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Site Report: ASD Facilities and Maintenance Complex


Site Name: ASD Facilities and Maintenance Complex
Address: 1301 Labar Street, Anchorage, AK 99507
File Number: 2100.26.293
Hazard ID: 24606
Status: Cleanup Complete - Institutional Controls
Staff: IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude: 61.112685
Longitude: -149.858624
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

FKA L68.18 In July of 1997 three USTs were removed by Gilfilian Engineering and Environmental Testing, Inc. One was a 6,000 gallon diesel tank and two were 10,000 gallon gasoline tanks. Contamination at the site is related to these tanks, remediation included free product removal, removal of non-contaminated material, removal and treatment of contaminated material and restoration of the site. There is on-going groundwater monitoring that began as quarterly and was reduced to semi-annually. Levels in monitoring well (MW) #14 have fluctuated over the years, possibly due to the fact that it is in a run off pathway and may be impacted by contamination from the parking lot. A work plan to replace MW #14 has been submitted by R&M Consultants. ADEC has requested more information in order to approve the work plan. R&M Consultants will continue to provide groundwater monitoring reports. The work plan for the replacement of MW #14 was approved 1-23-09. Groundwater flow direction has been interpreted, by R&M Consultants, to be both irregular and to the west. Moving MW #14 to the east will remove it from the drainage path that follows the existing driveway and parking lot.

Action Information

Action Date Action Description DEC Staff
4/27/1998 Update or Other Action Received a copy of the R&M report "Facilities and Maintenance Complex" for ASD dated 4/1/98. Also received a copy of a "site Remediation Plan; Excavation and Treatment: Free Product Recovery, and Site Restoration", undated and unauthored. Lynne Bush
7/8/1998 Update or Other Action Approval to transport contaminated soils from the site to Alaska Soil Recycling. Please submit a report to Lynne Bush showing the total amount of soil hauled to ASR within 48 hours of completing the work. Tim Stevens
7/27/1998 Update or Other Action Received a copy of the R&M "Groundwater Monitoring Report, Facilities and Maintenance Complex" for ASD dated 6/26/98. Lynne Bush
9/2/1998 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 78061 (Added by zt_qryAddLustStatus) Lynne Bush
9/2/1998 Site Added to Database * Not Assigned
4/6/1999 Long Term Monitoring Established A letter was sent this date after review of the R&M Consultants, Inc. "Site Remediation Report" indicating that quarterly monitoring will be necessary. Please submit a workplan and schedule for continued monitoring. Lynne Bush
1/5/2000 Leaking Underground Storage Tank Cleanup Initiated - Petroleum * Not Assigned
7/7/2000 Update or Other Action Permission via an email to ASD was given this date to transport contaminated soils and water to ASR for remediation. Lynne Bush
2/27/2003 Underground Storage Tank Site Characterization or Assessment Work plan approved for additional investigation. Lynne Bush
7/24/2003 Update or Other Action Site transferred from Bush to Dreyer. Amanda Dreyer
7/25/2003 Report or Workplan Review - Other Sent a letter this date in response to review of a copy of the R&M "Groundwater Monitoring Report, Facilities and Maintenance Complex" dated 6/30/03 received 7/2/03. Requested continued quarterly GW sampling. Amanda Dreyer
10/28/2003 Update or Other Action Received a copy of the R&M "Groundwater Monitoring Report, Facilities and Maintenance Complex" for ASD dated 10/21/03. Amanda Dreyer
4/27/2004 Update or Other Action Received a copy of the R&M "Groundwater Monitoring Report, Facilities and Maintenance Complex" for ASD dated 3/26/04. Action entered by Petrik. David Pikul
12/9/2004 Update or Other Action Received a copy of the R&M "Groundwater Monitoring Report, Facilities and Maintenance Complex" for ASD dated11/19/04. 6/26/98. Action entered by Petrik. David Pikul
6/7/2005 Update or Other Action Received a copy of the R&M "Groundwater Monitoring Report, Facilities and Maintenance Complex" for ASD dated 5/6/05. Action entered by Petrik. David Pikul
2/1/2006 Update or Other Action Received a copy of the R&M "Groundwater Monitoring Report, Facilities and Maintenance Complex" for ASD dated 1/6/06. David Pikul
9/8/2006 Update or Other Action File number issued 2100.26.293 (FKA L68.18). Aggie Blandford
1/8/2007 Update or Other Action Received a copy of the R&M "Groundwater Monitoring Report, Facilities and Maintenance Complex" for ASD dated 1/8/07. Action entered by Petrik. David Pikul
6/6/2007 Update or Other Action Site management transferred from Pikul to Petrik. Shannon Oelkers
5/30/2008 Exposure Tracking Model Ranking Initial ranking. Bill Petrik
7/14/2008 Update or Other Action Updated the latitude and longitude, legal description, and landowners fields using web resources. Bill Petrik
9/29/2008 Update or Other Action Site transfered to Pam Clemens Pam Clemens
9/30/2008 Meeting or Teleconference Held Bill O'Connell and I met with Edie Knapp with ASD and Aaron Banks with R&M Consulting today to discuss active Anchorage school district sites. ASD Facilities and Maintenance Complex will have groundwater monitoring conducted by R&M and submit it this fall. I will also request reports from R&M dated 2005 and 2007. We also requested a short workplan for replacing well MW-14 at this location. Pam Clemens
10/22/2008 Update or Other Action Sent out a letter to ASD, their consultant, R&M Consulting, is conducting semi-annual groundwater monitoring at this site. ADEC has requested that ASD develop a work plan for replacing monitoring well MW-14, with the possibility of reducing the monitoring frequency to once a year. Pam Clemens
11/24/2008 Update or Other Action Reviewed Groundwater Monitoring Report dated January 8, 2007 for the samples taken 9-16-06. Only two monitoring wells were sampled (#4 & #14). The levels that were above ADEC Groundwater Cleanup Levels are listed here. Benzene was 0.016 mg/L, GRO was 12 mg/L and DRO was 2.9 mg/L in monitoring well #4. In monitoring well #14 Benzene was 2.5 mg/L, Toluene was 1.4 mg/L, Ethylbenzene was 1.1 mg/L and GRO was 36 mg/L. Continued groundwater monitoring is required. Pam Clemens
11/26/2008 Update or Other Action Received a replacement copy of the work plan that R&M submitted in 2007, but was never logged in at ADEC. Monitoring well #14 contaminate levels have fluctuated over the years and moving it has been proposed. Additional information requested from ASD and R&M showing where the replacement monitoring well #14 would be installed and the direction of groundwater flow, this information is necessary prior to approval of the work plan. Pam Clemens
1/23/2009 Proposed Plan Approval of plan to move monitoring well #14 eight (8) feet to the east to remove it from the drainage pathway. The problem statement, under Site Description, was also updated. Pam Clemens
2/13/2009 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78061 four USTs. Pam Clemens
6/16/2009 Update or Other Action Aaron Banks with R&M Consultants contacted me today to say that they have replaced monitoring well #14 and requested approval to landspread the soil cuttings. I have requested more information on location and specifics. The soil was ND to 3.147 mg/kg of GRO and ND to 0.155 mg/kg of Benzene. We also discussed continued groundwater monitoring. Pam Clemens
6/23/2009 Offsite Soil or Groundwater Disposal Approved Sent approval to dispose of one 55 gallon drum of soil from replacement of MW #14. Soil will be taken to ASR. Pam Clemens
9/26/2012 Site Characterization Workplan Approved On this date, ADEC approved the semi-annual GW monitoring Work Plan. MWs: MW-4 and MW-14 will be sampled for petroleum constituents Grant Lidren
11/7/2012 Site Characterization Report Approved On this date, ADEC received the Groundwater Monitoring Report Facilities and Maintenance Complex submitted by R&M, dated October 31, 2012. GW was encountered at 17.91 feet bgs at MW-04 and 15.25 feet bgs at MW-14. MW-4 contained DRO at 1.7 mg/L and MW-14 contained GRO at 2.34 mg/L and benzene at 0.485 mg/L Both MWs MW-04 and MW-14 contained a slight sheen and hydrocarbon odor. Grant Lidren
1/10/2014 Site Characterization Workplan Approved On this date, ADEC approved the semi-annual GW monitoring Work Plan. MWs: MW-4 and MW-14 will be sampled for petroleum constituents Grant Lidren
5/29/2014 Site Characterization Report Approved On this date, ADEC received the “Facilities and Maintenance Complex (ADEC File No. 2100.26.293) 2014 Groundwater Monitoring Report” submitted by R&M dated May 29, 2014. MW-4 and MW-14 contained a slight sheen and odor. Depth to GW was 17.29 feet bgs in MW-04 and 14.71 feet bgs in MW-14. MW-04 contained DRO at 1.88 mg/L and MW-14 contained benzene up to 0.119 mg/kg. All other detectable constituents were below cleanup levels Grant Lidren
6/6/2014 Site Visit On this date, ADEC met with R&M and ASD for a site walkthrough. It was noted the cap to MW-4 was loose and MW-08 could not be located. MW-08 may have been paved over. Grant Lidren
10/20/2014 Report or Workplan Review - Other On this date, reviewed and approved the 2014 Monitoring Well Decommissioning Work Plan submitted by R&M dated October 17, 2014. Up to nine monitoring wells will be decommissioned in late 2014. Grant Lidren
12/10/2014 Update or Other Action On this date, ADEC received the Monitoring Well Decommissioning Report ASD Facilities and Maintenance Complex submitted by R&M, dated December 8, 2014. Eight out of nine MWs were decommissioned, because MW-08, which has historically been dry, could not be located. MW-07 and MW-15 were decommissioned by complete removal and the other six MWs were decommissioned in place. Grant Lidren
12/31/2014 Cleanup Complete Determination Issued The Alaska Department of Environmental Conservation (ADEC), Contaminated Sites Program, has completed a review of the environmental records associated with this site. Based on the information provided to date and the administrative record, the ADEC has determined that the contaminant concentrations remaining on site do not pose an unacceptable risk to human health or the environment. No further remedial action will be required as long as the site is in compliance with established institutional controls. Grant Lidren
12/31/2014 Institutional Control Record Established Institutional Controls established and entered into the database. Grant Lidren
2/5/2015 Update or Other Action On this date, ADEC received the recorded Notice of Environmental Contamination for the subject property from the DNR Grant Lidren
2/10/2015 Update or Other Action ADEC received a signed CC-IC agreement from ASD on this date Grant Lidren
11/16/2015 Institutional Control Compliance Review IC compliance review conducted, staff name changed from Lidren to IC Unit, and reminder system set to review the site record in December 2019. Nathan Maxwell

Contaminant Information

Name Level Description Media Comments
DRO > Table C Groundwater
DRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil
Benzene > Table C Groundwater
Benzene Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil
Toluene Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil
GRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil

Control Type

Type Details
Notice of Environmental Contamination (Deed Notice)
Signed CS Determination

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.
Movement or use of contaminated material (including on site) in a manner that results in a violation of the water quality standards is prohibited (18 AAC 70)
Groundwater Use Restrictions Installation of groundwater wells requires DEC approval
Periodic Review Every five years

Missing Location Data

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