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ARMY INSTALLATION ID: KS721382087800

SUNFLOWER ARMY AMMUNITION PLANT

eudora, Kansas

Cost So Far

$120M

Money already spent on the evaluation and cleanup of hazardous sites.

Expected Additional Cost

$35.5M

The estimated amount of money needed for evaluation and cleanup of hazardous sites at this installation.

Expected Completion Date

2045

The date by which the DOD estimates cleanup of all sites will be complete. Long term monitoring may continue after this date.

97 Hazardous Sites

Note: We are not showing a map of this installation's hazardous sites because we don't have location data for any of them. If you have more information, please contact us. The risk level of a site refers to a relative risk assessment made by the DOD to prioritize the cleanup of sites.

83 Active Sites

Sites where military cleanup actions are still ongoing. The risk level of a site refers to a relative risk assessment made by the DOD, which prioritizes the cleanup of sites that pose greatest threat to safety, human health, and the environment.

Site ID: SAAP-025

NITROCELLULOSE AREA DITCHES

Drainage Ditch

Cost

$259K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Sediment (Fresh): High Risk

Sediment can migrate from ditches to surface water bodies. Ecological receptors can come i contact with contaminated sediment.

Contaminants: Mercury 0.39 mg/kg Arsenic 14.6 mg/kg Chromium 23.3 mg/kg Copper 29.1 mg/kg Lead 67.9 mg/kg

Sediment (Human): Medium Risk

Sediment can migrate to surface water bodies. The potential exists for people to come in contact with stream sediments in Captain or Kill Creeks.

Contaminants: Arsenic 14.6 mg/kg Chromium 23.3 mg/kg Copper and compounds 29.1 mg/kg Lead 67.9 mg/kg

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Site ID: SAAP-021

CONTAMINATED MATERIALS BURN GROUND

Burn Area

Cost

$11.2M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

This site is under ongoing monitoring until Nov 2048

Contaminated Areas

Groundwater: High Risk

SWMU 21 is set on the banks of Captains Creek. Groundwater discharge from the site will recharge directly to the creek. Captains Creek is designated by the State as a residential drinking water source and for contact recreation

Contaminants: Antimony and compounds 9.9 ug/L Arsenic 12.0 ug/L Nickel (Soluble Salts) 120.0 ug/L Barium 430.0 ug/L Manganese and compounds 1400.0 ug/L

Sediment (Fresh): High Risk

SWMU 21 is on the banks of captains Creek Sediment eroded from the site will be available to aquatic communities.

Contaminants: Arsenic 2.0 mg/kg Cadmium 2.6 mg/kg Copper 6.1 mg/kg Chromium 7.5 mg/kg Lead 9.4 mg/kg Nickel 12.0 mg/kg Zinc 32.0 mg/kg

Sediment (Human): High Risk

SWMU 21 sits on the banks of captains Creek. Run will cary sediment into the creek. Captains Creek is designated by the state as a domiestic drinking water source and for contact recreation. RFI of the Contaminated Materials Burning Ground was submitted on 12 May 1997.

Contaminants: Arsenic 2.0 mg/kg Cadmium and compounds 2.6 mg/kg Copper and compounds 6.1 mg/kg Chromium 7.5 mg/kg Lead 9.4 mg/kg Nickel (Soluble Salts) 12.0 mg/kg Zinc 32.0 mg/kg

Soil: Low Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK. site employees will be expose during maintainace and other opperations. Construction workers and farm/ workers have likelyhood of exposure in the future.

Contaminants: Divinylene Oxide 0.0001 mg/kg TCDD 0.0003 mg/kg Antimony and compounds 29.0 mg/kg Arsenic 30.200001 mg/kg Manganese and compounds 1700.0 mg/kg Lead 20000.0 mg/kg

Surface Water (Human): Low Risk

Surface water flows directly into Captains Creek. Captains Creek is designated by the state for residential water supply and for contact recreation.

Contaminants: Barium 0.11 ug/L

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Site ID: SAAP-053

BURN AND DEBRIS AREA NORTH OF STP

Burn Area

Cost

$88K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Groundwater: High Risk

There is no evidence that site contaminants are migrating. There are no barriers in place which would prevent the downward migration of contaminants. There is observable evidence that cattle inhabit the area at various times.

Contaminants: Lead 8.0 ug/L Arsenic 11.0 ug/L

Soil: High Risk

There is evidence that site contaminants are migrating. The stream is eroding into the landfill resulting in landfill content falling into the stream. There is observable evidence that cattle inhabit the area at various times.

Contaminants: Arsenic 9.0 mg/kg Lead 1100.0 mg/kg

Sediment (Human): Medium Risk

There is no evidence that site contaminants are migrating. There are no barriers in place to prevent migration. There is observable evidence that cattle inhabit the area at various times.

Contaminants: Arsenic 15.0 mg/kg Lead 35.0 mg/kg

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Site ID: SAAP-050

DISPOSAL SITE EAST OF SAAP-001

Surface Disposal Area

Cost

$425K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: High Risk

Soil and debris from the site is actively eroding into Kill Creek. Kill Creek is designated by the state for domestic water supply and Contact Recreation. Property containing SWMU 50 planned for lease to County Park.

Contaminants: Arsenic 30.0 mg/kg Manganese and compounds 1400.0 mg/kg Copper and compounds 3800.0 mg/kg Lead 22000.0 mg/kg

Groundwater: Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: Acetone 41.0 ug/L Barium 130.0 ug/L Methylene Chloride 130.0 ug/L Manganese and compounds 320.0 ug/L Aluminum 810.0 ug/L

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Site ID: SAAP-010

F-LINE AREA DITCHES

Drainage Ditch

Cost

Unknown

Final Cleanup Action

Aug 2017

Contaminated Areas

Sediment (Fresh): High Risk

Sediment migrates from ponds to Kill Creek during floods. Kill Creek is designated by the state for protection of aquatic habitat. federal and state listed species may occure.

Contaminants: Cadmium 1.1 mg/kg Arsenic 4.3 mg/kg Copper 17.0 mg/kg Nickel 20.0 mg/kg Lead 400.0 mg/kg Manganese 840.0 mg/kg Iron 18000.0 mg/kg

Sediment (Human): High Risk

Sediment migrates from ponds to Kill Creek during spring floods. Sediment in kill creek can impact recreational uses and drinking water. Construction and farm/ranch workers may be exposed to sediment.

Contaminants: Arsenic 4.3 mg/kg Silver and compounds 56.0 mg/kg Lead 400.0 mg/kg Manganese and compounds 840.0 mg/kg Aluminum 13000.0 mg/kg Iron 18000.0 mg/kg

Soil: High Risk

Soil transported to kill creek b erosion Kill creek is used for fishing and contact recreation. Future industrial and construction workers may be exposed to ssoil during construction.

Contaminants: Pyrene 0.28 mg/kg Antimony and compounds 4.4 mg/kg Arsenic 7.6 mg/kg Manganese and compounds 1300.0 mg/kg 1,2-Benzenedicarboxylic Acid, Bis(2-Ethylhexyl)Ester 4700.0 mg/kg Butyl Benzyl Phthalate 4700.0 mg/kg Lead 5800.0 mg/kg

Surface Water (Fresh): High Risk

Ponds overflow during floods and migrate to Kill Creek. Kill Creek is protected by the State for aquatic life support.

Contaminants: Lead 15.0 ug/L Iron 9500.0 ug/L

Surface Water (Human): High Risk

Ponds overflow into KillCreek during spring floods. Kill creek is designated by the state for domestic water suply and contact recreation.

Contaminants: Lead 15.0 ug/L Manganese and compounds 180.0 ug/L Ammonia 4200.0 ug/L Iron 9500.0 ug/L

Groundwater: Medium Risk

Groundwater recharges surface water. Groundwater can recharge Kill Creek, desiganated by the state for domestic consumption and contact recreation.

Contaminants: Cadmium and compounds 6.0 ug/L Selenium 6.0 ug/L Cobalt 11.0 ug/L Acetone 29.0 ug/L Nickel (Soluble Salts) 33.0 ug/L Zinc 60.0 ug/L Methylene Chloride 110.0 ug/L Manganese and compounds 160.0 ug/L Barium 220.0 ug/L Fluoride 400.0 ug/L Iron 820.0 ug/L Nitrate 7900.0 ug/L Ammonia 11000.0 ug/L

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Site ID: SAAP-014

ROCKET STATIC TEST AREA

Surface Disposal Area

Cost

Unknown

Final Cleanup Action

Dec 2022

Contaminated Areas

Groundwater: High Risk

Groundwater discharges directly to Spoon Creek, a State designated for benficial use for domestic water supply and contact recreation. Same as MPF

Contaminants: Antimony and compounds 2.3 ug/L Silver and compounds 16.0 ug/L Zinc 17.0 ug/L Lead 56.0 ug/L Barium 140.0 ug/L Manganese and compounds 360.0 ug/L Iron 510.0 ug/L

Sediment (Fresh): High Risk

Spoon Creek cuts through the SWMU. spoon creed is considered sensitive habitat by state of Kansas See mfp rational

Contaminants: Cadmium 3.7 mg/kg Copper 9.5 mg/kg Arsenic 19.0 mg/kg Chromium 19.0 mg/kg Lead 30.0 mg/kg Zinc 42.0 mg/kg Nickel 48.0 mg/kg Manganese 2600.0 mg/kg

Sediment (Human): High Risk

RAIN RUNOFF DISCHARGES INTO SPOON CREEK. Workers are present on-site including mainanance and construction workers, and farm /ranch workers on grazing leases.

Contaminants: Beryllium and compounds 1.0 mg/kg Cadmium and compounds 3.7 mg/kg Copper and compounds 9.5 mg/kg Arsenic 19.0 mg/kg Chromium 19.0 mg/kg Lead 30.0 mg/kg Nickel (Soluble Salts) 48.0 mg/kg Manganese and compounds 2600.0 mg/kg

Soil: High Risk

RAIN RUNOFF DISCHARGES INTO SPOON CREEK. Commercial and construction workers and farm ranch workers are present on the site.

Contaminants: 1,2-Benzacenaphthene 0.014 mg/kg Butyl Benzyl Phthalate 0.03 mg/kg Antimony and compounds 2.8 mg/kg Arsenic 6.1 mg/kg Silver and compounds 26.0 mg/kg Bis(2-Ethylhexyl)Phthalate 140.0 mg/kg Manganese and compounds 880.0 mg/kg Lead 1100.0 mg/kg Cadmium and compounds 1700.0 mg/kg Copper and compounds 6200.0 mg/kg

Surface Water (Human): High Risk

Spoon Creek is a state designated stream for benificial use for domestic water supply and contact recreation NOT PROVIDED AT THIS TIME

Contaminants: Silver and compounds 16.0 ug/L Zinc 17.0 ug/L Nickel (Soluble Salts) 23.0 ug/L Lead 56.0 ug/L Barium 140.0 ug/L Manganese and compounds 360.0 ug/L Aluminum 460.0 ug/L

Surface Water (Fresh): Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: Copper 4.0 ug/L Nickel 58.0 ug/L Iron 440.0 ug/L

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Site ID: SAAP-020

ASH LAGOONS

Surface Impoundment/Lagoon

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Groundwater: High Risk

OVERFLOW FROM PRECIPITATION DISCHARGES INTO KILL CREEK & PERCOLATES INTO GROUNDWATER. GROUNDWATER STUDY FOR FACILITY WILL CONFIRM

Contaminants: Arsenic 5.0 ug/L Beryllium and compounds 5.0 ug/L Lead 14.0 ug/L Manganese and compounds 217.0 ug/L

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Site ID: SAAP-047

NITROGUANIDINE AREA (25) SUMPS

Contaminated Sediments

Cost

$444K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Groundwater: High Risk

Plume in groundwater is approaching or has reached installation boundary. If plume leaves the installation it may impact privte water supply wells.

Contaminants: Lead 5.0 ug/L Vanadium 530.0 ug/L Nickel (Soluble Salts) 640.0 ug/L Manganese and compounds 1500.0 ug/L Nitroguanidine 27000.0 ug/L

Soil: Low Risk

OVERFLOW DISCHARGES INTO SMALL TRIBUTARIES TO KANSAS RIVER & PERLOCATES INTO GROUNDWATER. NOT PROVIDED AT THIS TIME

Contaminants: Beryllium and compounds 2.6 mg/kg Arsenic 6.7 mg/kg Manganese and compounds 1800.0 mg/kg Aluminum 16000.0 mg/kg

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Site ID: SAAP-032

LEAD DECON. AND RECOVERY UNIT

Surface Disposal Area

Cost

$17K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2019

Contaminated Areas

Groundwater: High Risk

Groundwater recharges directly to Captains Creek, designated by the state for domestic water supply and contact recreation. Groundwater recharges directly to Captains Creek, designated by the state for domestic water supply and contact recreation.

Contaminants: Antimony and compounds 2.1 ug/L Barium 150.0 ug/L Nickel (Soluble Salts) 210.0 ug/L Aluminum 610.0 ug/L Manganese and compounds 6500.0 ug/L

Soil: High Risk

RAIN RUNOFF DISCHARGES INTO CAPTAIN CREEK. Future commercial development at the site will result in exposure for industriao and construction workers.

Contaminants: Arsenic 3.9 mg/kg Lead 180.0 mg/kg Manganese and compounds 880.0 mg/kg Aluminum 12000.0 mg/kg

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Site ID: SAAP-038

OIL WATER SEPARATOR

Oil/Water Separator

Cost

$185K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Surface Water (Fresh): High Risk

UNIT NEAR NPDES REGULATED STREAM NOT EVALUATED AT THIS TIME

Contaminants: Dieldrin 0.45 ug/L Arsenic (III) 5.0 ug/L Hexachlorobenzene 10.0 ug/L Beryllium 43.900002 ug/L

Surface Water (Human): Medium Risk

UNIT DISCHARGES INTO AN NPDES REGULATE D STREAM EVALUATION IS NOT COMPLETE AT THIS TIME

Contaminants: Dieldrin 0.45 ug/L Arsenic 5.0 ug/L Vinyl Chloride 5.0 ug/L Bis(2-chloroethyl)ether 10.0 ug/L Hexachlorobenzene 10.0 ug/L Indeno(1,2,3-cd)Pyrene 10.0 ug/L Benzo(a)Pyrene 10.0 ug/L 3,3'-Dichlorobenzidine 20.0 ug/L Beryllium and compounds 43.900002 ug/L 2-Nitroaniline 50.0 ug/L

Soil: Low Risk

UNIT DISCHARGES IN TO NPDES STREAM EVALUATION OF UNIT IS NOT COMPLETED AT THIS TIME

Contaminants: Beryllium and compounds 43.900002 mg/kg

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Site ID: SAAP-034

FIVE CORNERS SETTLING PONDS

Surface Impoundment/Lagoon

Cost

$329K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Sediment (Human): High Risk

PERCOLATES INTO GROUNDWATER & OVERFLOW DISCHARGES INTO KILL CREEK. NOT PROVIDED AT THIS TIME

Contaminants: Arsenic 12.0 mg/kg Silver and compounds 43.400002 mg/kg Barium 509.0 mg/kg Lead 40400.0 mg/kg

Sediment (Marine): High Risk

PERCOLATES INTO GROUNSWATER & OVERFLOW DISCHARGES INTO KILL CREEK. Final General RFI report, Feb 97, Appendix B, pg B-37 NOT PROVIDED AT THIS TIME

Contaminants: Zinc 0.14 mg/kg Mercury 0.62 mg/kg Silver 43.4 mg/kg Copper 96.6 mg/kg Lead 40400.0 mg/kg

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Site ID: SAAP-024

NITROGLYCERINE AND PASTE MIX AREAS

Spill Site Area

Cost

$559K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Sediment (Marine): High Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK. QCSR Addendum SWMU-24, May 96, Table A4, pg 35 Kill Creek runs off the installation exposing the public.

Contaminants: Pyrene 200.0 mg/kg Zinc 380.0 mg/kg Fluoranthene 1600.0 mg/kg Benzo(a)Pyrene 1600.0 mg/kg Lead 2100.0 mg/kg

Sediment (Human): Medium Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK. NOTPROVIDED AT THIS TIME

Contaminants: Selenium 1.3 mg/kg Arsenic 11.0 mg/kg Chromium 19.0 mg/kg Lead 2100.0 mg/kg Manganese and compounds 6100.0 mg/kg

Surface Water (Fresh): Medium Risk

RAINRUNOFF DISCHARGES INTO KILL CREEK. NOT PROVIDED AT THIS TIME

Contaminants: Copper 6.0 ug/L Thallium 11.0 ug/L Lead 25.0 ug/L Nickel 43.0 ug/L Iron 4400.0 ug/L

Surface Water (Human): Medium Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK & PERLOCATES INTO GROUNDWATER. NOT PROVIDED AT THIS TIME

Contaminants: Arsenic 15.0 ug/L Lead 25.0 ug/L Barium 300.0 ug/L Aluminum 3200.0 ug/L Manganese and compounds 3900.0 ug/L

Groundwater: Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: Silver and compounds 28.0 ug/L Nickel (Soluble Salts) 83.0 ug/L Manganese and compounds 220.0 ug/L Barium 350.0 ug/L Aluminum 6000.0 ug/L

Soil: Low Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK & PERCOLATES INTO GROUNDWATER. NOT PROVIDED AT THIS TIME

Contaminants: Cadmium and compounds 3.7 mg/kg Arsenic 5.4 mg/kg Manganese and compounds 1600.0 mg/kg Aluminum 12000.0 mg/kg

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Site ID: SAAP-033

PASTE AREA HALF TANKS & DITCHES

Drainage Ditch

Cost

$450K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Sediment (Fresh): High Risk

sediment washes directly into surface tributaries of state designated streams. Vertibrate and invertibrates in Kill Creek and Captains Creek may be exposed to sediment.

Contaminants: Lead 2940.0 mg/kg Manganese 2980.0 mg/kg

Sediment (Human): High Risk

Sediment discharges directly to tributaries of Kill Creek and Captains Creek. Kill Creek and Captains Creek are both designated by state of Kansas as potable drinking water sources.

Contaminants: Lead 2940.0 mg/kg Acid, ethylenebis(dithio- manganese salt 2980.0 mg/kg

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Site ID: SAAP-058

COMBINED SHOPS AREA

Maintenance Yard

Cost

$870K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Soil: High Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel.

Contaminants: Mercuric chloride 0.196 mg/kg Carbazole 0.205 mg/kg Pentachlorophenol 0.228 mg/kg Dibenz[ah]anthracene 0.331 mg/kg Anthracene 0.567 mg/kg Acenaphthene 0.598 mg/kg Aroclor 1254 0.756 mg/kg Thallium Carbonate 0.81 mg/kg Indeno(1,2,3-cd)Pyrene 0.858 mg/kg Benz(a)Anthracene 0.897 mg/kg Benzo(a)Pyrene 1.31 mg/kg Beryllium and compounds 1.36 mg/kg Selenium 1.99 mg/kg Benzo(k)Fluoranthene 2.07 mg/kg Fluoranthene 2.27 mg/kg Chrysene 2.42 mg/kg Pyrene 2.77 mg/kg Benzo(b)Fluoranthene 3.06 mg/kg Cadmium and compounds 4.26 mg/kg Silver and compounds 4.29 mg/kg Tetrachloroethylene 6.0 mg/kg Trichlorofluoromethane 6.8 mg/kg Antimony and compounds 12.2 mg/kg Arsenic 16.4 mg/kg Cobalt 29.0 mg/kg Nickel (Soluble Salts) 61.8 mg/kg Chromium 78.4 mg/kg Barium 261.0 mg/kg Zinc 1070.0 mg/kg Copper and compounds 1470.0 mg/kg Manganese and compounds 2600.0 mg/kg Lead 52500.0 mg/kg

Groundwater: Low Risk

There are no barriers in place to prevent migration. The shallow groundwater underlying SFAAP was not utilized. The wells tapping the aquifer are generally low yielding wells that do not produce enough water for domestic use (USDA, 1990).

Contaminants: Lead 1.53 ug/L Copper and compounds 3.2 ug/L Zinc 3.2 ug/L Selenium 5.0 ug/L Nickel (Soluble Salts) 9.0 ug/L Barium 155.0 ug/L Manganese ethylene bis-dithiocarbamate 344.0 ug/L

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Site ID: SAAP-066

INSTALLATION-WIDE STREAM STUDY

Drainage Ditch

Cost

$2.66M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2025

Contaminated Areas

Sediment (Human): High Risk

There are no barriers in place to prevent migration. Surface water from the streams flows offsite in less that one mile to the City of DeSoto and then into the Kansas River, in 20 miles thru Kansas City and into the Missouri River.

Contaminants: Ethyl benzene 0.000611 mg/kg Heptachlor Epoxide 0.00112 mg/kg Benzene 0.00232 mg/kg Toluene 0.00312 mg/kg Pentachlorophenol 0.00952 mg/kg Carbon Disulfide 0.0103 mg/kg Mercuric chloride 0.0931 mg/kg Dieldrin 0.11 mg/kg 2,4-Dinitrotoluene 0.16 mg/kg Acetone 0.176 mg/kg Dibutyl Phthalate 0.676 mg/kg Selenium 1.13 mg/kg Benzoic Acid 1.16 mg/kg Beryllium and compounds 1.45 mg/kg Cadmium and compounds 3.52 mg/kg Silver and compounds 5.41 mg/kg Nitramine 12.3 mg/kg Arsenic 21.3 mg/kg Chromium 44.3 mg/kg Diethyl Phthalate 50.7 mg/kg Cobalt 55.7 mg/kg Nickel (Soluble Salts) 59.7 mg/kg Copper and compounds 74.1 mg/kg Vanadium 77.1 mg/kg Barium 1120.0 mg/kg Lead 1650.0 mg/kg Zinc 1920.0 mg/kg Manganese and compounds 6660.0 mg/kg Aluminum 26400.0 mg/kg Iron 75600.0 mg/kg

Surface Water (Human): High Risk

There are no barriers in place to prevent migration. Surface water from the streams flows offsite in less that one mile to the City of DeSoto and then into the Kansas River, in 20 miles thru Kansas City and the Missouri River.

Contaminants: Mercuric chloride 0.123 ug/L Endrin 0.255 ug/L Beryllium and compounds 0.299 ug/L Dieldrin 1.05 ug/L 2,4-Dichlorophenoxyacetic Acid (2,4-D) 1.67 ug/L Antimony and compounds 3.15 ug/L Selenium 3.61 ug/L Chromium 4.56 ug/L Copper and compounds 5.99 ug/L Di-n-Octyl Phthalate 7.57 ug/L Vanadium 10.6 ug/L Arsenic 15.5 ug/L Lead 83.7 ug/L Zinc 149.0 ug/L Barium 156.0 ug/L Manganese and compounds 356.0 ug/L Iron 4000.0 ug/L Nitrate 4070.0 ug/L Acetone 4520.0 ug/L Aluminum 4940.0 ug/L

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Site ID: SAAP-122

OLD RECLAMATION YARD

Maintenance Yard

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: High Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel.

Contaminants: 1,4-Dichlorobenzene 0.0021 mg/kg Trichlorofluoromethane 0.0131 mg/kg Anthracene 0.03 mg/kg Fluoranthene 0.059 mg/kg Pyrene 0.068 mg/kg Benz(a)Anthracene 0.068 mg/kg Indeno(1,2,3-cd)Pyrene 0.076 mg/kg Chrysene 0.12 mg/kg Benzo(a)Pyrene 0.12 mg/kg Benzo(b)Fluoranthene 0.15 mg/kg Aroclor 1254 0.31 mg/kg Selenium 2.16 mg/kg Mercuric chloride 2.88 mg/kg Arsenic 31.8 mg/kg Silver and compounds 37.2 mg/kg Cadmium and compounds 119.0 mg/kg Barium 502.0 mg/kg Chromium 1140.0 mg/kg Lead 149000.0 mg/kg

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Site ID: SAAP-118

TRENCH DISPOSAL AREA A3

Contaminated Soil Piles

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: High Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: 1,4-Dichlorobenzene 0.00135 mg/kg iso-Propylbenzene 0.00154 mg/kg Toluene 0.00203 mg/kg Trichloroethylene (TCE) 0.0026 mg/kg 1,2-Dichloroethylene (cis) 0.00327 mg/kg Naphthalene 0.0112 mg/kg Mercuric chloride 0.0327 mg/kg Diethyl Phthalate 0.0381 mg/kg Bis(2-Ethylhexyl)Phthalate 0.0386 mg/kg Dibutyl Phthalate 0.0455 mg/kg Anthracin 0.198 mg/kg Silver and compounds 0.402 mg/kg Dibenz[ah]anthracene 0.431 mg/kg Selenium 0.657 mg/kg Beryllium and compounds 0.745 mg/kg Benzo(k)Fluoranthene 1.405 mg/kg Indeno(1,2,3-cd)Pyrene 1.494 mg/kg Fluoranthene 1.658 mg/kg Benz(a)Anthracene 1.754 mg/kg Benzo(a)Pyrene 1.988 mg/kg Chrysene 2.174 mg/kg Pyrene 2.262 mg/kg Benzo(b)Fluoranthene 3.985 mg/kg Cadmium and compounds 6.89 mg/kg Arsenic 9.58 mg/kg Chromium 16.1 mg/kg Cobalt 25.0 mg/kg Vanadium 35.6 mg/kg Nickel (Soluble Salts) 60.5 mg/kg Antimony and compounds 116.0 mg/kg Zinc 131.0 mg/kg Copper and compounds 156.0 mg/kg Barium 276.0 mg/kg Manganese and compounds 1866.0 mg/kg Aluminum 12600.0 mg/kg Iron 21800.0 mg/kg Lead 47071.0 mg/kg

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Site ID: SAAP-003

SEWAGE TREATMENT PLANT DRYING BEDS

Sewage Treatment Plant

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Sediment (Marine): High Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK. Final QCSR Addendum SWMU-03, Aug 95, Table 6.1 NOT PROVIDED AT THIS TIME

Contaminants: Dieldrin 1.1 mg/kg Chlordane 4.6 mg/kg Mercury 9.9 mg/kg Silver 62.0 mg/kg Lead 140.0 mg/kg

Sediment (Human): Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: Dieldrin 1.0 mg/kg Silver and compounds 62.0 mg/kg Lead 140.0 mg/kg Manganese and compounds 420.0 mg/kg

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Site ID: SAAP-114

ROBERT'S LAKE

Surface Impoundment/Lagoon

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Sediment (Human): High Risk

There is no evidence that contaminants are migrating. There are no barriers in place to prevent migration. A marsh is located at the eastern portion of the Lake where contaminants could possibly migrate. Usage of the Lake has been identified as recreational - for fishing only. Access to the site is restricted to authorized personnel.

Contaminants: Antimony and compounds 0.099 mg/kg Cadmium and compounds 0.134 mg/kg Arsenic 9.92 mg/kg Nickel (Soluble Salts) 17.2 mg/kg Chromium 21.2 mg/kg Lead 23.4 mg/kg Cobalt 45.2 mg/kg Zinc 91.1 mg/kg Vanadium 193.0 mg/kg Barium 339.0 mg/kg Manganese and compounds 1270.0 mg/kg Copper and compounds 1638.0 mg/kg Aluminum 22600.0 mg/kg Iron 30400.0 mg/kg

Surface Water (Human): High Risk

There is no evidence that contaminants are migrating. There are no barriers in place to prevent migration. A marsh is located at the eastern portion of the Lake where contaminants could possibly migrate. Usage of the Lake has been identified as recreational - for fishing only. Access to the site is restricted to authorized personnel.

Contaminants: Antimony and compounds 1.82 ug/L Chromium 4.6 ug/L Arsenic 5.6 ug/L Lead 8.3 ug/L Selenium 15.0 ug/L Vanadium 51.0 ug/L Zinc 78.0 ug/L Copper and compounds 104.0 ug/L Manganese and compounds 111.0 ug/L Barium 153.0 ug/L Iron 204.0 ug/L Chlorine 220.0 ug/L Aluminum 250.0 ug/L

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Site ID: SAAP-008

N. ACID AREA - CHROMATE CONC. POND

Surface Impoundment/Lagoon

Cost

$327K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Surface Water (Fresh): High Risk

RAIN RUNOFF DISCHARGE INTO KILL CREEK. Draft RFI Addendum SWMU-07,-08,&-09, Apr 98, pg 4-18. NOT PROVIDED AT THIS TIMEE

Contaminants: Cadmium 100.0 ug/L Selenium 100.0 ug/L Lead 1690.0 ug/L Chromium (III) 119000.0 ug/L Chromium (VI) 1390000.0 ug/L

Surface Water (Human): High Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK. NOT PROVIDED AT THIS TIME

Contaminants: Cadmium and compounds 100.0 ug/L Silver and compounds 500.0 ug/L Arsenic 500.0 ug/L Lead 1690.0 ug/L Chromium 2700000.0 ug/L

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Site ID: SAAP-022

OLD EXPLOSIVE WASTE BURNING GROUND

Burn Area

Cost

$330K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Sediment (Fresh): High Risk

SWMU 22 is located on the banks of Captains Creek. Sediment run-off is directly to the streem. The ecological reisk assessment indicates that Captains Creek and the oxbow lake adjacent to the site are important habitiat for invertibrate and vertibrates.

Contaminants: Arsenic 2.2 mg/kg Cadmium 2.3 mg/kg Copper 6.6 mg/kg Lead 8.1 mg/kg Chromium 8.2 mg/kg Nickel 12.0 mg/kg Zinc 27.0 mg/kg

Soil: High Risk

RAIN RUNOFF DISCHARGES INTO CAPTAIN CREEK & PERCOLATES INTO GROUNDWATER. Future commercial operations planned for SFAAP will expose construction and maintance workers who dig at this site.

Contaminants: Arsenic 6.6 mg/kg Cadmium and compounds 17.0 mg/kg Lead 6800.0 mg/kg Manganese and compounds 7900.0 mg/kg

Groundwater: Medium Risk

Groundwater at this site recharges directly to Captains Creek, designated by the state for domestic water supp;y and contact recreation. NOT PROVIDED AT THIS TIME

Contaminants: Antimony and compounds 2.1 ug/L Silver and compounds 4.0 ug/L Zinc 24.0 ug/L Barium 210.0 ug/L Manganese and compounds 320.0 ug/L Aluminum 920.0 ug/L

Surface Water (Fresh): Medium Risk

Surface water flows directly into Captains Creek. Captains Creek is identified as habitat for a variety of invertibrate and vertibrate species.

Contaminants: Copper 10.0 ug/L Nickel (Soluble Salts) 44.0 ug/L Iron 610.0 ug/L

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Site ID: SAAP-007

NORTH ACID AREA - CHROMATE AREA

Waste Treatment Plant

Cost

$779K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2025

Contaminated Areas

Surface Water (Fresh): High Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK. Draft RFI Addendum SWMU-07,-08, and-09, Apr 98, pg 4-18. NOT PROVIDED AT THIS TIME

Contaminants: Cadmium 100.0 ug/L Selenium 100.0 ug/L Lead 1690.0 ug/L Chromium (III) 119000.0 ug/L Chromium (VI) 1390000.0 ug/L

Surface Water (Human): High Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK. NOT PROVIDED AT THIS TIME

Contaminants: Cadmium and compounds 100.0 ug/L Silver and compounds 500.0 ug/L Arsenic 500.0 ug/L Lead 1690.0 ug/L Chromium 2700000.0 ug/L

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Site ID: SAAP-009

N. ACID AREA - WW TREATMENT LAGOON

Surface Impoundment/Lagoon

Cost

$525K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Sediment (Fresh): High Risk

Migration is likely through overland flow and runn-off. Exposure is possible in Kill Creek.

Contaminants: Chromium 944.0 mg/kg

Sediment (Human): Medium Risk

Migration is possible through overland flow and erosion of sediments. Exposure is possible for on-site workers and lesees as well as through consumption of cattle grazing on the site.

Contaminants: Chromium 944.0 mg/kg

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Site ID: SAAP-036

N-LINE AREA

Surface Disposal Area

Cost

$2.81M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2021

Contaminated Areas

Groundwater: Medium Risk

NOT PROVIDED AT THIS TIME

Contaminants: Fluoride 0.6 ug/L Cadmium and compounds 6.0 ug/L Barium 460.0 ug/L Aluminum 3500.0 ug/L Manganese and compounds 3800.0 ug/L

Sediment (Human): Medium Risk

RAIN RUNOFF DISCHARGE INTO SPOON CREEK & PERCOLATES INTO GROUNDWATER. NOT PROVIDED AT THIS TIME

Contaminants: Antimony and compounds 23.0 mg/kg Arsenic 23.0 mg/kg Vanadium 81.0 mg/kg Manganese and compounds 4700.0 mg/kg

Sediment (Marine): Medium Risk

RAIN RUNOFF DISCHARGES INTO SPOON CREEK & PERCOLATES INTO GROUNDWATER. NOT PROVIDED AT THIS TIME

Contaminants: Silver 2.0 mg/kg Arsenic 23.0 mg/kg Lead 51.0 mg/kg Zinc 75.0 mg/kg Nickel 82.0 mg/kg

Soil: Low Risk

RAIN RUNOFF DICHARGES INTO SPOON CREEK & PRECOLATES INTO GROUNDWATER. NOT PROVIDED AT THIS TIME

Contaminants: Manganese and compounds 1.0 mg/kg Arsenic 20.0 mg/kg Lead 100.0 mg/kg Barium 2100.0 mg/kg

Surface Water (Fresh): Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: Copper 7.0 ug/L Zinc 18.0 ug/L Iron 380.0 ug/L

Surface Water (Human): Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: Copper and compounds 7.0 ug/L Zinc 18.0 ug/L Manganese and compounds 120.0 ug/L Barium 120.0 ug/L Aluminum 410.0 ug/L

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Site ID: SAAP-004

POND A AND SLUDGE DISPOSAL AREA

Surface Impoundment/Lagoon

Cost

$1.11M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Sediment (Human): Medium Risk

RAIN RUNOFF DISCHARGES IN KILL CREEK. NOT PROVIDED AT THIS TIME

Contaminants: Arsenic 200.0 mg/kg Lead 250.0 mg/kg Manganese and compounds 3100.0 mg/kg Aluminum 24000.0 mg/kg

Sediment (Marine): Medium Risk

PRECIPITATION OVERFLOWDISCHARGES INTO KILL CREEK. NOT PROVIDED AT THIS TIME

Contaminants: Mercury 1.7 mg/kg Cadmium 10.0 mg/kg Nickel 82.0 mg/kg Zinc 200.0 mg/kg Lead 250.0 mg/kg

Groundwater: Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: Manganese and compounds 100.0 ug/L Barium 120.0 ug/L Fluoride 600.0 ug/L Aluminum 1500.0 ug/L

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Site ID: SAAP-124

CLEANUP UNDER EXPLOSIVE SEWERS

Contaminated Fill

Cost

$3.64M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2025

Contaminated Areas

Groundwater: Medium Risk

Groundwater recharges surface water in Kill Creek. Groundwater recharges Kill Creek, which is designated by the State of Kansas for domestic consumption and contact recreation.

Contaminants: Cadmium and compounds 6.0 ug/L Selenium 6.0 ug/L Cobalt 11.0 ug/L Acetone 29.0 ug/L Nickel (Soluble Salts) 33.0 ug/L Zinc 60.0 ug/L Methylene Chloride 110.0 ug/L Manganese and compounds 160.0 ug/L Ammonia 210.0 ug/L Barium 220.0 ug/L Fluoride 400.0 ug/L Iron 820.0 ug/L Nitrate 7900.0 ug/L

Soil: Low Risk

Contaminants confined underneath explosive sewers.

Contaminants: Pyrene 0.28 mg/kg Antimony and compounds 4.4 mg/kg Arsenic 7.6 mg/kg Manganese and compounds 1300.0 mg/kg 1,2-Benzenedicarboxylic Acid, Bis(2-Ethylhexyl)Ester 4700.0 mg/kg Butyl Benzyl Phthalate 4700.0 mg/kg Lead 5800.0 mg/kg

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Site ID: CCSAAP-070

DIESEL FUEL SPILL AT BLDG 129-2

Spill Site Area

Cost

$773K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2025

Contaminated Areas

Soil: Medium Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Acenaphthene 0.014 mg/kg 2-Methylnaphthalene 0.14 mg/kg Anthracene 0.3 mg/kg Fluorene 1.5 mg/kg Fluoranthene 1.6 mg/kg Benzo(k)Fluoranthene 1.6 mg/kg Indeno(1,2,3-cd)Pyrene 3.4 mg/kg Pyrene 4.3 mg/kg Benzo(b)Fluoranthene 5.3 mg/kg Benzo(a)Pyrene 6.6 mg/kg Dibenz[ah]anthracene 14.0 mg/kg Chrysene 16.0 mg/kg

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Site ID: CCSAAP-103

NEW PHOTOGRAPHIC LABORATORY 227-18

Above Ground Storage Tank

Cost

$283K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Medium Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Chloroform 0.0249 mg/kg Mercury (Methyl) 0.147 mg/kg Bis(2-Ethylhexyl)Phthalate 0.185 mg/kg Selenium 0.371 mg/kg Antimony and compounds 0.604 mg/kg Beryllium and compounds 0.646 mg/kg Cadmium and compounds 2.76 mg/kg Silver and compounds 3.75 mg/kg Arsenic 12.6 mg/kg Cobalt 16.0 mg/kg Copper and compounds 22.8 mg/kg Vanadium 29.4 mg/kg Nickel (Soluble Salts) 64.6 mg/kg Barium 242.0 mg/kg Lead 262.0 mg/kg Manganese and compounds 513.0 mg/kg Zinc 1461.0 mg/kg Aluminum 8960.0 mg/kg Iron 15424.0 mg/kg

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Site ID: CCSAAP-113

GENERAL WAREHOUSES (8037 SERIES)

Contaminated Soil Piles

Cost

$32K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Soil: Medium Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Benzene 0.00401 mg/kg 1,2,4-Trimethylbenzene 0.0378 mg/kg Dibutyl Phthalate 0.0502 mg/kg Naphthalene 0.0573 mg/kg Butyl Benzyl Phthalate 0.062 mg/kg o-Xylene 0.0747 mg/kg Toluene 0.0835 mg/kg iso-Propylbenzene 0.148 mg/kg Anthracene 0.2 mg/kg Mercury (Methyl) 0.213 mg/kg Bis(2-Ethylhexyl)Phthalate 0.24 mg/kg m-Xylene 0.243 mg/kg Aroclor 1254 0.284 mg/kg PCBs 0.284 mg/kg Dibenz[ah]anthracene 0.327 mg/kg Diethyl Phthalate 0.444 mg/kg Benzo(a)Pyrene 0.753 mg/kg Selenium 0.834 mg/kg Beryllium and compounds 0.867 mg/kg Silver and compounds 1.06 mg/kg Benzo(k)Fluoranthene 1.135 mg/kg Indeno(1,2,3-cd)Pyrene 1.353 mg/kg Pyrene 1.365 mg/kg Chrysene 1.608 mg/kg Fluoranthene 1.701 mg/kg Benzo(b)Fluoranthene 2.044 mg/kg Antimony and compounds 2.91 mg/kg Cadmium and compounds 4.35 mg/kg Pentachlorophenol 5.164 mg/kg Arsenic 10.7 mg/kg Chromium 30.8 mg/kg Vanadium 32.2 mg/kg Nickel (Soluble Salts) 35.0 mg/kg Cobalt 37.6 mg/kg Copper and compounds 50.0 mg/kg Barium 377.0 mg/kg Manganese and compounds 1572.0 mg/kg Zinc 2406.0 mg/kg Lead 2622.0 mg/kg Aluminum 12155.0 mg/kg Iron 31632.0 mg/kg

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Site ID: CCSAAP-126

POWER HOUSES

Above Ground Storage Tank

Cost

$811K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2025

Contaminated Areas

Soil: Medium Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Acenaphthene 0.014 mg/kg 2-Methylnaphthalene 0.014 mg/kg Anthracene 0.3 mg/kg Fluorene 1.5 mg/kg Fluoranthene 1.6 mg/kg Benzo(k)Fluoranthene 1.6 mg/kg Indeno(1,2,3-cd)Pyrene 3.4 mg/kg Pyrene 4.3 mg/kg Benzo(b)Fluoranthene 5.3 mg/kg Benzo(a)Pyrene 6.6 mg/kg Dibenz[ah]anthracene 14.0 mg/kg Chrysene 16.0 mg/kg

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Site ID: SAAP-001

CLASSIFICATION YARD

Storage Area

Cost

$24K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2017

Contaminated Areas

Soil: Medium Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK. RAIN RUNOFF PERULATES INTO GROUNDWATER. NONE GIVEN AT THIS TIME

Contaminants: Arsenic 7.3 mg/kg Beryllium and compounds 170.0 mg/kg Barium 1500.0 mg/kg Manganese and compounds 2100.0 mg/kg Aluminum 19000.0 mg/kg

Groundwater: Low Risk

NONE GIVEN AT THIS TIME

Contaminants: 1,2-Benzenedicarboxylic Acid, Bis(2-Ethylhexyl)Ester 11.0 ug/L Methylene Chloride 13.0 ug/L Barium 160.0 ug/L Aluminum 180.0 ug/L

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Site ID: SAAP-005

ACID SEWAGE DISPOSAL PLANT

Waste Treatment Plant

Cost

$706K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Sediment (Marine): Medium Risk

PRECIPITATION OVERFLOW DISCHARGES INTO KILL CREEK. Final QCSR Addendum SWMU-03, Aug 95, Table 6.1 NOT PROVIDED AT THIS TIME

Contaminants: Mercury 9.9 mg/kg Silver 62.0 mg/kg Lead 140.0 mg/kg

Sediment (Human): Low Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK. NOT PROVIDED AT THIS TIME

Contaminants: Dieldrin 1.1 mg/kg Silver and compounds 62.0 mg/kg Lead 140.0 mg/kg Manganese and compounds 420.0 mg/kg

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Site ID: SAAP-006

POND B AND SLUDGE DISPOSAL AREA

Surface Impoundment/Lagoon

Cost

$605K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Groundwater: Medium Risk

NOT PROVIDED AT THIS TIME

Contaminants: Acetone 29.0 ug/L Nickel (Soluble Salts) 39.0 ug/L Methylene Chloride 110.0 ug/L Barium 390.0 ug/L Manganese and compounds 8900.0 ug/L

Sediment (Human): Low Risk

EFFLUENT DISCHARGES INTO KILL CREEK AND PERCOLATES INTO THE GROUNDWATER. NOT PROVIDE AT THIS TIME

Contaminants: Arsenic 13.0 mg/kg Lead 60.0 mg/kg Manganese and compounds 950.0 mg/kg

Soil: Low Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK AND PERLOCATED INTO GROUNDWATER. NOT PROVIDED AT THIS TIME

Contaminants: Arsenic 10.0 mg/kg Manganese and compounds 740.0 mg/kg Aluminum 23000.0 mg/kg

Sediment (Marine): Low Risk

EFFLUENT DISCHARGES INTO KILL CREEK AND PERCOLATED INTO GROUNDWATER. NOT PROVIDED AT THIS TIME

Contaminants: Mercury 0.003 mg/kg Nickel 0.031 mg/kg Chromium 0.042 mg/kg Lead 0.06 mg/kg Zinc 110.0 mg/kg

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Site ID: SAAP-012

PYOTTS POND & SLUDGE DISPOSAL AREA

Surface Impoundment/Lagoon

Cost

$752K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2025

Contaminated Areas

Groundwater: Medium Risk

NOT PROVIDED AT THIS TIME

Contaminants: Lead 7.4 ug/L Acetone 42.0 ug/L Methylene Chloride 170.0 ug/L Manganese and compounds 450.0 ug/L Aluminum 2900.0 ug/L

Sediment (Human): Low Risk

OVERFLOW DISCHARGES INTO KILL CREEK & PERLOCATES INTO GROUNDWATER. NOT PROVIDED AT THIS TIME

Contaminants: Arsenic 8.7 mg/kg Chromium 170.0 mg/kg Lead 230.0 mg/kg Manganese and compounds 1000.0 mg/kg

Sediment (Marine): Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: Mercury 0.00065 mg/kg Antimony 0.0039 mg/kg Nickel 0.067 mg/kg Chromium 0.17 mg/kg Lead 0.23 mg/kg

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Site ID: SAAP-026

SINGLE BASE PROPELLANT AREA SUMPS

Contaminated Sediments

Cost

$866K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Sediment (Human): Medium Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK. NOT PROVIDED AT THIS TIME

Contaminants: Arsenic 45.299999 mg/kg Barium 559.0 mg/kg Lead 9320.0 mg/kg

Sediment (Marine): Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: Chromium 0.0228 mg/kg Mercury 0.04 mg/kg Arsenic 0.0453 mg/kg Lead 9.32 mg/kg

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Site ID: SAAP-031

CONTAMINATED WASTE PROCESSOR

Surface Impoundment/Lagoon

Cost

$951K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Groundwater: Medium Risk

RAINFALL OVERFLOW DISCHARGES INTO CAPTAIN CREEK & PERCOLATES INTO GROUNDWATER. NOT PROVIDED AT THIS TIME

Contaminants: 2,4,5-Trichlorophenol 10.0 ug/L 3,3'-Dichlorobenzidine 21.0 ug/L Pentachlorophenol 31.0 ug/L 2,4-Dinitrophenol 52.0 ug/L

Surface Water (Human): Medium Risk

OVERFLOW DISCHARGES INTO CAPTAIN CREEK. NOT PROVIDED AT THIS TIME

Contaminants: 2,4-Dinitrophenol 51.0 ug/L 2-Nitroaniline 51.0 ug/L 2,4,5-Trichlorophenol 51.0 ug/L

Sediment (Human): Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: Pentachlorophenol 1.7 mg/kg 2-Nitroaniline 2.8 mg/kg 2,4,5-Trichlorophenol 2.8 mg/kg

Surface Water (Fresh): Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: 2,4,5-Trichlorophenol 51.0 ug/L

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Site ID: SAAP-035

NITROGLYCERINE AREA SETTLING PONDS

Surface Impoundment/Lagoon

Cost

$249K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Sediment (Human): Medium Risk

PERLOCATES INTO GROUNDWATER & OVERFLOW DISCHARGES INTO KILL CREEK. NOT PROVIDED AT THIS TIME

Contaminants: Arsenic 21.0 mg/kg Chromium 22.799999 mg/kg Lead 699.0 mg/kg

Sediment (Marine): Medium Risk

PERCOLATES INTO GROUNDWATER & RAIN RUNOFF OVERFLOW DISCHARGES INTO KILL CREEK. NOT PROVIDED AT THIS TIME

Contaminants: Mercury 1.3 mg/kg Arsenic 21.0 mg/kg Nickel 32.7 mg/kg Zinc 85.8 mg/kg Lead 699.0 mg/kg

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Site ID: SAAP-051

NEW RECLAMATION YARD

Storage Area

Cost

$2.61M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Soil: Medium Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK. EVALUATION IS NOT COMPLETE AT THIS TIME

Contaminants: Antimony and compounds 45.0 mg/kg Manganese and compounds 574.0 mg/kg Copper and compounds 25600.0 mg/kg

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Site ID: SAAP-037

SANDBLAST AREAS

Surface Disposal Area

Cost

$480K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Medium Risk

NEARBY STREAMS, GROUNDWATER, DUST EXPOSURE OF WORKERS NOT EVALUATED AT THIS TIME

Contaminants: Antimony and compounds 301.0 mg/kg Lead 582.0 mg/kg Manganese and compounds 2730.0 mg/kg

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Site ID: SAAP-039

SOUTH ACID AREA DITCHES

Contaminated Sediments

Cost

$245K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Surface Water (Fresh): Medium Risk

DISCHARGES TO NPDES OUTFALL EVALUATION IS NOT COMPLETE AT THIS TIME

Contaminants: Arsenic (III) 5.0 ug/L Beryllium 5.0 ug/L Lead 48.700001 ug/L

Surface Water (Human): Medium Risk

UNIT DISCHARGES TO AN NPDES OUTFALL. EVALUATION IS NOT COMPLETE

Contaminants: Arsenic 5.0 ug/L Beryllium and compounds 5.0 ug/L Lead 48.700001 ug/L Nitrate 5780.0 ug/L

Sediment (Human): Low Risk

UNIT DISCHARGES INTO NPDES OUTFALL. EVALUATION IS NOT COMPLETE

Contaminants: Manganese and compounds 1900.0 mg/kg

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Site ID: SAAP-043

TUNNEL DRYERS (CCC STORAGE)

Storage Area

Cost

$742K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Groundwater: Medium Risk

NOT EVALUATED AT THIS TIME

Contaminants: Arsenic 5.0 ug/L Beryllium and compounds 5.0 ug/L Lead 7.5 ug/L Nitrate 26100.0 ug/L

Sediment (Human): Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: Lead 1.3 mg/kg

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Site ID: SAAP-044

TANK T784

Above Ground Storage Tank

Cost

$407K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Groundwater: Medium Risk

EVALUATION NOT COMPLETE AT THIS TIME. RAIN RUNOFF DISCHARGES INTO SMALL TRIBUTARIES TO KANSAS RIVER. EVALUATION NOT COMPLETE AT THIS TIME

Contaminants: Arsenic 5.0 ug/L Beryllium and compounds 5.0 ug/L Bis(2-chloroethyl)ether 10.0 ug/L Hexachlorobenzene 10.0 ug/L Indeno(1,2,3-cd)Pyrene 10.0 ug/L Benzo(a)Pyrene 10.0 ug/L Benz(a)Anthracene 10.0 ug/L 3,3'-Dichlorobenzidine 20.0 ug/L 2-Nitroaniline 50.0 ug/L

Soil: Low Risk

RAIN RUNOFF DISCHARGES INTO SMALL TRIBUTARIES TO KANSAS RIVER. NOT EVALUATED AT THIS TIME

Contaminants: Manganese and compounds 1830.0 mg/kg

Surface Water (Human): Low Risk

NOT EVALUATED AT THIS TIME NOT PROVIDED AT THIS TIME

Contaminants: Nitroguanidine 0.21 ug/L Ammonium Sulfamate 0.21 ug/L Nitrite 13.0 ug/L

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Site ID: SAAP-052

PAINT BAY BUILDING 542

Surface Disposal Area

Cost

$220K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Groundwater: Medium Risk

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Contaminants: Trichloroethylene (TCE) 540.0 ug/L

Soil: Medium Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK. EVALUATION IS NOT COMPLETE AT THIS TIME

Contaminants: Manganese and compounds 540.0 mg/kg Trichloroethylene (TCE) 540.0 mg/kg

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Site ID: SAAP-040

CALCIUM CYANIMIDE DISPOSAL AREA

Landfill

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Groundwater: Medium Risk

EVALUATION IS NOT COMPLETE AT THIS TIME

Contaminants: Arsenic 5.0 ug/L Beryllium and compounds 10.0 ug/L Manganese and compounds 13900.0 ug/L

Surface Water (Fresh): Medium Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK & PERCOLATES INTO GROUNDWATER. NOT EVALUATED AT THIS TIME

Contaminants: Arsenic (III) 10.3 ug/L Beryllium 14.4 ug/L Lead 26.200001 ug/L

Surface Water (Human): Medium Risk

RAIN RUNOFF DISCHARES INTO KILL CREEK & PERCOLATES INTO GROUNDWATER. NOT EVALUATED AT THIS TIME

Contaminants: Arsenic 10.3 ug/L Beryllium and compounds 14.4 ug/L Lead 26.200001 ug/L Manganese and compounds 23300.0 ug/L Aluminum 277000.0 ug/L

Sediment (Human): Low Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK & PERCOLATES INTO GROUNDWATER. NOT EVALUATED AT THIS TIME

Contaminants: Manganese and compounds 796.0 mg/kg

Soil: Low Risk

NOT EVALUATED AT THIS TIME

Contaminants: Manganese and compounds 507.0 mg/kg

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Site ID: SAAP-046

DECONTAMINATION OVEN

Incinerator

Cost

Unknown

Final Cleanup Action

Dec 2022

Contaminated Areas

Soil: Medium Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK & PERCOLATES INTO GROUNDWATER. EVALUATION IS NOT COMPLETE AT THIS TIME

Contaminants: Manganese and compounds 460.0 mg/kg Lead 1300.0 mg/kg

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Site ID: SAAP-054

FLUORESCENT TUBE WELLS

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Medium Risk

There is no evidence that site contaminants are migrating. There is observable evidence that cattle inhabit the area at various times.

Contaminants: Lead 68.0 mg/kg

Groundwater: Low Risk

There is no evidence that site contaminants are migrating. There are no barriers in place which would prevent the downward migration of contaminants. Installation personnel and cattle may come in contact with groundwater when and if it resurfaces.

Contaminants: Lead 2.0 ug/L

Surface Water (Human): Low Risk

There is no evidence that site contaminants are migrating. There are no barriers in place which would prevent the downward migration of contaminants. Installation personnel and cattle may come in contact with groundwater when and if it resurfaces.

Contaminants: Mercuric chloride 0.2 ug/L Beryllium and compounds 2.5 ug/L

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Site ID: SAAP-067

SOUTH ACID AREA

Chemical Disposal

Cost

$893K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Soil: Medium Risk

Contamination could move, but is not moving appreciably. There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel.

Contaminants: Benz(a)Anthracene 0.077 mg/kg Indeno(1,2,3-cd)Pyrene 0.084 mg/kg Benzo(k)Fluoranthene 0.1 mg/kg Benzo(b)Fluoranthene 0.13 mg/kg Benzo(a)Pyrene 0.13 mg/kg Silver and compounds 0.13 mg/kg Pyrene 0.14 mg/kg Fluoranthene 0.169 mg/kg Chrysene 0.175 mg/kg Pentachlorophenol 0.22 mg/kg Cadmium and compounds 0.858 mg/kg Mercuric chloride 1.27 mg/kg Nitramine 2.1 mg/kg Trichlorofluoromethane 2.6 mg/kg Bis(2-Ethylhexyl)Phthalate 2.73 mg/kg Selenium 3.46 mg/kg Arsenic 12.4 mg/kg Chromium 79.7 mg/kg Barium 294.0 mg/kg Lead 1070.0 mg/kg

Groundwater: Low Risk

There are no barriers in place to prevent migration. The shallow groundwater underlying SFAAP was not utilized. The wells tapping the aquifer are generally low yielding wells that do not produce enough water for domestic use (USDA, 1990).

Contaminants: Lead 2.77 ug/L Chromium 3.1 ug/L Selenium 6.21 ug/L Barium 110.0 ug/L

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Site ID: SAAP-116

NITROCELLULOSE PRODUCTION LINES

Surface Disposal Area

Cost

$1.03M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Soil: Medium Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: 2-Methylnaphthalene 0.1 mg/kg Dibenzofuran 0.13 mg/kg Dibenz[ah]anthracene 0.15 mg/kg Diethyl Phthalate 0.19 mg/kg 2,6-Dinitrotoluene 0.193 mg/kg Acenaphthene 0.217 mg/kg Pentachlorophenol 0.225 mg/kg Mercuric chloride 0.281 mg/kg Silver and compounds 0.331 mg/kg Fluorene 0.355 mg/kg Indeno(1,2,3-cd)Pyrene 0.373 mg/kg Anthracene 0.616 mg/kg Benzo(a)Pyrene 0.711 mg/kg Carbazole 0.72 mg/kg N-Nitrosodiphenylamine 0.815 mg/kg Benz(a)Anthracene 1.1 mg/kg Selenium 1.4 mg/kg Benzo(k)Fluoranthene 1.71 mg/kg Benzo(b)Fluoranthene 1.96 mg/kg 2,4-Dinitrotoluene 2.32 mg/kg Chrysene 3.9 mg/kg Cadmium and compounds 4.79 mg/kg Pyrene 8.84 mg/kg Fluoranthene 11.4 mg/kg Dibutyl Phthalate 11.4 mg/kg Nitramine 15.7 mg/kg Arsenic 17.9 mg/kg Chromium 60.6 mg/kg Lead 511.0 mg/kg Barium 697.0 mg/kg

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Site ID: SAAP-123

CLEANUP UNDER EXPLOSIVE FOUNDATIONS

Contaminated Fill

Cost

$34K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2025

Contaminated Areas

Groundwater: Medium Risk

Groundwater recharges surface water in Kill Creek. Groundwater recharges Kill Creek, which is designated by the State of Kansas for domestic consumption and contact recreation.

Contaminants: Cadmium and compounds 6.0 ug/L Selenium 6.0 ug/L Cobalt 11.0 ug/L Acetone 29.0 ug/L Nickel (Soluble Salts) 33.0 ug/L Zinc 60.0 ug/L Methylene Chloride 110.0 ug/L Manganese and compounds 160.0 ug/L Ammonia 210.0 ug/L Barium 220.0 ug/L Fluoride 400.0 ug/L Iron 820.0 ug/L Nitrate 7900.0 ug/L

Soil: Low Risk

Contaminants confined underneath explosive foundations.

Contaminants: Pyrene 0.28 mg/kg Antimony and compounds 4.4 mg/kg Arsenic 7.6 mg/kg Manganese and compounds 1300.0 mg/kg 1,2-Benzenedicarboxylic Acid, Bis(2-Ethylhexyl)Ester 4700.0 mg/kg Butyl Benzyl Phthalate 4700.0 mg/kg Lead 5800.0 mg/kg

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Site ID: SAAP-101

MONITORING WELL WEST OF OLD ADMIN B

Contaminated Ground Water

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Groundwater: Medium Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel.

Contaminants: Copper and compounds 13.0 ug/L Manganese and compounds 105.0 ug/L Zinc 151.0 ug/L Barium 226.0 ug/L Ammonia 239.0 ug/L Aluminum 668.0 ug/L Iron 700.0 ug/L Nitrate 25800.0 ug/L

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Site ID: SAAP-115

HAZARD ANALYSIS TESTING LAB

Contaminated Soil Piles

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Medium Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Beryllium and compounds 0.119 mg/kg Selenium 0.26 mg/kg Silver and compounds 0.333 mg/kg Cadmium and compounds 1.15 mg/kg Arsenic 1.35 mg/kg Cobalt 1.5 mg/kg Chromium 5.26 mg/kg Antimony and compounds 8.49 mg/kg Nickel (Soluble Salts) 8.6 mg/kg Barium 43.9 mg/kg Manganese and compounds 84.9 mg/kg Zinc 190.0 mg/kg Copper and compounds 960.0 mg/kg Lead 4210.0 mg/kg

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Site ID: SAAP-015

WASTE STORAGE MAGAZINES

Storage Area

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Medium Risk

CONTAMINATION MAY MIGRATE BY EROSION TO NEAR BY STREAM AND SOIL EXPOSURE DUE TO AIR BORN DUST THERE IS A NEARBY STREAM

Contaminants: Dieldrin 6.21 mg/kg Benzo(a)Pyrene 11.0 mg/kg Aldrin 12.0 mg/kg Heptachlor Epoxide 14.5 mg/kg Arsenic 22.0 mg/kg Toxaphene 42.0 mg/kg Antimony and compounds 42.700001 mg/kg 2-Nitroaniline 55.0 mg/kg Manganese and compounds 3030.0 mg/kg

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Site ID: SAAP-002

RIVER WATER TREATMENT PLANT LAGOONS

Surface Impoundment/Lagoon

Cost

$327K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Sediment (Marine): Medium Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK. RAIN RUNOFF PERCULATES INTO GROUNDWATER. NOT PROVIDED AT THIS TIME

Contaminants: Cadmium 2.5 mg/kg Chromium 38.0 mg/kg Copper 42.0 mg/kg Lead 64.0 mg/kg Nickel 67.0 mg/kg

Groundwater: Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: Fluoride 1.1 ug/L Zinc 21.0 ug/L Manganese and compounds 160.0 ug/L Barium 180.0 ug/L Aluminum 510.0 ug/L

Sediment (Human): Low Risk

RAIN RUNOFF DISCHARGES TO KILL CREEK. NOT PROVIDED AT THIS TIME

Contaminants: Beryllium and compounds 1.6 mg/kg Arsenic 12.0 mg/kg Manganese and compounds 2500.0 mg/kg Aluminum 21000.0 mg/kg

Soil: Low Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK NOT PROVIDED AT THIS TIME

Contaminants: Antimony and compounds 3.3 mg/kg Chromium 25.0 mg/kg Copper and compounds 170.0 mg/kg Manganese and compounds 1100.0 mg/kg Aluminum 22000.0 mg/kg

Surface Water (Fresh): Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: Iron 870.0 ug/L

Surface Water (Human): Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: Fluoride 0.3 ug/L Barium 240.0 ug/L Manganese and compounds 330.0 ug/L Aluminum 440.0 ug/L

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Site ID: CCSAAP-055

OLD ADMINISTRATION BUILDINGS

Contaminated Soil Piles

Cost

$234K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Medium Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: 4,4-DDE 0.0043 mg/kg 4,4-DDD 0.0065 mg/kg Heptachlor Epoxide 0.0069 mg/kg Dieldrin 0.037 mg/kg 4,4-DDT 0.058 mg/kg 2-Methylnaphthalene 0.277 mg/kg Naphthalene 0.31 mg/kg Dibutyl Phthalate 0.547 mg/kg Bis(2-Ethylhexyl)Phthalate 0.607 mg/kg Chlordane 0.66 mg/kg Butyl Benzyl Phthalate 0.745 mg/kg Antimony and compounds 0.831 mg/kg Mercury (Methyl) 1.1 mg/kg Beryllium and compounds 1.13 mg/kg Dibenzofuran 1.39 mg/kg Dibenz[ah]anthracene 1.99 mg/kg Selenium 2.29 mg/kg Fluorene 2.57 mg/kg Carbazole 2.9 mg/kg Acenaphthene 3.57 mg/kg Indeno(1,2,3-cd)Pyrene 3.71 mg/kg Anthracene 3.91 mg/kg Benzo(b)Fluoranthene 7.99 mg/kg Benzo(a)Pyrene 8.32 mg/kg Benzo(k)Fluoranthene 9.13 mg/kg Cadmium and compounds 10.0 mg/kg Chrysene 12.1 mg/kg Silver and compounds 18.1 mg/kg Cobalt 20.8 mg/kg Pyrene 24.3 mg/kg Fluoranthene 28.2 mg/kg Chromium 31.0 mg/kg Vanadium 43.9 mg/kg Arsenic 52.3 mg/kg Nickel (Soluble Salts) 53.3 mg/kg Copper and compounds 57.7 mg/kg Lead 220.0 mg/kg Barium 398.0 mg/kg Zinc 488.0 mg/kg Manganese and compounds 1947.0 mg/kg Aluminum 17514.0 mg/kg Iron 41182.0 mg/kg

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Site ID: SAAP-045

BLDG 9040 & CA. CYANAMIDE CONVEYOR

Spill Site Area

Cost

$240K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Groundwater: Medium Risk

NOT PROVIDED AT THIS TIME

Contaminants: Lead 68.0 ug/L Arsenic 80.0 ug/L Chromium 453.0 ug/L Barium 2600.0 ug/L Nitrate 21000.0 ug/L

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Site ID: SAAP-059

LAUNDRY FACILITY

Contaminated Buildings

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Groundwater: Low Risk

There are no barriers in place to prevent migration. The shallow groundwater underlying SFAAP was not utilized. The wells tapping the aquifer are generally low yielding wells that do not produce enough water for domestic use (USDA, 1990).

Contaminants: Trichlorofluoromethane 0.0018 ug/L

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel.

Contaminants: Trichlorofluoromethane 0.0035 mg/kg Chrysene 0.052 mg/kg Pyrene 0.1 mg/kg Fluoranthene 0.13 mg/kg Butyl Benzyl Phthalate 0.13 mg/kg Pentachlorophenol 0.13 mg/kg Bis(2-Ethylhexyl)Phthalate 3.58 mg/kg Diethyl Phthalate 19.5 mg/kg

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Site ID: SAAP-062

TRANSFORMER STORAGE WAREHOUSE 566-5

Storage Area

Cost

$290K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel.

Contaminants: PCBs 22.1 mg/kg

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Site ID: SAAP-057

CHEMICAL PREPARATION HOUSE

Contaminated Soil Piles

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Mercuric chloride 0.035 mg/kg Cadmium and compounds 0.486 mg/kg Selenium 0.761 mg/kg Silver and compounds 1.15 mg/kg Arsenic 5.77 mg/kg Chromium 21.1 mg/kg Lead 42.8 mg/kg Barium 160.0 mg/kg

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Site ID: SAAP-102

MAIN ELECTRICAL SWITCH YARD

Spill Site Area

Cost

$2.71M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel.

Contaminants: PCBs 7.3 mg/kg

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Site ID: SAAP-119

TRENCH DISPOSAL AREA A4

Contaminated Soil Piles

Cost

$30K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Cadmium and compounds 0.199 mg/kg Antimony and compounds 0.626 mg/kg Beryllium and compounds 0.804 mg/kg Arsenic 6.47 mg/kg Cobalt 11.2 mg/kg Copper and compounds 13.6 mg/kg Chromium 13.7 mg/kg Nickel (Soluble Salts) 19.7 mg/kg Lead 21.6 mg/kg Vanadium 32.6 mg/kg Zinc 36.5 mg/kg Barium 191.0 mg/kg Manganese and compounds 754.0 mg/kg Aluminum 9820.0 mg/kg Iron 19033.0 mg/kg

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Site ID: SAAP-111

FORCED AIR DRYERS

Surface Disposal Area

Cost

$935K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2021

Contaminated Areas

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Benz(a)Anthracene 0.023 mg/kg Mercuric chloride 0.033 mg/kg Anthracene 0.039 mg/kg Benzo(a)Pyrene 0.039 mg/kg Benzo(k)Fluoranthene 0.051 mg/kg Benzo(b)Fluoranthene 0.077 mg/kg Silver and compounds 0.16 mg/kg Chrysene 0.172 mg/kg Pentachlorophenol 0.27 mg/kg Pyrene 0.36 mg/kg Fluoranthene 0.523 mg/kg Cadmium and compounds 0.882 mg/kg Diethyl Phthalate 1.0 mg/kg Selenium 1.83 mg/kg Arsenic 9.69 mg/kg Nitramine 13.4 mg/kg Chromium 24.9 mg/kg Lead 124.0 mg/kg Barium 331.0 mg/kg

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Site ID: SAAP-112

PASTE AIR DRY FACILITIES

Surface Disposal Area

Cost

$1.04M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Mercuric chloride 0.027 mg/kg Silver and compounds 0.16 mg/kg Cadmium and compounds 0.35 mg/kg Nitroguanidine 0.71 mg/kg Pentachlorophenol 0.724 mg/kg Selenium 1.52 mg/kg Diethyl Phthalate 3.09 mg/kg Arsenic 8.73 mg/kg Chromium 24.0 mg/kg Barium 226.0 mg/kg Lead 513.0 mg/kg

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Site ID: SAAP-013

SOUTH ACID AREA LWTP EVAP. LAGOONS

Surface Impoundment/Lagoon

Cost

$240K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Low Risk

Lagon has been drained and filled Lagoon has been drained and filled.

Contaminants: Arsenic 8.2 mg/kg Lead 140.0 mg/kg Zinc 160.0 mg/kg Manganese and compounds 2900.0 mg/kg

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Site ID: SAAP-121

TRENCH DISPOSAL AREA A6

Contaminated Soil Piles

Cost

$30K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Cadmium and compounds 0.167 mg/kg Selenium 0.295 mg/kg Antimony and compounds 0.67 mg/kg Beryllium and compounds 0.708 mg/kg Arsenic 8.2 mg/kg Cobalt 10.5 mg/kg Chromium 12.6 mg/kg Copper and compounds 13.0 mg/kg Nickel (Soluble Salts) 17.3 mg/kg Lead 19.8 mg/kg Vanadium 28.2 mg/kg Zinc 35.7 mg/kg Barium 185.0 mg/kg Manganese and compounds 716.0 mg/kg Aluminum 8335.0 mg/kg Iron 17424.0 mg/kg

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Site ID: SAAP-110

STORAGE MAGAZINES NOT IN SAAP-15,16

Storage Area

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Mercuric chloride 0.0938 mg/kg Silver and compounds 0.13 mg/kg Nitroguanidine 0.79 mg/kg Cadmium and compounds 1.26 mg/kg Selenium 4.67 mg/kg Nitramine 5.31 mg/kg Arsenic 9.49 mg/kg Chromium 23.2 mg/kg Lead 207.0 mg/kg Barium 261.0 mg/kg

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Site ID: SAAP-065

TANK FARM

Above Ground Storage Tank

Cost

$2.69M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Groundwater: Low Risk

There are no barriers in place to prevent migration. The shallow groundwater underlying SFAAP was not utilized. The wells tapping the aquifer are generally low yielding wells that do not produce enough water for domestic use (USDA, 1990).

Contaminants: Mercuric chloride 0.19 ug/L Cadmium and compounds 1.26 ug/L Selenium 7.97 ug/L Arsenic 13.3 ug/L Chromium 38.8 ug/L Lead 85.3 ug/L Barium 1760.0 ug/L

Soil: Low Risk

Contamination could move, but is not moving appreciably. There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Mercuric chloride 0.046 mg/kg Anthracene 0.15 mg/kg Acenaphthene 0.19 mg/kg Indeno(1,2,3-cd)Pyrene 0.198 mg/kg Silver and compounds 0.2 mg/kg Benzo(k)Fluoranthene 0.355 mg/kg Benzo(a)Pyrene 0.355 mg/kg Chrysene 0.396 mg/kg Benzo(b)Fluoranthene 0.405 mg/kg Benz(a)Anthracene 0.405 mg/kg Pyrene 0.925 mg/kg Fluoranthene 0.95 mg/kg Selenium 1.49 mg/kg Cadmium and compounds 1.58 mg/kg Arsenic 9.3 mg/kg Chromium 22.9 mg/kg Lead 231.0 mg/kg Barium 278.0 mg/kg

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Site ID: SAAP-016

TEMPORARY WASTE STORAGE MAGAZINES

Storage Area

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Low Risk

Site workers in magazine Site laborersin contact with soil

Contaminants: Dieldrin 0.0064 mg/kg Acetone 0.091 mg/kg Chromium 28.6 mg/kg Lead 85.0 mg/kg Manganese and compounds 4290.0 mg/kg

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Site ID: SAAP-063

WATER TOWERS

Spill Site Area

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Mercuric chloride 0.0695 mg/kg Cadmium and compounds 1.02 mg/kg Selenium 1.2 mg/kg Arsenic 7.84 mg/kg Chromium 24.6 mg/kg Barium 207.0 mg/kg Lead 596.0 mg/kg

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Site ID: SAAP-064

PAPER BURNING GROUND

Burn Area

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Groundwater: Low Risk

There are no barriers in place to prevent migration. The shallow groundwater underlying SFAAP was not utilized. The wells tapping the aquifer are generally low yielding wells that do not produce enough water for domestic use (USDA, 1990).

Contaminants: Mercuric chloride 1.5 ug/L Acetone 10.0 ug/L Cadmium and compounds 10.0 ug/L Selenium 10.0 ug/L Lead 80.0 ug/L Silver and compounds 130.0 ug/L Arsenic 130.0 ug/L Chromium 180.0 ug/L Barium 980.0 ug/L

Soil: Low Risk

Contamination could move, but is not moving appreciably. There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel.

Contaminants: Naphthalene 0.0059 mg/kg Trichlorofluoromethane 0.0066 mg/kg Mercuric chloride 0.28 mg/kg Cadmium and compounds 0.954 mg/kg Selenium 1.23 mg/kg Silver and compounds 1.85 mg/kg Barium 2.18 mg/kg Arsenic 6.41 mg/kg Chromium 25.1 mg/kg Lead 93.4 mg/kg

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Site ID: CCSAAP-069

DISPOSAL AREA NORTH OF OLD QUARRY

Landfill

Cost

$688K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel.

Contaminants: Lead 137.0 mg/kg Copper and compounds 151.0 mg/kg Iron 15104.0 mg/kg

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Site ID: CCSAAP-061

ENVIRONMENTAL LABORATORY BLDG 232

Contaminated Soil Piles

Cost

$284K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Hexachlorobutadiene 0.0991 mg/kg Silver and compounds 0.203 mg/kg Selenium 0.229 mg/kg Bis(2-Ethylhexyl)Phthalate 0.372 mg/kg Beryllium and compounds 0.515 mg/kg Mercury (Methyl) 0.929 mg/kg Butyl Benzyl Phthalate 1.888 mg/kg Cadmium and compounds 3.67 mg/kg Arsenic 6.46 mg/kg Cobalt 10.1 mg/kg Copper and compounds 13.1 mg/kg Chromium 13.6 mg/kg Vanadium 18.5 mg/kg Nickel (Soluble Salts) 22.0 mg/kg Lead 23.9 mg/kg Zinc 82.9 mg/kg Barium 167.0 mg/kg Manganese and compounds 445.0 mg/kg Aluminum 7348.0 mg/kg Iron 10961.0 mg/kg

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Site ID: SAAP-105

CANON RANGE TUNNELS (FACILITY 303)

Firing Range

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Mercuric chloride 0.04 mg/kg Silver and compounds 0.28 mg/kg Cadmium and compounds 0.795 mg/kg Nitramine 1.7 mg/kg Selenium 2.94 mg/kg Arsenic 3.0 mg/kg Chromium 9.31 mg/kg Lead 79.4 mg/kg Barium 85.8 mg/kg Nitroguanidine 86.1 mg/kg

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Site ID: SAAP-018

OLD/NEW SANITARY LANDFILL

Landfill

Cost

$240K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2018

Contaminated Areas

Groundwater: Low Risk

NOT PROVIDED AT THIS TIME

Contaminants: 1,3-Dichloropropene 5.8 ug/L Selenium 12.0 ug/L Barium 230.0 ug/L Fluoride 300.0 ug/L Manganese and compounds 420.0 ug/L

Soil: Low Risk

Plant personnel and future construction workers may be exposed to soil. See pg 2-9 RCRA Facility Investigation (RFI) Report Jan 1993, Law Env. Plant personnel are occasionally using this site. See pg 2-9 RCRA Facility Investigation (RFI) Report Jan 1993, Law Env.

Contaminants: TCDD 0.00044 mg/kg Divinylene Oxide 0.0672 mg/kg Arsenic 3.6 mg/kg Chromium 4.6 mg/kg Cobalt 5.5 mg/kg Lead 16.0 mg/kg Copper and compounds 16.0 mg/kg Barium 180.0 mg/kg Manganese and compounds 300.0 mg/kg

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Site ID: SAAP-048

NITROGUANIDINE SUPPORT AREA

Contaminated Ground Water

Cost

$254K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Groundwater: Low Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK & PERCOLATES INTO GROUNDWATER. NOT PROVIDED AT THIS TIME

Contaminants: Manganese and compounds 220.0 ug/L Barium 240.0 ug/L Fluoride 600.0 ug/L Nitroguanidine 1500.0 ug/L Aluminum 1700.0 ug/L

Soil: Low Risk

RAIN RUNOFF DISCHARGES INTO KILL CREEK & PERCOLATES INTO GROUNDWATER. NOT PROVIDED AT THIS TIME

Contaminants: Antimony and compounds 3.0 mg/kg Arsenic 7.0 mg/kg Manganese and compounds 770.0 mg/kg Aluminum 11000.0 mg/kg

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Site ID: SAAP-030

PESTICIDE HANDLING AREA

Pesticide Shop

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Groundwater: Low Risk

Groundwater may migrate to surface water streems. Possible human contact with surface water in surface streams .

Contaminants: Endrin 0.15 ug/L Dieldrin 0.152 ug/L

Soil: Low Risk

Potential for soil movement during future development Potential for exposure by site workers.

Contaminants: Bis(p-Isocyanotophenyl) Methane 0.066 mg/kg Endrin 0.92 mg/kg 1-Methyl-4-Hydroxybenzene 1.0 mg/kg Chlordane 2.94 mg/kg

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Site ID: SAAP-017

G-LINE AREA DITCHES

Drainage Ditch

Cost

$2.74M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Groundwater: Low Risk

discharge to surface streams Some chance of human contact with surface streams leavng the site.

Contaminants: Lead 0.014 ug/L Chromium 0.07 ug/L 1,3-Dinitrobenzene 0.257 ug/L Manganese and compounds 4.94 ug/L

Soil: Low Risk

Exposure to site workders via dust. on-site construction workers.

Contaminants: Lead 43.1 mg/kg Manganese and compounds 3250.0 mg/kg

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Site ID: SAAP-117

NITROGUANIDINE PRODUCTION BUILDINGS

Contaminated Buildings

Cost

$2.9M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Groundwater: Low Risk

There are no barriers in place to prevent migration. The shallow groundwater underlying SFAAP is not utilized. The wells tapping the aquifer are generally low yielding wells and groundwater is not available in sufficient quantity.

Contaminants: Manganese and compounds 140.0 ug/L Barium 280.0 ug/L Iron 540.0 ug/L Aluminum 750.0 ug/L

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel.

Contaminants: Nitramine 4.66 mg/kg

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Site ID: SAAP-019

ASH LANDFILLS

Landfill

Cost

$174K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Groundwater: Low Risk

RE: Final RCRA Facility Investigation Report Addendum For SWMUs 18/19, June 1997.

Contaminants: 1,3-Dichloropropene 5.8 ug/L Selenium 12.0 ug/L Barium 230.0 ug/L Fluoride 300.0 ug/L Manganese and compounds 420.0 ug/L

Soil: Low Risk

Plant employees and farm/ranch workers are occasionally exposed to soil at the site. Future construction workers may also be occasionally exposed. See pg 2-9 RCRA Facility Investigation (RFI) Report Jan 1993, Law Env. Plant employees and farm/ranch workers occasionally use the site. See pg 2-9 RFI Report, Jan 1993, Law Env. RFI for the Old/New Sanitary Landfills and Ash Landfill was competed June 30, 1997.

Contaminants: TCDD 0.00044 mg/kg Divinylene Oxide 0.0672 mg/kg Lead 16.0 mg/kg Manganese and compounds 300.0 mg/kg

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Site ID: SAAP-027

NQ AREA SAC & LWTP EVAP. LAGOONS

Surface Impoundment/Lagoon

Cost

$441K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2021

Contaminated Areas

Soil: Low Risk

Lagoon has been drained and filled Lagoon has been drained and filled.

Contaminants: Nitroguanidine 2.9 mg/kg Free cyanide 9.2 mg/kg Cobalt 28.0 mg/kg Lead 45.0 mg/kg Zinc 56.0 mg/kg Manganese and compounds 1500.0 mg/kg

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Site ID: SAAP-120

TRENCH DISPOSAL AREA A5

Contaminated Soil Piles

Cost

Unknown

Final Cleanup Action

Oct 2018

Contaminated Areas

Soil: Low Risk

There are no barriers in place to prevent migration. Access to the site is restricted to authorized personnel. The site is currently leased as pasture for cattle.

Contaminants: Trichloroethylene (TCE) 0.00156 mg/kg 1,2-Dichloroethylene (cis) 0.00567 mg/kg Cadmium and compounds 0.17 mg/kg Selenium 0.354 mg/kg Antimony and compounds 0.383 mg/kg Beryllium and compounds 0.563 mg/kg Arsenic 5.44 mg/kg Cobalt 8.15 mg/kg Chromium 9.36 mg/kg Copper and compounds 12.8 mg/kg Nickel (Soluble Salts) 15.8 mg/kg Lead 17.5 mg/kg Vanadium 25.7 mg/kg Zinc 38.4 mg/kg Barium 169.0 mg/kg Manganese and compounds 665.0 mg/kg Aluminum 5791.0 mg/kg Iron 11488.0 mg/kg

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Site ID: SAAP-041

CALCIUM CARBONATE CAKE LANDFILL

Landfill

Cost

$1.05M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jul 2001

Site ID: SAAP-011

F-LINE AREA SETTLING PONDS

Surface Impoundment/Lagoon

Cost

$1.02M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2001

Site ID: SAAP-042

TEMPORARY SANITARY LANDFILL

Landfill

Cost

$649K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2001

14 Inactive Sites

Sites where military cleanup actions are complete, according to the DOD. Note that this status does not necessarily mean the site is no longer hazardous, as many of these sites are put under long-term monitoring or other restrictions.

Site ID: SAAP-001-R-01

CANNON RANGE TUNNELS - MR

Unexploded Munitions and Ordnance Area

Cost

Unknown

Final Cleanup Action

Aug 2003

Site ID: SAAP-002-R-01

NEW EXPLOSIVE WASTE BURNING GROUND

Unexploded Munitions and Ordnance Area

Cost

Unknown

Final Cleanup Action

Aug 2003

Site ID: SAAP-106

PROCESS FACILITIES WITH F-LINE AREA

Drainage Ditch

Cost

Unknown

Final Cleanup Action

Sep 2011

Site ID: SAAP-109

OIL & PAINT HOUSE, SOUTH ACID

POL (Petroleum/Oil/Lubricants) Lines

Cost

Unknown

Final Cleanup Action

Aug 2011

Site ID: SAAP-108

FUEL OIL STORAGE TANK, SOUTH ACID

Above Ground Storage Tank

Cost

Unknown

Final Cleanup Action

Aug 2011

Site ID: SAAP-107

TRUCK MAINTENANCE SHOP, SOUTH ACID

POL (Petroleum/Oil/Lubricants) Lines

Cost

Unknown

Final Cleanup Action

Aug 2011

Site ID: SAAP-104

DISPOSAL AREA SOUTHEAST OF STP

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Apr 2008

Site ID: SAAP-060

OLD PHOTOGRAPHIC LABORATORY

Contaminated Buildings

Cost

Unknown

Final Cleanup Action

Aug 2010

Site ID: SAAP-028

WASTE CALCIUM CARBIDE TREATMENT

Surface Disposal Area

Cost

Unknown

Final Cleanup Action

Apr 1980

Site ID: SAAP-029

INDUNDERGROUND STORAGE TANKSRIAL WASTEWATER LAGOONS

Surface Impoundment/Lagoon

Cost

Unknown

Final Cleanup Action

Apr 1980

Site ID: SAAP-056

WELL SOUTH OF FACILITY 211

Contaminated Ground Water

Cost

Unknown

Final Cleanup Action

Mar 2003

This site is under ongoing monitoring until Aug 2011

Site ID: SAAP-049

ROAD SOUTHEAST OF SANITARY LANDFILL

Contaminated Fill

Cost

Unknown

Final Cleanup Action

Apr 2008

Site ID: PBC SUNFLOWER

SITE WIDE GFPR

Site Never Existed

Cost

Unknown

Final Cleanup Action

Jan 2008

Site ID: SAAP-023

NEW EXPLOSIVE WASTE BURNING GROUND

Burn Area

Cost

Unknown

Final Cleanup Action

Sep 1999

Update (Dec. 5, 2017): We have changed the source of the installation cost data after being notified by the Department of Defense that they erroneously reported their own cost figures on the DERP website. We are now displaying the costs the department says are the most accurate available, from the Pentagon’s DERP database that we received in a FOIA request.

Note: The risk level of a site refers to a relative risk assessment made by the DOD to prioritize the cleanup of sites.

Data: All data comes from the Defense Environmental Restoration Program and the U.S. Army Corps of Engineers, and will be released soon at the ProPublica Data Store. Read our methodology »