Site Report: Fort Greely SMDC SM1A 21+25 POL Spill

Site Name:	Fort Greely SMDC SM1A 21+25 POL Spill
Address:	Between E 5th and E Post Road, Fort Greely, AK 99731
File Number:	141.38.038
Hazard ID:	4552
Status:	Cleanup Complete - Institutional Controls
Staff:	Carly Jensen, 9072697558 carly.jensen@alaska.gov
Latitude:	63.976412
Longitude:	-145.710897
Horizontal Datum:	WGS84

We make every effort to ensure the data presented here is accurate based on the best available information currently on file with DEC. It is therefore subject to change as new information becomes available. We recommend contacting the assigned project staff prior to making decisions based on this information.

Site Chronology
IC / Closure Details
Documents
Associated Sites

Problems/Comments

This petroleum-contaminated site was identified while the SM-1A pipeline was being excavated during the BRAC program in 1997. During the pipeline removal, POL odor was observed by the excavation crew. The crew extended their excavation in this area to a depth of four feet bgs and removed the impacted material. One confirmation sample collected from the base of the excavation contained 2,600 mg/Kg DRO and was non-detect for GRO, RRO, BTEX and SVOCs. In 1998, three test pits were excavated to investigate the surface and subsurface soils at the location where petroleum odors were observed in the 1997 pipeline removal. Soil samples from two discrete depths within each test pit were submitted for laboratory analyses of DRO, RRO, GRO, BTEX and PAHs. All the samples met ADEC cleanup levels.

Action Information

Action Date	Action	Description	DEC Staff
1/10/2008	Site Added to Database	Site added to the database.	Mitzi Read
1/15/2008	Exposure Tracking Model Ranking	Initial ranking with ETM completed.	Deborah Williams
11/5/2008	Meeting or Teleconference Held	ADEC staff participated in the Restoration Advisory Board meeting for Fort Greely in Delta Junction. During the meeting, Glen Shonkwiler with the United States Army Space and Missile Defense Command presented the fieldwork that was completed during the 2008 field season at Fort Greely. The 2008 fieldwork included remediating the soil in the biocell at the South Tank Farm (STF); conducting further delineation of the subsurface soils at the STF; installing four groundwater monitoring wells in the Old Post area and downgradient of the STF; completing the investigation at the MOGAS fuel line in the Old Post area; conducting additional survey of the Jarvis Creek Munitions Burial site; and conducting additional investigation of the Building 675 vault. He also presented the work that was planned to be completed during 2009.	Deborah Williams
2/3/2009	Meeting or Teleconference Held	Contaminated Sites (CS) staff met with Glen Shonkwiler, US Army Space and Missile Defense Command/US Army Forces Strategic Command (SMDC/ARSTRAT), February 3. A draft decision document titled “Record of Decision for Nine Installation Restoration Program Sites Fort Greely, Alaska” (ROD) was discussed. CS staff communicated recommendations addressing changes proposed by SMDC on two of the nine sites. These changes differed from the “Proposed Plan” that was released to the public in June, 2008. Comments are being prepared and briefing documents updated to address the Draft ROD. Mr. Shonkwiler also discussed several sites that were evaluated and sampled in 2008 that may be included in another decision document this year. Future planning for remediation work at some sites was also discussed.	Tana Robert
4/3/2009	Update or Other Action	The Draft Record of Decision Nine Installation Restoration Program Sites Fort Greely, AK (December 2008) document review comments letter has been submitted to the Army contact, Glen Shonwiler. The nine sites include two sections of the nuclear reactor wastewater pipeline (BRAC sites 90 & 132), a petroleum spill site along the wastewater pipeline (Station 21 + 25), three old unpermitted landfills(BRAC sites 31, 32 & 88), USTs at a former laundry facility (BRAC site 103), a waste drum storage area (BRAC site 48), and an active refuse burn pit (BRAC site 89).	Tana Robert
8/31/2009	Cleanup Complete Determination Issued	2009 Record of Decision: No Further Remedial Action Planned with Dig Restrictions, Land Use Restrictions, and Five-Year Reviews	Tana Robert
10/21/2009	Document, Report, or Work plan Review - other	ADEC staff reviewed the document titled Draft 2008 Groundwater Monitoring and Data Analysis Report, Fort Greely, Alaska, dated March 2009. The Fort Greely groundwater monitoring program consists of monitoring wells that were installed during investigation activities on FGA from 1997 to the present. DEC approved a comprehensive groundwater monitoring approach in the 2005 Work Plan. Yearly modifications to the 2005 workplan are incorporated as needed to address environmental program objectives. Monitoring well locations and sampling frequency have been chosen to provide site specific monitoring where necessary, and comprehensive coverage for the old post and main cantonment areas of Fort Greely. Currently, a total of 30 wells are included in the groundwater monitoring program: 11 of these are sampled during the spring and fall on even numbered years, two drinking water wells are sampled quarterly, and 17 monitoring wells are sampled semi–annually. This report summarizes the 2008 groundwater monitoring efforts. A letter detailing staff comments has been provided to the Army.	Tana Robert
2/2/2010	Institutional Control Record Established	Institutional Controls established and entered into the database.	Tana Robert
6/2/2021	Document, Report, or Work plan Review - other	ADEC provided review comments for the "2nd Five-Year Review Report for the 2009 Record of Decision Installation Restoration Sites, Fort Greely, Alaska" to the U.S. Army on December 19, 2020. Responses to comments (RTCs) for those review comments were received April 9, 2021. Responses to the RTCs were provided to the U.S. Army on June 2, 2021. The 2nd Five-Year Review is intended to evaluate the effectiveness of site remedies at sites under the final 2009 Record of Decision.	Erica Blake
8/30/2021	Document, Report, or Work plan Review - other	ADEC provided comments for the Appendix E Draft Land Use Control Implementation Plan 2021 (dated July 30, 2021) to the U.S. Army. The document describes how the Army will implement land use controls at 13 Fort Greely sites.	Erica Blake
9/8/2021	Document, Report, or Work plan Review - other	ADEC provided responses to comments for the "Appendix E Draft Land Use Control Implementation Plan 2021" (dated July 30, 2021) to the U.S. Army. The document describes a plan for implementing land use controls at thirteen Fort Greely, Alaska (FGA) sites listed in a Record of Decision (ROD) or Decision Document (DD). A redline version of the document was requested for conducting a comment backcheck prior to approval.	Erica Blake
9/14/2021	Document, Report, or Work plan Review - other	ADEC has provided approval for the "Groundwater Sampling and Environmental Support Services Fort Greely, Alaska Final Work Plan 2021, Fort Greely, Alaska" (dated September 13, 2021) to the U.S. Army. The document includes the final Section 7 Waste Handling (approved April 27, 2021), final updated work plan and UFP-QAPP pages (approved July 30, 2021), and the final Appendix E land use control implementation plan (approved September 14, 2021). All the finalized sections have been compiled in this final work plan describing groundwater monitoring activities and a land use control implementation plan for various sites around Fort Greely.	Erica Blake
12/9/2021	Document, Report, or Work plan Review - other	ADEC acknowledged receipt of the 2nd Five-Year Review Report for the 2009 Record of Decision Installation Restoration Sites, Fort Greely, Alaska (Undated) to the U.S. Army. The document is the second Five-Year Review (FYR) for five Installation Restoration Program (IRP) sites located on Fort Greely, Alaska (FGA). The document was finalized without resolving comments from ADEC. Three sites (Former Landfills 4 and 5, Fuel Spill at Nuclear Reactor Wastewater Pipeline Station 21 + 25 and the Refuse Burn Pit) ADEC does not concur with the protectiveness determinations. The FYR did not account for potential human and ecological risks from emerging contaminants (such as PFAS). The FYR also did not address concern for sites needing notices of activity and use limitations (NAULs) placed on sites where contamination remains.	Erica Blake
7/27/2022	Document, Report, or Work plan Review - other	ADEC provided review comments for the Groundwater Sampling and Environmental Support Services Fort Greely, Alaska, Draft Groundwater Monitoring Report 2021, Fort Greely, Alaska (dated June 6, 2022). The document described results from land use control (LUC) inspections, well decommissioning, repair and redevelopment and groundwater sampling activities conducted during the 2021 field season. The document also included updated work plan addendum pages for upcoming 2022 fieldwork.	Erica Blake
9/9/2022	Document, Report, or Work plan Review - other	ADEC provided responses to comments for the Groundwater Sampling and Environmental Support Services Fort Greely, Alaska, Draft Groundwater Monitoring Report 2021, Fort Greely, Alaska (dated June 6, 2022) to the U.S. Army. The document described results from land use control (LUC) inspections, well decommissioning, repair and redevelopment and groundwater sampling activities conducted during the 2021 field season. The document also included updated work plan addendum pages for upcoming 2022 fieldwork. Responses to the review comments were received September 7, 2022. All responses were accepted except for one comment regarding decommissioning a monitoring well at the Tar and Asphalt Disposal Area. A draft-final redline version of the final document was requested for review and comment backcheck prior to ADEC providing any approvals on a final version of the document.	Erica Blake
9/20/2022	Document, Report, or Work plan Review - other	ADEC provided approval for the "Groundwater Sampling and Environmental Support Services Fort Greely, Alaska, Final Groundwater Monitoring Report 2021, Fort Greely, Alaska" (dated September 16, 2022) to the U.S. Army. Appended to the document were updated work plan pages for the upcoming 2022 field season, and the 2021 land use controls report. ADEC will work with the Army to obtain copies of background studies referenced in the 2021 Groundwater Sampling Report and verify the site boundaries for Landfill #7. With this document approval, the 2022 field work is expected to start September 26, 2022.	Erica Blake
8/16/2023	Long Term Monitoring Workplan or Report Review	DEC provided review comments for the "Draft Work Plan: Long Term Monitoring and Land Use Control Inspections Fort Greely, Alaska, Dated June 2023" to the U.S. Army. The work plan describes groundwater monitoring and land-use control inspection activities to be conducted at several sites across Fort Greely. The work is planned to occur fall 2023.	Erica Blake
8/24/2023	Long Term Monitoring Workplan or Report Review	DEC provided responses to comments for the Draft Work Plan: Long Term Monitoring and Land Use Control Inspections Fort Greely, Alaska (dated June 2023) to the U.S. Army. The work plan describes proposed activities for long-term monitoring at several Fort Greely sites. All responses to comments received were acceptable, however three comments were accepted with additional comments. A redline version of the work plan along with resumes from the contractor staff planning to complete the fieldwork was requested for review, prior to approval of the document. Work under this work plan is planned to occur fall 2023.	Erica Blake
9/15/2023	Long Term Monitoring Workplan or Report Review	DEC provided review comments for the "Groundwater Sampling and Environmental Support Services Fort Greely Alaska, Draft Groundwater Monitoring Report 2022 Fort Greely, Alaska Dated June 2023" to the U.S. Army. The document describes analytical findings and groundwater monitoring activities conducted in 2022 at Fort Greely, Alaska on multiple sites. Results from land use control/institutional control inspections at several sites are also included in the report.	Erica Blake
11/7/2023	Long Term Monitoring Workplan or Report Review	DEC provided responses to comments for the "Draft Groundwater Monitoring Report 2022 Fort Greely, Alaska Dated June 2023" to the U.S. Army. The report describes long-term monitoring activities conducted in 2022 (groundwater sampling, and land use control and institutional control inspections) at multiple sites around Fort Greely, Alaska. DEC requested additional responses and an updated redline version of the report be provided for additional review prior to any approval.	Erica Blake
1/12/2024	Long Term Monitoring Workplan or Report Review	DEC provided approval for the Groundwater Sampling and Environmental Support Services, Final Groundwater Monitoring Report 2022, Fort Greely, Alaska (dated November 21, 2023) to the U.S. Army. The report describes results from groundwater monitoring activities and land use control and institutional control inspections conducted at multiple sites around Fort Greely, Alaska during the 2022 field season. Long-term monitoring and institutional control inspections are expected to continue.	Erica Blake
5/31/2024	Document, Report, or Work plan Review - other	DEC reviewed Draft 2023 Long-Term Monitoring (LTM) Report Fort Greely, Alaska April 2024 and provided comments to the U.S. Army. This report details environmental activities performed at multiple sites located at Fort Greely, Alaska (FGA) during September 2023. LTM activities were carried out to comply with the Selected Remedies for the subject sites developed in the 2005 Environmental Sites Decision Document (DD), Fort Greely, Alaska and/or the 2009 Record of Decision (ROD), Nine Installation Restoration Program Sites Fort Greely, Alaska. The objective of the LTM activities was to perform annual groundwater sampling from select monitoring wells managed under the FGA LTM.	Carly Jensen
6/26/2024	Long Term Monitoring Workplan or Report Review	DEC reviewed Final 2023 Long-Term Monitoring (LTM) Report Fort Greely, Alaska June 2024 and provided comments to the U.S. Army. This report details environmental activities performed at multiple sites located at Fort Greely, Alaska (FGA) during September 2023. LTM activities were carried out to comply with the Selected Remedies for the subject sites developed in the 2005 Environmental Sites Decision Document (DD), Fort Greely, Alaska and/or the 2009 Record of Decision (ROD), Nine Installation Restoration Program Sites Fort Greely, Alaska. The objective of the LTM activities was to perform annual groundwater sampling from select monitoring wells managed under the FGA LTM. Final report and work plan addendum was reviewed and accepted on June 26, 2024.	Carly Jensen

Action Date

Action

Description

DEC Staff

1/10/2008

Site Added to Database

Site added to the database.

Mitzi Read

1/15/2008

Exposure Tracking Model Ranking

Initial ranking with ETM completed.

Deborah Williams

11/5/2008

Meeting or Teleconference Held

ADEC staff participated in the Restoration Advisory Board meeting for Fort Greely in Delta Junction. During the meeting, Glen Shonkwiler with the United States Army Space and Missile Defense Command presented the fieldwork that was completed during the 2008 field season at Fort Greely. The 2008 fieldwork included remediating the soil in the biocell at the South Tank Farm (STF); conducting further delineation of the subsurface soils at the STF; installing four groundwater monitoring wells in the Old Post area and downgradient of the STF; completing the investigation at the MOGAS fuel line in the Old Post area; conducting additional survey of the Jarvis Creek Munitions Burial site; and conducting additional investigation of the Building 675 vault. He also presented the work that was planned to be completed during 2009.

Deborah Williams

2/3/2009

Meeting or Teleconference Held

Contaminated Sites (CS) staff met with Glen Shonkwiler, US Army Space and Missile Defense Command/US Army Forces Strategic Command (SMDC/ARSTRAT), February 3. A draft decision document titled “Record of Decision for Nine Installation Restoration Program Sites Fort Greely, Alaska” (ROD) was discussed. CS staff communicated recommendations addressing changes proposed by SMDC on two of the nine sites. These changes differed from the “Proposed Plan” that was released to the public in June, 2008. Comments are being prepared and briefing documents updated to address the Draft ROD. Mr. Shonkwiler also discussed several sites that were evaluated and sampled in 2008 that may be included in another decision document this year. Future planning for remediation work at some sites was also discussed.

Tana Robert

4/3/2009

Update or Other Action

The Draft Record of Decision Nine Installation Restoration Program Sites Fort Greely, AK (December 2008) document review comments letter has been submitted to the Army contact, Glen Shonwiler. The nine sites include two sections of the nuclear reactor wastewater pipeline (BRAC sites 90 & 132), a petroleum spill site along the wastewater pipeline (Station 21 + 25), three old unpermitted landfills(BRAC sites 31, 32 & 88), USTs at a former laundry facility (BRAC site 103), a waste drum storage area (BRAC site 48), and an active refuse burn pit (BRAC site 89).

Tana Robert

8/31/2009

Cleanup Complete Determination Issued

2009 Record of Decision: No Further Remedial Action Planned with Dig Restrictions, Land Use Restrictions, and Five-Year Reviews

Tana Robert

10/21/2009

Document, Report, or Work plan Review - other

ADEC staff reviewed the document titled Draft 2008 Groundwater Monitoring and Data Analysis Report, Fort Greely, Alaska, dated March 2009. The Fort Greely groundwater monitoring program consists of monitoring wells that were installed during investigation activities on FGA from 1997 to the present. DEC approved a comprehensive groundwater monitoring approach in the 2005 Work Plan. Yearly modifications to the 2005 workplan are incorporated as needed to address environmental program objectives. Monitoring well locations and sampling frequency have been chosen to provide site specific monitoring where necessary, and comprehensive coverage for the old post and main cantonment areas of Fort Greely. Currently, a total of 30 wells are included in the groundwater monitoring program: 11 of these are sampled during the spring and fall on even numbered years, two drinking water wells are sampled quarterly, and 17 monitoring wells are sampled semi–annually. This report summarizes the 2008 groundwater monitoring efforts. A letter detailing staff comments has been provided to the Army.

Tana Robert

2/2/2010

Institutional Control Record Established

Institutional Controls established and entered into the database.

Tana Robert

6/2/2021

Document, Report, or Work plan Review - other

ADEC provided review comments for the "2nd Five-Year Review Report for the 2009 Record of Decision Installation Restoration Sites, Fort Greely, Alaska" to the U.S. Army on December 19, 2020. Responses to comments (RTCs) for those review comments were received April 9, 2021. Responses to the RTCs were provided to the U.S. Army on June 2, 2021. The 2nd Five-Year Review is intended to evaluate the effectiveness of site remedies at sites under the final 2009 Record of Decision.

Erica Blake

8/30/2021

Document, Report, or Work plan Review - other

ADEC provided comments for the Appendix E Draft Land Use Control Implementation Plan 2021 (dated July 30, 2021) to the U.S. Army. The document describes how the Army will implement land use controls at 13 Fort Greely sites.

Erica Blake

9/8/2021

Document, Report, or Work plan Review - other

ADEC provided responses to comments for the "Appendix E Draft Land Use Control Implementation Plan 2021" (dated July 30, 2021) to the U.S. Army. The document describes a plan for implementing land use controls at thirteen Fort Greely, Alaska (FGA) sites listed in a Record of Decision (ROD) or Decision Document (DD). A redline version of the document was requested for conducting a comment backcheck prior to approval.

Erica Blake

9/14/2021

Document, Report, or Work plan Review - other

ADEC has provided approval for the "Groundwater Sampling and Environmental Support Services Fort Greely, Alaska Final Work Plan 2021, Fort Greely, Alaska" (dated September 13, 2021) to the U.S. Army. The document includes the final Section 7 Waste Handling (approved April 27, 2021), final updated work plan and UFP-QAPP pages (approved July 30, 2021), and the final Appendix E land use control implementation plan (approved September 14, 2021). All the finalized sections have been compiled in this final work plan describing groundwater monitoring activities and a land use control implementation plan for various sites around Fort Greely.

Erica Blake

12/9/2021

Document, Report, or Work plan Review - other

ADEC acknowledged receipt of the 2nd Five-Year Review Report for the 2009 Record of Decision Installation Restoration Sites, Fort Greely, Alaska (Undated) to the U.S. Army. The document is the second Five-Year Review (FYR) for five Installation Restoration Program (IRP) sites located on Fort Greely, Alaska (FGA). The document was finalized without resolving comments from ADEC. Three sites (Former Landfills 4 and 5, Fuel Spill at Nuclear Reactor Wastewater Pipeline Station 21 + 25 and the Refuse Burn Pit) ADEC does not concur with the protectiveness determinations. The FYR did not account for potential human and ecological risks from emerging contaminants (such as PFAS). The FYR also did not address concern for sites needing notices of activity and use limitations (NAULs) placed on sites where contamination remains.

Erica Blake

7/27/2022

Document, Report, or Work plan Review - other

ADEC provided review comments for the Groundwater Sampling and Environmental Support Services Fort Greely, Alaska, Draft Groundwater Monitoring Report 2021, Fort Greely, Alaska (dated June 6, 2022). The document described results from land use control (LUC) inspections, well decommissioning, repair and redevelopment and groundwater sampling activities conducted during the 2021 field season. The document also included updated work plan addendum pages for upcoming 2022 fieldwork.

Erica Blake

9/9/2022

Document, Report, or Work plan Review - other

ADEC provided responses to comments for the Groundwater Sampling and Environmental Support Services Fort Greely, Alaska, Draft Groundwater Monitoring Report 2021, Fort Greely, Alaska (dated June 6, 2022) to the U.S. Army. The document described results from land use control (LUC) inspections, well decommissioning, repair and redevelopment and groundwater sampling activities conducted during the 2021 field season. The document also included updated work plan addendum pages for upcoming 2022 fieldwork. Responses to the review comments were received September 7, 2022. All responses were accepted except for one comment regarding decommissioning a monitoring well at the Tar and Asphalt Disposal Area. A draft-final redline version of the final document was requested for review and comment backcheck prior to ADEC providing any approvals on a final version of the document.

Erica Blake

9/20/2022

Document, Report, or Work plan Review - other

ADEC provided approval for the "Groundwater Sampling and Environmental Support Services Fort Greely, Alaska, Final Groundwater Monitoring Report 2021, Fort Greely, Alaska" (dated September 16, 2022) to the U.S. Army. Appended to the document were updated work plan pages for the upcoming 2022 field season, and the 2021 land use controls report. ADEC will work with the Army to obtain copies of background studies referenced in the 2021 Groundwater Sampling Report and verify the site boundaries for Landfill #7. With this document approval, the 2022 field work is expected to start September 26, 2022.

Erica Blake

8/16/2023

Long Term Monitoring Workplan or Report Review

DEC provided review comments for the "Draft Work Plan: Long Term Monitoring and Land Use Control Inspections Fort Greely, Alaska, Dated June 2023" to the U.S. Army. The work plan describes groundwater monitoring and land-use control inspection activities to be conducted at several sites across Fort Greely. The work is planned to occur fall 2023.

Erica Blake

8/24/2023

Long Term Monitoring Workplan or Report Review

DEC provided responses to comments for the Draft Work Plan: Long Term Monitoring and Land Use Control Inspections Fort Greely, Alaska (dated June 2023) to the U.S. Army. The work plan describes proposed activities for long-term monitoring at several Fort Greely sites. All responses to comments received were acceptable, however three comments were accepted with additional comments. A redline version of the work plan along with resumes from the contractor staff planning to complete the fieldwork was requested for review, prior to approval of the document. Work under this work plan is planned to occur fall 2023.

Erica Blake

9/15/2023

Long Term Monitoring Workplan or Report Review

DEC provided review comments for the "Groundwater Sampling and Environmental Support Services Fort Greely Alaska, Draft Groundwater Monitoring Report 2022 Fort Greely, Alaska Dated June 2023" to the U.S. Army. The document describes analytical findings and groundwater monitoring activities conducted in 2022 at Fort Greely, Alaska on multiple sites. Results from land use control/institutional control inspections at several sites are also included in the report.

Erica Blake

11/7/2023

Long Term Monitoring Workplan or Report Review

DEC provided responses to comments for the "Draft Groundwater Monitoring Report 2022 Fort Greely, Alaska Dated June 2023" to the U.S. Army. The report describes long-term monitoring activities conducted in 2022 (groundwater sampling, and land use control and institutional control inspections) at multiple sites around Fort Greely, Alaska. DEC requested additional responses and an updated redline version of the report be provided for additional review prior to any approval.

Erica Blake

1/12/2024

Long Term Monitoring Workplan or Report Review

DEC provided approval for the Groundwater Sampling and Environmental Support Services, Final Groundwater Monitoring Report 2022, Fort Greely, Alaska (dated November 21, 2023) to the U.S. Army. The report describes results from groundwater monitoring activities and land use control and institutional control inspections conducted at multiple sites around Fort Greely, Alaska during the 2022 field season. Long-term monitoring and institutional control inspections are expected to continue.

Erica Blake

5/31/2024

Document, Report, or Work plan Review - other

DEC reviewed Draft 2023 Long-Term Monitoring (LTM) Report Fort Greely, Alaska April 2024 and provided comments to the U.S. Army. This report details environmental activities performed at multiple sites located at Fort Greely, Alaska (FGA) during September 2023. LTM activities were carried out to comply with the Selected Remedies for the subject sites developed in the 2005 Environmental Sites Decision Document (DD), Fort Greely, Alaska and/or the 2009 Record of Decision (ROD), Nine Installation Restoration Program Sites Fort Greely, Alaska. The objective of the LTM activities was to perform annual groundwater sampling from select monitoring wells managed under the FGA LTM.

Carly Jensen

6/26/2024

Long Term Monitoring Workplan or Report Review

DEC reviewed Final 2023 Long-Term Monitoring (LTM) Report Fort Greely, Alaska June 2024 and provided comments to the U.S. Army. This report details environmental activities performed at multiple sites located at Fort Greely, Alaska (FGA) during September 2023. LTM activities were carried out to comply with the Selected Remedies for the subject sites developed in the 2005 Environmental Sites Decision Document (DD), Fort Greely, Alaska and/or the 2009 Record of Decision (ROD), Nine Installation Restoration Program Sites Fort Greely, Alaska. The objective of the LTM activities was to perform annual groundwater sampling from select monitoring wells managed under the FGA LTM. Final report and work plan addendum was reviewed and accepted on June 26, 2024.

Carly Jensen

Contaminant Information

Name	Level Description	Media	Comments
DRO	Other	Soil	Institutional controls are being implemented as a conservative measure. The DRO concentration of 2600 mg/kg was a result of confirmation sampling during the pipeline removal. Subsequent efforts to locate the hot spot were unsuccessful. The highest level of DRO detected during a 2006 investigation of the area was 6.3 mg/kg. The contaminant is isolated and not reflective of overall site conditions.

Name

Level Description

Media

Comments

DRO

Other

Soil

Institutional controls are being implemented as a conservative measure. The DRO concentration of 2600 mg/kg was a result of confirmation sampling during the pipeline removal. Subsequent efforts to locate the hot spot were unsuccessful. The highest level of DRO detected during a 2006 investigation of the area was 6.3 mg/kg. The contaminant is isolated and not reflective of overall site conditions.

Control Type

Type	Details
Land Use Plan / Maps / Base Master Plan	2009 Record of Decision: No sub-surface intrusion or construction without coordination with DEC and remediation if required. Restrictions manintained in Ft. Greely's Administrative Control GIS Database and Master Plan. Dig Permits Required. Five-year Reviews to monitor dig restriction and land-use controls effectiveness.

Type

Details

Land Use Plan / Maps / Base Master Plan

2009 Record of Decision: No sub-surface intrusion or construction without coordination with DEC and remediation if required. Restrictions manintained in Ft. Greely's Administrative Control GIS Database and Master Plan. Dig Permits Required. Five-year Reviews to monitor dig restriction and land-use controls effectiveness.

Requirements

Description	Details
Advance approval required to transport soil or groundwater off-site.
Excavation / Soil Movement Restrictions	Dig restrictions and land use controls will be used to prevent subsurface intrusion.
Restricted to Industrial / Commercial Land Use	Future land use is restricted to industrial or "green space" (no usage).

Description

Details

Advance approval required to transport soil or groundwater off-site.

Excavation / Soil Movement Restrictions

Dig restrictions and land use controls will be used to prevent subsurface intrusion.

Restricted to Industrial / Commercial Land Use

Future land use is restricted to industrial or "green space" (no usage).

Fort Greely Nine Installation Restoration Sites Record of Decision

No associated sites were found.

Missing Location Data

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Alaska Department of Environmental Conservation

Site Report: Fort Greely SMDC SM1A 21+25 POL Spill

Site Chronology

IC / Closure Details

Documents

Associated Sites

Problems/Comments

Action Information

Contaminant Information

Control Type

Requirements

Fort Greely Nine Installation Restoration Sites Record of Decision

Missing Location Data

State of Alaska Department of Environmental Conservation