

RR

City Recycling Center

Drain indicated on site sketches

(Not observed)

10' Spacing

RR

JAC-J06

JAC-L05JAC-L04JAC-L03

JAC-H05

JAC-I05

JAC-H09

TOP-L02*

JAC-M01

JAC-L07

JAC-K01

JAC-J07

JAC-I04

JAC-H06JAC-H08

JAC-L06

JAC-J08

JAC-H07

JAC-F03

JAC-E07

JAC-B01

JAC-D08

JAC-E10

JAC-A01 JAC-A02 JAC-A03 JAC-A04 JAC-A05 JAC-A06

JAC-E08

RR

JAC-E06

JAC-F04

JAC-E05 JAC-E04

JAC-D03

JAC-E03

JAC-D01

TOP-J04TOP-J05

TOP-H04

JAC-J01

JAC-J02 JAC-J03

JAC-I02

JAC-I01

JAC-I03

JAC-H03

JAC-H01

JAC-H02

JAC-BL02

JAC-BL03

JAC-BL01

JAC-F02

JAC-G02

JAC-G01

JAC-F01

JAC-E02

JAC-BL04

JAC-BL05

(15) - 330

(14) - 160

ND

ND

ND

JAC-G03JAC-G06

JAC-G05

JAC-G04

ND

ND

Office

(16) - 160B

(16) - 1,500

(16) - 1,000

ND

ND

(16) - 86B

ND

ND

ND(15) - 270

(15.5) - 290

(15) - 110

(14) - 170

ND

TOP-L01*

Work Room Main Room

Storage

Unfinished

RR

Settlement Pit

(15) - 380

ND

ND

(14) - 160

(16) - 52.5

ND

ND

ND

ND

ND

ND

ND

ND

NDND

ND

ND

ND

ND

(15.5) - 130

Abandoned Gas Line

Current Gas Line

Abandoned Water Service Line

JAC-B02JAC-B03

JAC-A07 JAC-A09 JAC-A10 JAC-A12JAC-A11

JAC-B08JAC-B09JAC-B10JAC-B11

ND

ND

ND ND ND ND ND ND NDND ND ND ND ND

(14.5) - 88

JAC-E01

JAC-N01

JAC-O01

JAC-P04 JAC-P03 JAC-P02 JAC-P01

JAC-G07

JAC-D02JAC-D05JAC-D06

JAC-D04

JAC-B12

NDNDND

NDND NDND

ND

(14) - 9,600

(16) - ND

ND

JAC-B04JAC-B05

JAC-B06

JAC-B07

JAC-N04JAC-N03JAC-N02

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

NDNDNDNDND

ND

ND

ND

ND

ND

ND

ND

ND

JAC-M02

JAC-AA04 JAC-AA03 JAC-AA02 JAC-AA01

JAC-B13

NDNDNDND

JAC-D07

JAC-E09

JAC-I06

JAC-M03

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND ND

JAC-A08

Basement Level

(8 ft bgs)

U.S. EPA

Region 7

Legend

Filename: Fig3-13_Soil_Jackson_Results_PCE_14-16.dwg

Task Order Number: 3370-002

Revised: 9/10/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.13

Former Jackson Services Source

Area Soil PCE Results

(14 to 16 feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Monitoring Well (MW)

Existing 6" Sanitary Sewer Line

TEL TEL Existing Telephone Line

G G Existing Natural Gas Line

E E Existing Electrical Line

Floor Drain

Sanitary Sewer Lines within Building

Rest RoomRR

Features indicated inside this area are at basement level (8 ft bgs)

DPT Soil Sample Location (> 60 µg/kg)

Note:

Sample depth indicated is from the top of the 0.5' sample interval.

* TOP-L01 and TOP-L02 were only sampled to 6.5 feet and 9 feet respectively due to flowing sand.

(2) - 1,000 (feet bgs) - PCE concentration in µg/kg

DPT Soil Sample Location (< 60 µg/kg)

PCE 60 - 100 µg/kg

PCE 100 - 1,000 µg/kg

PCE 1,000 - 10,000 µg/kg

Not DetectedND

B Analyte was found in associated method blank as well as sample

MW-5

9th St.

TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL

G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G

E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E

Alley

Top Score Games

Bailer

Office

Bermed Area

RR

City Recycling Center

Drain indicated on site sketches

(Not observed)

10' Spacing

RR

JAC-J06

JAC-L05JAC-L04JAC-L03

JAC-H05

JAC-I05

JAC-H09

TOP-L02*

JAC-M01

JAC-L07

JAC-K01

JAC-J07

JAC-I04

JAC-H06JAC-H08

JAC-L06

JAC-J08

JAC-H07

JAC-F03

JAC-E07

JAC-B01

JAC-D08

JAC-E10

JAC-A01 JAC-A02 JAC-A03 JAC-A04 JAC-A05 JAC-A06

JAC-E08

RR

JAC-E06

JAC-F04

JAC-E05 JAC-E04

JAC-D03

JAC-E03

JAC-D01

TOP-J04TOP-J05

TOP-H04

JAC-J01 JAC-J02 JAC-J03

JAC-I02 JAC-I01 JAC-I03

JAC-H03 JAC-H01

JAC-H02

JAC-BL02

JAC-BL03

JAC-BL01

JAC-F02

JAC-G02

JAC-G01

JAC-F01

JAC-E02

JAC-BL04

JAC-BL05

NS

NS

NSNS

NS

JAC-G03JAC-G06 JAC-G05 JAC-G04

NS

NS

Office

NS

NS

NS NS

NS

NS

NS

NS

NS

NS

NS

NS

NS

NS

TOP-L01*

Work Room

Main Room

Storage

Unfinished

RR

Settlement Pit

NS

NS

NS

(19) - ND

NS

NS

NS

NS

NS

NS

NS

NS

NSNS

NS

NS

NS

NS

NS

Abandoned Gas Line

Current Gas Line

Abandoned Water Service Line

JAC-B02JAC-B03

JAC-A07 JAC-A09 JAC-A10 JAC-A12JAC-A11

JAC-B08

JAC-B09JAC-B10JAC-B11

NS

NS

NS NS

NS

JAC-E01

JAC-N01

JAC-O01

JAC-P04 JAC-P03 JAC-P02 JAC-P01

JAC-G07

JAC-D02JAC-D05JAC-D06

JAC-B12

NSNSNS

NSNS NS

NS

NS(19) - ND

NS

JAC-B04

JAC-B05JAC-B06

JAC-B07

JAC-N04JAC-N03JAC-N02

NS

NS

NS

NS

NS

NS

NS

NS

NS

NS

NS

NS

NSNSNSNS

NS

NS

NS

NS

NS

NS

NS

NS

JAC-M02

JAC-AA04 JAC-AA03 JAC-AA02 JAC-AA01

JAC-B13

NSNSNSNS

JAC-D07

JAC-E09

JAC-I06

JAC-M03

NS

NS

NS

NS

NS

NS

NS

NS

NS

NS

NS NS

JAC-A08

NS NS NSNSNSNSNSNSNSNS

Former Loading

Dock

Back Door

Former Dry

Cleaning Machines

Office

(Main Floor)

Boiler Room

(Basement Level -

No Access)

Basement Level

(8 ft bgs)

U.S. EPA

Region 7

Legend

Filename: Fig3-14_Soil_Jackson_Results_PCE_17-19.dwg

Task Order Number: 3370-002

Revised: 9/10/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.14

Former Jackson Services Source

Area Soil PCE Results

(17 to 19 feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Monitoring Well (MW)

Existing 6" Sanitary Sewer Line

TEL TEL Existing Telephone Line

G G Existing Natural Gas Line

E E Existing Electrical Line

Floor Drain

Sanitary Sewer Lines within Building

Rest RoomRR

Features indicated inside this area are at basement level ( 8 ft bgs)

DPT Soil Sample Location (> 60 µg/kg)

Note:

Sample depth indicated is from the top of the 0.5' sample interval.

* TOP-L01 and TOP-L02 were only sampled to 6.5 feet and 9 feet respectively due to flowing sand.

(2) - 1,000 (feet bgs) - PCE concentration in µg/kg

DPT Soil Sample Location (< 60 µg/kg)

PCE 60 - 100 µg/kg

PCE 100 - 1,000 µg/kg

PCE 1,000 - 10,000 µg/kg

ND Not Detected

DPT Soil Boring Location (not sampled at this interval)

G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G th A v e

MW-5

9th St.

TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL TEL

G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G

E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E

Alley

Top Score Games

Bailer

Office

Bermed Area

RR

City Recycling Center

Drain indicated on site sketches

(Not observed)

10' Spacing

RR

JAC-J06

JAC-L05JAC-L04JAC-L03

JAC-H05

JAC-I05

JAC-H09

TOP-L02*

JAC-M01

JAC-L07

JAC-K01

JAC-J07

JAC-I04

JAC-H06JAC-H08

JAC-L06

JAC-J08

JAC-H07

JAC-F03

JAC-E07

JAC-B01

JAC-D08

JAC-E10

JAC-A01 JAC-A02 JAC-A03 JAC-A04 JAC-A05 JAC-A06

JAC-E08

RR

JAC-E06

JAC-F04

JAC-E05

JAC-E04

JAC-D03

JAC-E03

JAC-D01

TOP-J04

TOP-J05

TOP-H04

JAC-J01

JAC-J02

JAC-J03

JAC-I02

JAC-I01 JAC-I03

JAC-H03

JAC-H01

JAC-H02

JAC-BL02

JAC-BL03

JAC-BL01

JAC-F02

JAC-G02

JAC-G01

JAC-F01

JAC-E02

JAC-BL04 JAC-BL05

(1) - 190

ND

(1.5) - 140ND

(1) - 93

JAC-G03

JAC-G06

JAC-G05

JAC-G04

ND

Office

(1) - 84

(0) - 270

(1) - 130

NS

ND

ND

(1) - 66

(1) - 90B

ND

(1) - 130

ND

TOP-L01*

Work Room

Main Room

Storage

Unfinished

RR

Settlement Pit

(2) - 81

ND

(1) - 76

ND

(1) - 100

ND

NDND

ND

ND

ND

ND

ND

Abandoned Gas Line

Current Gas Line

Abandoned Water Service Line

JAC-B02JAC-B03

JAC-A07 JAC-A09 JAC-A10 JAC-A12

JAC-A11

JAC-B08JAC-B09JAC-B10

JAC-B11

ND

ND

ND ND ND ND

ND

ND

(1) - 98

ND

ND ND ND ND

(1) - 1,300

JAC-E01

JAC-N01

JAC-O01

JAC-P04 JAC-P03 JAC-P02 JAC-P01

JAC-G07

JAC-D02JAC-D05

JAC-D06

JAC-D04

JAC-B12

NDNDND

NDND NDND

(1) - 1,900

TCLP = ND

(1) - 14,000

TCLP = ND

(1) - 1,400

JAC-B04

JAC-B05

JAC-B06

JAC-B07

JAC-N04JAC-N03JAC-N02

ND

ND

ND

ND

ND

ND

ND

ND

(1) - 200

(1) - 620

NS

(1) - 110

(1) - 1,300(1) - 4,700(1) - 2,100

(1) - 1,100

ND

ND

(1) - 10,000

TCLP = ND

JAC-M02

JAC-AA04 JAC-AA03 JAC-AA02 JAC-AA01

JAC-B13

NDNDNDND

JAC-D07

JAC-E09

JAC-I06

JAC-M03

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND ND

JAC-A08

ND ND

NDND

ND

ND

ND

ND

ND

ND

ND

ND

Office

(Main Floor)

Boiler Room

(Basement Level -

No Access) Basement Level

(8 ft bgs)

Back Door

Former Dry

Cleaning Machines

U.S. EPA

Region 7

Legend

Filename: Fig3-15_Soil_Jackson_Results_TCE_0-2.dwg

Task Order Number: 3370-002

Revised: 9/2/14 KBR

SCALE IN FEET

20 400 10

N

Figure 3.15

Former Jackson Services Source

Area Soil TCE Results

(0 to 2 feet)

Source Area Soil and Groundwater Data Summary Report

10th Street Superfund Site, Columbus, Nebraska

Monitoring Well (MW)

Existing 6" Sanitary Sewer Line

TEL TEL Existing Telephone Line

G G Existing Natural Gas Line

E E Existing Electrical Line

Floor Drain

Sanitary Sewer Lines within Building

Rest RoomRR

Features indicated inside this area are at basement level

DPT Soil Sample Location (> 60 µg/kg)

Note:

Sample depth indicated is from the top of the 0.5' sample interval.

* TOP-L01 and TOP-L02 were only sampled to 6.5 feet and 9 feet respectively due to flowing sand.

(2) - 1,000 (feet bgs) - TCE concentration in µg/kg

DPT Soil Sample Location (< 60 µg/kg)

TCE (trichloroethene) 60-100 µg/L

TCE 100 - 1,000 µg/L

TCE 1,000 - 10,000 µg/L

TCE >10,000 µg/L

DPT Soil Sample Location (not sampled at this interval)

ND Not Detected

Estimated contour

NS Not Sampled

B…

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