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Site Report: Holiday Station Store #625, formerly Williams Express Store #5025

Site Name: Holiday Station Store #625, formerly Williams Express Store #5025
Address: 6828 LAKE OTIS PARKWAY, Anchorage, AK 99507
File Number: 2100.26.034
Hazard ID: 23367
Status: Cleanup Complete - Institutional Controls
Staff: IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude: 61.158998
Longitude: -149.834777
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

During 1991 and 1992, site assessment work was performed prior to development as a filling station. Soil samples showed up to 0.963 mg/kg benzene and 7,970 mg/kg TPH. Due to observed problems at the Veeder-Root access at several Williams stations, soil screening samples were collected from soil in the manway that lead to this site being added to the CSP database. Headspace results exceeded 1,000 ppm in 2 of three samples collected. Two analytical samples collected from boring advanced to install monitoring well and analzyed for GRO and BTEX. Only benzene exceeded the most conservative DEC criteria with concentrations up to 0.33 mg/kg.

Action Information

Action Date Action Description DEC Staff
10/19/1991 Document, Report, or Work plan Review - other Date of document entitled Summary of Soil and Groundwater Assessment and Soil Clean Up Plan. Surface soil, subsurface soil, and groundwater were sampled. A leachability assessment determined that TPH concentrations in the soils at the site were "relatively non-leachable at least up to a concentration of about 2500 ppm". Stained areas sampled contained up to 7,970 ppm TPH and were recommended to be removed. Only one subsurface soil sample contained TPH greater than 2,500 ppm and was reported to have contained organics and asphalt. Keather McLoone
5/27/1992 Document, Report, or Work plan Review - other Date of document entitled Results of the Trench Sampling Explorations at the Proposed Mapco Store. Additional assessment work was performed to more completely identify areas of impacted soils using trenching. Over 100 PID samples were collected and eight laboratory samples submitted. TPH results up to 1,080 ppm. Keather McLoone
3/5/2003 Document, Report, or Work plan Review - other Site characterization workplan approved. One monitoring well willl be installed downgradient to assess migration of contamination to groundwater. Janice Wiegers
3/11/2003 Leaking Underground Storage Tank Cleanup Initiated - Petroleum Former Staff
3/11/2003 Site Added to Database Former Staff
3/11/2003 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 77705 (Added by System) Wendy Uzzell
4/19/2003 Update or Other Action Date of Limited Drinking Water Well Search Keather McLoone
4/19/2003 Document, Report, or Work plan Review - other Limited well search submitted. Six drinking water wells identified in 1/4-mile search area. The closest well is 180 ft downgradient of the site. Janice Wiegers
7/18/2003 Document, Report, or Work plan Review - other Site characterization report submitted. Boring B1 was installed to a depth of 13 ft and converted to a monitoring well. Groundwater was present at 6.4 ft. Benzene was above soil cleanup levels from 4.5 to 8.5 ft (0.12 to 0.33 ppm). Groundwater sample contained 5.4 ppb benzene. Janice Wiegers
11/14/2003 Document, Report, or Work plan Review - other Groundwater monitoring report for one well submitted. Benzene detected at 44 ppb. GRO detected, but below cleanup levels. Further monitoring is planned for additional characterization efforts are decided. Janice Wiegers
12/12/2003 Update or Other Action Annual meeting with Williams. S&W will conduct well search to identify drinking water wells. Janice Wiegers
12/31/2003 Update or Other Action RECKEY has automatically been generated. Former Staff
9/7/2004 Leaking Underground Storage Tank Corrective Action Underway On 07 July 2004, Bush met with Holiday representative Bruce Anthony; Williams Express representative Terrie Blackburn; and Shannon & Wilson representatives Matt Hemry, Ben Heaver, and Tim Terry. The topic of discussions was plans for future activities at all former Williams Express Stations. Lynne Bush
9/8/2004 Leaking Underground Storage Tank Corrective Action Underway Holiday will be assuming responsibility for investigative and remediation activities at all former Williams Express Stores, but legal responsibility is divided by store. Holiday has renumbered their stores as: 5001=601; 5002=602; 5005=605; 5005=605; 5006=606; 5007=607; 5008=608; 5010=610; 5014=614; 5016=616; 5018=618; 5024=624; 5025=625; 5030=630; 5031=631; 5050=650. While Holiday will oversee the work at the former Williams’ stations, these sites remain the responsibility of Williams. The numbers of these sites remain the same: 5003; 5004; 5009; 5012; 5015; 5017; 5021; and 5034. Lynne Bush
11/4/2004 Update or Other Action DOWL representative doing a Phase I in the area requested the file and a short meeting with the PM to discuss upcoming DEC requirements for this site. Lynne Bush
1/11/2005 Update or Other Action Semi-annual report submitted for review. Lynne Bush
1/20/2005 Update or Other Action Site scored for impact, but no resulting number generated. Lynne Bush
5/9/2006 Update or Other Action Project management transferred from Bush to O'Connell. Aggie Blandford
5/15/2006 Document, Report, or Work plan Review - other Received Sept. 2005 monitoring report. Only 1 well on site, benzene detected above Table C in March 2005, not detected in Sept. 2005. Bill O'Connell
3/16/2007 Exposure Tracking Model Ranking Former Staff
6/25/2007 Document, Report, or Work plan Review - other Received 2006 monitoring report. QA/QC conducted. One well on site, B1MW sampled twice in 2006. One of two samples exceed Table C (0.0211 mg/L) for benzene consistent with historical data. Former Staff
3/17/2008 Update or Other Action DEC contacted Mr. Kalifa of the First Samoan Congregational Church on behalf of Holiday and S&W to request permission to sample the church's private well downgradient from HSS 625. Mr. Kalifa to discuss with the church. Keather McLoone
4/8/2008 Update or Other Action After numerous phone calls and conversations with Mr. Kalifa, a certified letter was sent to formally request permission to sample the well water used at the First Samoan Congregational Church. First letter was returned as undeliverable when sent to street address. A phone call to the post office confirmed that mail was deliverable thru a PO Box. Second letter was received per signature on card but no reply has been made to the request as of 9/12/08. Keather McLoone
10/20/2008 Update or Other Action Lucy Hansen, church secretary for the First Samoan Congregational Church, was contacted and agreed to meet S&W representative prior to choir practice to allow water to be sampled. ADEC also confirmed that the property at the church is owned by the church. Keather McLoone
11/17/2008 Update or Other Action Letter sent to church to formally inform them that the results of the BTEX analysis by 524.6 were nondetect. Keather McLoone
2/13/2009 Update or Other Action Phone call to Shannon & Wilson for clarification on why monitoring well at this site has not been sampled since Spring 2007. The "organic-laden" sample collected during the Spring 2007 is suspected to be due to the well being used as a RV dump and there are no plans to attempt to reuse this well as a monitoring well. Keather McLoone
11/29/2010 Cleanup Complete Determination Issued Contaminated Sites staff has completed a review of the environmental records associated with Holiday Station Store #625, formerly Williams Express Store #5025 located at 6828 Lake Otis Parkway in Anchorage, Alaska. Based on the information provided to date, it has been determined that the contaminant concentrations remaining on site do not pose an unacceptable risk to human health or the environment and no further remedial action will be required as long as the site is in compliance with established institutional controls (ICs). Keather McLoone
12/3/2010 Institutional Control Record Established Institutional Controls established and entered into the database. Keather McLoone
12/1/2011 Update or Other Action The current project manager chose to retain management of this site with the Cleanup Complete Determination that has Institutional Controls. Kristin Thompson
12/2/2015 Institutional Control Compliance Review IC compliance review conducted, staff name changed from Nuechterlein to IC Unit, scheduled the reminder system to send an IC review letter in the near future. Verified that the Notice of Environmental Contamination was recorded on the property. After consultation with past project managers for this site, further groundwater monitoring requirements are removed unless new information is found to confirm the need. A periodic review of the ICs will be scheduled for every five years. Evonne Reese
12/8/2015 Institutional Control Update An IC reminder letter was sent to the responsible party on this date. Nathan Maxwell
12/18/2015 Institutional Control Periodic Reporting Received a letter from Holiday Companies on this date stating that there have been no activities at this site that would require reporting under the institutional controls. Nathan Maxwell
6/19/2018 Institutional Control Compliance Review IC compliance review conducted. Closure/IC Details updated. Reminder system is already set for five year follow-up in 2021. Kristin Thompson

Contaminant Information

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

Control Type

Type Details
Notice of Environmental Contamination Document ID #2010-070041-0 filed in the Anchorage Recording District on 12/27/2010.

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site. Standard condition.
Groundwater Use Restrictions Installation of groundwater wells will require approval from ADEC.
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) Standard condition.
Other Holiday Companies shall report to ADEC every five years to document land use, or report as soon as they become aware of any changes in land ownership and/or use.
When Contaminated Soil is Accessible, Remediation Should Occur Soil contamination may be remaining in the area of the active tank array. When the soil becomes accessible, the soil must be evaluated and contamination addressed in accordance with an ADEC approved work plan.

No associated sites were found.

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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