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Site Report: Alaska Regional Hospital

Site Name: Alaska Regional Hospital
Address: 2801 DeBarr Road, Anchorage, AK 99508
File Number: 2100.26.183
Hazard ID: 24806
Status: Cleanup Complete - Institutional Controls
Staff: IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude: 61.210700
Longitude: -149.827400
Horizontal Datum:NAD83

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.

Problems/Comments

DRO Contamination found at 12' during UST iclosure investigation by Geo-Engineers of a 2,000-gal diesel UST that served as source for an emergency generator. More extensive diesel contamination found while removing the UST (10/98). The site was filled with clean backfill 11/98, a new UST installed. GW contamination has attenuated below ADEC cleanup levels and all monitoring wells were decommissioned and approved. Soil contamination above cleanup levels remains at the site but is unable to be removed due to its proximity to the foundation of nearby structures. The site is Conditionally Closed with Institutional Controls in place. The site was reopened in 2009 due to Responsible Party not signing Notice of Environmental Contamination document and Recording at State Recorders office. Documents were signed on June 14, 2012 and is Conditionally Closed with Institutional Controls.

Action Information

Action Date Action Description DEC Staff
8/20/1998 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 77671 Release discovered during in-place closure of 2,000-gallon diesel UST by Geo-Engineers. UST is located less than 4' north and approximately 5' below the foundation of the Emergency Vehicle Garage. Colin Basye
8/20/1998 Site Added to Database Colin Basye
10/22/1998 Underground Storage Tank Site Characterization or Assessment 2,000-gallon diesel UST removed as reported in a GeoEngineers Inc. UST Assessment Report. Approximately 40-60 gallons of diesel fuel was released from a temporary AST into the excavation on top of the prior release on 10/22/98. Colin Basye
11/2/1998 Leaking Underground Storage Tank Cleanup Initiated - Petroleum Approximately 110 cubic yards contaminated soil thermally remediated at Alaska Soils Recycling. Colin Basye
11/17/1998 Offsite Soil or Groundwater Disposal Approved Permission granted to Linder Construction to transport 55 cubic yards of DRO-contaminated soil in boxes to ASR for treatment. Colin Basye
4/7/1999 Update or Other Action Reviewed the GeoEngineers "UST Assessment, Alaska Regional Hospital" report dated 12/30/98 and received 1/13/99. Sent a letter concurring with the consultant's report conclusion that further investigation is needed at the site prior to the initiation of remedial action. Please submit receipts for the 100 cubic yards of ASR thermally treated soils. Colin Basye
11/24/1999 Document, Report, or Work plan Review - other The Dames and Moore "Work Plan, UST Release Investigation, Alaska Regional Hospital" dated 10/15/99 was received on 10/19/99 and reviewed this date by the ADEC. Need to include analysis for PAHs as highest soil DRO at 16 feet bgs=7,060 ppm. Eleanor Hung
11/29/1999 Update or Other Action DEC discussed revisions to the 10/15/99 Dames and Moore Work Plan, UST Release Investigation, Alaska Regional Hospital" via phone w/RP Consultant. A decision was made to analyze soil and ground water with 2 highest DRO samples of each matrix for PAHs and GRO in order to reduce costs. DEC approves final revision of work plan. Subsequent revised work plan received by the department 12/6/99. Eleanor Hung
12/7/1999 Site Characterization Workplan Approved DEC approved the final revision of the Dames and Moore "Revised Work Plan, UST Release Investigation, Alaska Regional Hospital" dated 11/29/99, received by the department 12/6/99, and sent a letter out to this effect after it was discussed with the RP consultant on 11/29/99. Eleanor Hung
6/13/2000 Long Term Monitoring Established Ground water sampling began. Lynne Bush
2/6/2001 Underground Storage Tank Site Characterization or Assessment A letter was sent to the RP after reviewing the URS "Report; UST Release Investigation, Alaska Regional Hospital" dated 11/10/00, received by the department 11/13/00. Additional investigation completed; letter to RP today asked for more investigation and remediation. Bush is now DEC PM for this site. Lynne Bush
3/30/2001 Leaking Underground Storage Tank Corrective Action Underway Reviewed and approved the URS "Work Plan, Well Installation and Groundwater Sampling, Alaska Regional Hospital" dated and received by the department 3/27/01. Lynne Bush
4/30/2001 Document, Report, or Work plan Review - other Reviewed and approved the URS "Work Plan Addendum, Well Installation and Groundwater Sampling, Alaska Regional Hospital" dated 4/18/01 and received by the department 4/19/01. Lynne Bush
9/24/2001 Offsite Soil or Groundwater Disposal Approved Approved the removal of purge water and soil from the site. On 10/12/01, approximately 50 gallons of purge water and approximately 1 ton of soil was removed from the site by Energy Recovery Services (ERS). The water was disposed of at ERS and the soil taken to Alaska Soil Recycling for thermal treatment. Bill Petrik
12/21/2001 Update or Other Action Site transferred Bush to Sundet. Lynne Bush
3/14/2006 Update or Other Action Site transferred from Sundet to Petrik. Bill Petrik
7/17/2006 Update or Other Action Latitude and longitude data gathered from TopoZone Pro Hi-Res Aerial Photo, Large Size Map, 1:3,333 Scale, No Topo Base Map, NAD 83 in conjunction with the Anchorage Area Atlas and Figures 1 and 2 of the URS "UST Release Investigation Report". dated 11/10/00. High degree of confidence in the accuracy of the site coordinates. Coordinates can only be improved by on-site GPS reading. Legal description added and landowner information updated. Bill Petrik
9/6/2006 Document, Report, or Work plan Review - other CSP staff finished review of the URS Corporation Report "UST Release Investigation; Alaska Regional Hospital; Anchorage, Alaska" dated October 25, 2001, received by the department on October 30, 2001. In response to the review, a letter was sent to the RP requesting a GW sampling work plan. Bill Petrik
11/14/2006 Document, Report, or Work plan Review - other The program reviewed the copy of the URS Corporation "Work Plan; Groundwater Monitoring - Alaska Regional Hospital; ADEC Facility I.D. # 1585, File No. 2100.26.183; 2801 DeBarr Road, Anchorage, AK", dated October 18, 2006, received by the program on 10/23/06, and sent a letter conditionally approving it. Conditions included adding another down gradient well to the wells sampled; submitting a blind duplicate sample; resurveying all monitoring well elevations; using an ADEC approved laboratory; off-site disposal of investigative derived wastes must be CSP approved; and a report within 45 of receiving the sampling data results. Bill Petrik
3/6/2007 Document, Report, or Work plan Review - other A letter was sent in response to the URS Corporation "Semi-Annual Groundwater Monitoring Report", dated January 12, 2007, and received by the CSP on 1/16/07. The report documented a November 2006 GW sampling event of three MWs at the site for GRO, DRO, and BTEX. All sampling results were non-detectable and below cleanup levels. Sampling of only MW-5 for DRO was requested in Spring 2007 as there were at least two consecutive sampling events for each of the other MWs for all other analytes that resulted in values below cleanup levels. In addition, a sampling of the MW-5 for PAHs was requested because it has the highest historic GW sampling results and is located in an area of the highest documented soil contamination. Soil and GW contamination has been documented immediately adjacent to and contaminants assumed to have migrated beneath a major structure near MW-5. Consequently, the potential for vapor intrusion exists and needs to be evaluated. In addition, If the results for all sampling return below cleanup levels and vapor intrusion levels, the site will be qualified for conditional closure. Bill Petrik
7/9/2007 Update or Other Action Received a copy of the URS "Semi-Annual Groundwater Monitoring Report, June 2007 Event, Alaska Regional Hospital" dated 6/29/07. Bill Petrik
9/25/2007 Long Term Monitoring Complete The CSP reviewed a copy of the URS Corporation "Well Decommissioning Report" dated 9/13/07 received by the CSP on 9/14/07. All five monitoring wells were decommissioned on 8/30/07. The risers were removed and screens left and the bore holes were filled from the bottom up with impervious grout material. Soil above cleanup levels still exists adjacent to and below the Power Generation Building. Decommissioning was approved in a CSP email dated 8/17/07. Bill Petrik
2/28/2008 Conditional Closure Approved After review of the URS Corporation "Semi-Annual Groundwater Monitoring Report, June 2007 Event; Alaska Regional Hospital; 2801 DeBarr Road, Anchorage, Alaska; Facility I.D. # 1585, File 2100.26.183" dated June 29, 2007, received on 7/9/07, the Contaminated Sites Program sent a Cover Letter, Notice of Environmental Contamination, and a Record of Decision to the responsible party on this date. Bill Petrik
2/28/2008 Institutional Control Record Established As part of the Conditional Closure Established for the site this date, the determination is subject to the following conditions: 1. An institutional control in the form of a deed notice (i.e., Notice of Environmental Contamination (NEC) shall be recorded in the State Recorder’s Office that identifies the nature and extent of contamination at the property and any conditions that the owners and operators are subject to in accordance with this decision document. The NEC shall be filed with the State Recorder’s Office within thirty (30) days of receipt of this ROD and accompanying letter. A copy of the recorded notice shall be provided to ADEC within forty-five (45) days of receipt of this ROD and accompanying letter. The Institutional Control will also be recorded on the ADEC Contaminated Sites Program’s database to document that there is hazardous substance contamination remaining on this site above the most stringent ADEC cleanup levels. 2. Subsurface vapor intrusion into buildings within 100’ of the contaminated soil may pose a risk to human health or the environment if current land use, site conditions, or building usage changes. Any change in any of these will be reported to the CSP for evaluation of potential indoor air vapor intrusion. 3. Soil above 18 AAC 75.341 Method 2 cleanup levels is documented to still exist immediately adjacent to and beneath the Power & Generator Building structure, closest to the former tank locations. If future construction activities occur so as to make the contaminated soils in this location accessible, a plan must be submitted for approval for characterization and removal of any accessible soil in the area of the former tank location. 4. Residual contaminated soil or groundwater may not be moved on site, or transported or disposed off-site, without ADEC’s prior written approval. In the event contaminated soil or groundwater is proposed to be excavated, moved, or disposed, including movement or disposal on or off site, the facility owner or operator shall contact ADEC for the prior review and approval of the proposed activity in accordance with 18 AAC 78.274(b). 5. The installation of groundwater wells is prohibited without the approval of ADEC. Bill Petrik
5/8/2009 Update or Other Action A letter was sent this date reminding the responsible party (RP) that after 14 months since Closure with ICs, the condition of supplying the program with a copy of the Notice of Environmental Contamination (NEC) as part of the Record of Decision has not yet been satisfied despite numerous documented telephone conversations with the RP reminding them of the requirement. A copy of the NEC is requested by 6/15/09. If the NEC is not received at that time the site Cleanup Complete Status will be revoked and the site relegated to Active Status. Bill Petrik
7/17/2009 Site Reopened In response to the failure of the responsible party (RP) to not supply the CSP with a copy of the Notice of Environmental Contamination (NEC) as part of the Record of Decision by 6/15/09 as requested in the CSP letter dated 5/8/09, the “Closure Complete” Status has been rescinded in the CSP DB and remanded to “Active” until a time that the NEC is supplied to the CSP. Bill Petrik
12/23/2009 Update or Other Action The Cover Letter for the Updated Notice of Environmental Contamination (NEC) and Record of Decision (ROD) was sent to the RP. The letter indicated that the new documents are to replace the original documents sent by the CSP 2/28/08. Bill Petrik
12/24/2009 Update or Other Action Updated/Amended Corrective Action Complete with ICs Determination documents were mailed this date: Amended Record of Decision (ROD); the Notice of Environmental Contamination (NEC); and 2 attachments to the ROD. These are being sent to replace the original documents sent by the CSP 2/28/08. Those documents were not attempted to be submitted to the ADNR Recorder's Office (RO) until 10/09 and the RO rejected them because new submittal criteria for these types of documents was established since the original doicuments were mailed to the RP in 2008. The site will remain reopened until the NEC and "Attachment A: Cleanup Complete-ICs Agreement and Signature Page" is submitted to the CSP by the RP. Bill Petrik
6/14/2012 Cleanup Complete Determination Issued As of today site has been determined Cleanup Complete with Institutional Controls Katrina Chambon
7/2/2012 Update or Other Action Staff changed from Katrina Chambon to IC Unit. Kristin Thompson
7/3/2012 Institutional Control Compliance Review IC review conducted and reminder system set-up for 2014 follow-up with responsible party. Kristin Thompson
1/2/2015 Institutional Control Update An IC reminder letter was issued to the responsible party on this date. Kristin Thompson
9/11/2020 Institutional Control Compliance Review Mailing address and info updated for RP and registered agent. IC Reminder sent on this date. 5 year review, next due 2025. Cascade Galasso-Irish
10/15/2025 Institutional Control Compliance Review IC compliance review completed on this date. An IC reminder letter was issued to the landowner. The next review will be in five years’ time. Gaige Robinson

Contaminant Information

Name Level Description Media Comments
Benzene Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil
Ethylbenzene Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation SoilSoil
DRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil

Control Type

Type Details
CS Database Notation And Letter To Landowner/RP
Notice of Environmental Contamination

Requirements

Description Details
Excavation / Soil Movement Restrictions Residual contaminated soil or groundwater may not be moved on site, or transported or disposed off-site, without ADEC’s prior written approval. In the event contaminated soil or groundwater is proposed to be excavated, moved, or disposed, including movement or disposal on or off site, the facility owner or operator shall contact ADEC for the prior review and approval of the proposed activity in accordance with 18 AAC 78.274(b). None.
Periodic Review Subsurface vapor intrusion into buildings within 100 feet of the contaminated soil may pose a risk to human health or the environment if current land use, site conditions, or building usage changes. Any change in any of these will be reported to the CSP for evaluation of potential indoor air vapor intrusion. None.
Groundwater Use Restrictions The installation of groundwater wells is prohibited without the approval of ADEC. None.
Advance approval required to transport soil or groundwater off-site. Residual contaminated soil or groundwater may not be moved on site, or transported or disposed off-site, without ADEC’s prior written approval. In the event contaminated soil or groundwater is proposed to be excavated, moved, or disposed, including movement or disposal on or off site, the facility owner or operator shall contact ADEC for the prior review and approval of the proposed activity in accordance with 18 AAC 78.274(b). The facility owner or operator shall contact the ADEC for the prior review and approval of any contaminated soil or groundwater that is proposed to be excavated, moved, or disposed, including movement or disposal on or off site, in accordance with 18 AAC 78.274(b).
When Contaminated Soil is Accessible, Remediation Should Occur Soil above 18 AAC 75.341 Method 2 cleanup levels is documented to still exist immediately adjacent to and beneath the PGB building structure, closest to the former tank locations. If future construction activities occur so as to make the contaminated soils in this location accessible, a plan must be submitted for approval for characterization and removal of any accessible soil in the area of the former tank location. If future construction activities occur so as to make the contaminated soils in this location accessible, a plan must be submitted for approval for characterization and removal of any accessible soil in the area of the former tank location.
Other Subsurface vapor intrusion into buildings within 100 feet of the contaminated soil may pose a risk to human health or the environment if current land use, site conditions, or building usage changes. Any change in any of these will be reported to the CSP for evaluation of potential indoor air vapor intrusion. Any change in the current land use, site conditions, or building usage changes will be reported to the CSP for evaluation of potential indoor air vapor intrusion.

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State of Alaska Department of Environmental Conservation

P.O. Box 111800
Juneau, AK 99811-1800
Phone: 907-465-5066
Fax: 907-465-5245
TDD: 800-770-8973
Physical Location: 410 Willoughby