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Site Report: Juneau Airport Travelodge Hotel

Site Name: Juneau Airport Travelodge Hotel
Address: 9200 Glacier Highway, Travelodge Hotel, Juneau, AK 99803
File Number: 1513.38.076
Hazard ID: 4517
Status: Cleanup Complete - Institutional Controls
Staff: IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude: 58.363897
Longitude: -134.585642
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.

Problems/Comments

After removal of the 600-gallon underground storage tank (UST), abatement of free phase petroleum from off-site fresh water and groundwater in the excavation, all stockpiled contaminated soil was transported off-site and remediated. Soil contamination remained trapped under building structures. In samples of crawlspace soil collected in 2000, the greatest diesel range organics (DRO) level reached was 6,900 milligrams per kilogram (mg/kg). In 2010, the samples of crawlspace soil reached DRO levels of 7,190 mg/kg and total xylenes of 0.725 mg/kg. Piping was installed in the floor of the excavation at the foundation to allow the addition of quick release nitrogen fertilizer and ammonium hydroxide to the subsurface to treat the soil. The effort does not appear to have had a measurable effect on reducing the levels of petroleum in the subsurface soil possibly due to the frequent influx of shallow groundwater. After the 1,000-gallon UST and the associated contaminated soil were excavated and disposed off-site, a small volume of contaminated material remained at a depth of 10 feet below the surface under the structural supports for the awning. The greatest level of DRO in the remaining subsurface soil was measured at 680 mg/kg. Samples were not analyzed for volatile compounds.

Action Information

Action Date Action Description DEC Staff
12/3/2007 Spill Transferred from Prevention Preparedness and Response Program Site transferred by PERP staff Lester Leatherberry. Spill Date = 8/28/00; Spill No. 00119924101; PERP File No. 1513.02.170; Substance = Diesel; Quantity = Unknown; Site Formerly Known As Duck Creek Mystery. Mitzi Read
12/6/2007 Site Added to Database Site added to the database. Mitzi Read
12/10/2007 Exposure Tracking Model Ranking Initial ranking with ETM completed. Mitzi Read
12/11/2007 Update or Other Action Ground-water contamination is the controlling pathway for exposure risk. Although the City and Borough of Juneau drinking water system serves the area, potable wells are used near the property. Groundwater investigation and a sensitive receptor survey may be needed. DEC mailed a data request letter certified to the responsible party with a 60 day limit to reply. Bruce Wanstall
1/29/2008 Update or Other Action ADEC discussed the site cleanup with the RP consultant pertaining to the request for current site data. Review of the cleanup report found that a sump to drain water from the crawlspace during periods of high water was used to mop up oil in the crawlspace during the spill cleanup; the sump may be useful to evaluate current status instead of installing a monitoring well. Bruce Wanstall
5/19/2008 Update or Other Action ADEC contacted the RP consultant concerning workplan development; recent site inspection found that additional remedial treatement of soil in the crawlspace is recommended. Bruce Wanstall
7/16/2010 Document, Report, or Work plan Review - other ADEC approved the field and laboratory quality assurance criteria for the Site Characterization Report, Heating Oil Spill at the Travelodge by Nortech. ADEC approval letter requests ongoing investigation and monitoring with the soil analyte list expanded to include BTEX and sampling of the crawlspace sump oil/water separator discharge for TAH/TAqH WQ parameters. Bruce Wanstall
11/22/2010 Document, Report, or Work plan Review - other The sample data collection and field screening for the Report were performed by qualified person(s) and are consistent with methodology in the site characterization work plan approved by ADEC in accordance with 18 Alaska Administrative Code (AAC) 75.355 (b). The data meet field and laboratory report quality assurance criteria in Contaminated Sites Program guidance documents, therefore the Report is approved in accordance with 18 AAC 75.335(d). The August samples document the effectiveness of in-situ treatment efforts implemented over the last two years to remediate residual diesel soil contamination in the building crawlspace. Bruce Wanstall
8/6/2012 Update or Other Action DEC examined status of residual contaminated soil in the crawlspace at the Juneau Airport Travel Lodge. A sampling event in August 2010 assessed the effectiveness of an in-situ periodic soil amendment addition cleanup remedy. DEC requests a plan be submitted for a current assessment of contaminated soil in the crawlspace. Samples collected in the crawlspace must be submitted to a DEC approved laboratory to test for benzene, toluene, ethylbenzene and total xylene compounds and diesel and residual range hydrocarbons. Bruce Wanstall
8/13/2012 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78299 600-gal Diesel UHOT. With the site information and environmental data currently available for pathway evaluation, additional assessment of crawlspace soil and ambient air is necessary to determine the exposure risk for the 600 gallon UST source area at the site. Bruce Wanstall
8/13/2012 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78300 1,000-gal Diesel UHOT. With the information and environmental data currently available for pathway evaluation, DEC has determined that exposure risk for the 1,000 gallon UST source area is de minimis and does not pose an unacceptable risk to human health and the environment. Bruce Wanstall
8/16/2012 Update or Other Action The buried tank, associated piping and the majority of the contaminated soil have been removed from the site but contaminated soil remains under the building's foundation and in the crawlspace. Although assessment sampling in August 2010 by Nortech Environmental Inc. indicated the periodic addition of soil amendments to the crawlspace was having the positive effect of bringing down the levels of petroleum, DEC has determined that petroleum contamination remaining at the site may still present a risk of exposure to human receptors. DEC letter requests additional sampling and characterization to ensure that conditions at the site are protective of human health and the environment. The results may indicate that the cleanup remedy has reduced the historical petroleum contamination to levels acceptable for regulatory site closure. Bruce Wanstall
9/14/2012 Document, Report, or Work plan Review - other DEC approved the NORTECH work plan for site characterization of remediation activities to address petroleum contamination remaining from an underground storage tank release at the referenced site. Bruce Wanstall
12/27/2012 Document, Report, or Work plan Review - other DEC approves by letter to the Travelodge Hotel the Site Remediation Assessment Report, Heating Oil Spill at the Travelodge, dated November 26, 2012. Nortech Environmental Engineering Inc completed the report documenting the results of soil and ambient air sample collection for analysis to assess the effectiveness of active remediation at the referenced site. The current sampling results indicate that the vapor intrusion pathway is incomplete and the cleanup remedy may have reduced the residual DRO soil contamination to levels acceptable for regulatory site closure. Bruce Wanstall
12/31/2012 Institutional Control Record Established Institutional Controls are established on the property. Soil contamination remains in the subsurface of the crawlspace at the north end of the building at depth of the water table. The highest DRO level detected in soil in 2012 was 2,930 milligrams per liter at one foot below the surface in the crawlspace. Change in land use and/or excavation of the area are not planned. If this assumption changes DEC must be notified to provide oversight before any such work begins. Bruce Wanstall
12/31/2012 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78299 600-gal Diesel UHOT. Bruce Wanstall
1/10/2013 Enforcement Agreement or Order Travelodge will report to DEC that property ownership and land use is unchanged every three years until new information indicates that the remaining soil contamination is below regulatory levels or until DEC determines that conditions at the site are protective of human health, safety and the environment. Bruce Wanstall
1/10/2013 Enforcement Agreement or Order Manager of the Travelodge Hotel must return a signed copy of the Attachment A document in the cleanup complete with institutional control determination letter. Bruce Wanstall
1/10/2013 Cleanup Complete Determination Issued DEC reviewed and approved, subject to this institutional control, the cleanup as protective of human health, safety, welfare and the environment. No further cleanup is necessary at this site unless new information becomes available that indicates to DEC that the site may pose an unacceptable risk to human health, safety, welfare or the environment. DEC determined, in accordance with 18 AAC 75.325(f) (1), that site cleanup has been performed to the maximum extent practicable even though residual diesel contaminated soil exists on-site. Further cleanup was determined to be impracticable because soil contamination extending into the crawlspace could not be reached without endangering the integrity of the building foundation. A layer of diesel contaminated soil remains in the crawlspace at the north end of the building at the depth of the water table. In the event that the remaining contaminated soil becomes accessible (i.e. by the building or other structure being removed) or through some other action, or other information becomes available which indicates that the site may pose an unacceptable risk to human health, safety, welfare or the environment, the land owner and/or operator are required under 18 AAC 75.300 to notify DEC and evaluate the environmental status of the contamination in accordance with applicable laws and regulations; further site characterizations and cleanup may be necessary under 18 AAC 75.325-.390. Bruce Wanstall
1/11/2013 Institutional Control Update Deed notice filed by DEC staff at the Recorder's Office on this date. Evonne Reese
1/14/2013 Enforcement Action Closed The Manager of the Travelodge Hotel delivered a signed copy of the Institutional Control Agreement page to the DEC office in Juneau. No further action pertaining to 18 AAC 75 regulation is required at the site other than the reporting requirements stated in the IC agreements. Bruce Wanstall
1/21/2013 Institutional Control Compliance Review IC Compliance Review conducted. Reminder system set-up to follow-up with the responsible party in 2016. Staff changed from Bruce Wanstall to IC Unit. Kristin Thompson
1/8/2016 Institutional Control Compliance Review An IC compliance review was conducted and an IC reminder letter was issued to the responsible party on this date. Reminder system set to follow-up in 2019. Kristin Thompson
3/28/2017 Institutional Control Compliance Review IC compliance review conducted. Closure/IC Details updated. Kristin Thompson
4/26/2019 Institutional Control Update An Institutional Controls reminder letter e-mailed to the responsible party on this date. Mossy Mead
11/21/2023 Update or Other Action Contacted on this date to inform DEC of a change in land and business ownership. The Affiliates section of this database record was updated with the new information. Evonne Reese

Contaminant Information

Name Level Description Media Comments
DRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil Soil contamination remains in the subsurface of the crawlspace at the north end of the building at depth of the water table. The highest DRO level detected in soil in 2012 was 2,930 milligrams per liter at one foot below the surface in the crawlspace. Change in land use and/or excavation of the area are not planned. If this assumption changes DEC must be notified to provide oversight before any such work begins.

Control Type

Type Details
Notice of Environmental Contamination Soil contamination remains in a layer at the water table in the crawlspace at the north end of the building. The highest DRO level detected in soil in 2012 was 2,930 milligrams per liter at one foot below the surface in the crawlspace. Change in land use and excavation are not planned. If this assumption changes DEC will be notified to provide oversight before any work begins.

Requirements

Description Details
Excavation / Soil Movement Restrictions Soil contamination remains in a layer at the water table in the crawlspace at the north end of the building. The highest DRO level detected in soil in 2012 was 2,930 milligrams per liter at one foot below the surface in the crawlspace. Change in land use and excavation are not planned. If this assumption changes DEC will be notified to provide oversight before any work begins.
Periodic Review Travelodge will report to DEC that property ownership and land use is unchanged every three years until new information indicates that the remaining soil contamination is below regulatory levels or until DEC determins that conditions at the site are protective of human health, safety and the environment.
Advance approval required to transport soil or groundwater off-site. Standard condition.
Groundwater Use Restrictions Installation of groundwater wells will require prior 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.

No associated sites were found.

Missing Location Data

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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