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Site Report: Tundra Tours - Wasilla Bus Barn

Site Name: Tundra Tours - Wasilla Bus Barn
Address: 300 East Danna Avenue, Wasilla, AK 99687
File Number: 2265.26.023
Hazard ID: 23623
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 61.585900
Longitude: -149.444400
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

On October 25, 1995, AGRA Earth and Environment Inc. (AEE) removed one 3,000-gallon diesel underground storage tank (UST) and one 2,000-gallon leaded gasoline UST. During removal activities, contaminated soil was excavated and stockpiled onsite. Following the excavation effort, samples results revealed that soil beneath the USTs and fill piping were contaminated with diesel range organics (DRO) at 20,000 milligrams per kilogram (mg/kg) and gasoline range organics (GRO) at 470 mg/kg, both of which exceed ADEC cleanup criteria. A second excavation was performed to address remaining contamination on October 31, 1995. Samples results from the second excavation met ADEC cleanup levels; however, the samples were collected from and area north of the USTs, which was an area that had already met ADEC cleanup levels.

Action Information

Action Date Action Description DEC Staff
10/27/1995 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 76380 ADD; Site added to database. Former Staff
10/27/1995 Site Added to Database Former Staff
10/28/1995 Leaking Underground Storage Tank Cleanup Initiated - Petroleum LCAU; LUST corrective action underway. : LCAU date changed DB conversion. Former Staff
11/14/1995 Leaking Underground Storage Tank Corrective Action Underway CAPR; Reviewed a soil treatment plan. The analytical results from the gasoline and diesel UST areas show that lead levels are within acceptable limits. The plan to thermally treat the contaminated soil at a DEC approved facility is approved. Former Staff
1/5/1996 Update or Other Action UPD; Reviewed an UST closure report. The 11/14/95 plan approval is rescinded because the lead sample was not representative of the soil to be thermally treated. SA1R former action code. Letter sent to RP for additional work. Former Staff
3/4/1996 Underground Storage Tank Site Characterization or Assessment SA1A; Reviewed an UST Closure Report. Former Staff
11/20/1997 Update or Other Action ADEC sends Notification of Intent to Cost Recover Letter to Current Owner: Tundra Tours, Inc. Jim Hayden
2/20/2004 Update or Other Action Invitation to apply for Streamlined Cleanup Program sent by letter to RP/owner. Bruce Wanstall
10/4/2005 Update or Other Action Project manager changed from Eric Henry to Bill Petrik. Sarah Cunningham
11/24/2006 Update or Other Action File number issued 2265.26.023. Aggie Blandford
11/24/2006 Update or Other Action Latitude and longitude data in decimal degrees and degrees, minutes, and seconds gathered from TopoZone Pro, Large Size Map, 1:24,000 Scale, USGS 1:24/25K Scale Topographic Base Map, NAD 83 in conjunction with the Palmer-Wasilla Area Atlas and Mat-Su Boro Assessor's Office On-Line Data. Highly moderate degree of confidence in the accuracy of the site coordinates based on the centroid of the facility structure. Coordinates obtained without file information and can be improved by obtaining file information or on-site GPS reading. Legal description added and landowner information updated. Owner as of 11/24/06 is Triple BS LLC; 6250 North Lossing Road; Palmer, AK 99645. Bill Petrik
8/8/2012 Potentially Responsible Party/State Interest Letter Katrina Chambon
8/24/2012 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 76380 name: autogenerated pm edit - Tundra Tours - Wasilla Bus Barn Katrina Chambon
9/9/2013 Update or Other Action A letter was sent on this date to the current property owner discussing site status and options. Katrina Chambon
9/19/2013 Site Visit Site visit to discuss closure with the PRP. Katrina Chambon
9/20/2013 Update or Other Action ADEC requested that ASRC complete a site characterization to delineate the nature and extent of any remaining soil contamination and evaluate the potential migration of contaminants to groundwater. Please contact me as soon as possible to discuss the details of this investigation. Confirmation soil samples collected following removal of the tanks contained diesel range organics (DRO) at 20,000 mg/kg and gasoline range organics (GRO) at 470 mg/kg. The ADEC cleanup levels for DRO and GRO are 250 mg/kg and 300 mg/kg, respectively. Katrina Chambon
5/5/2014 Potentially Responsible Party/State Interest Letter Sent to Arctic Slope Regional Corporation (ASRC) Joshua Barsis
7/17/2014 Update or Other Action ADEC sent a letter requesting a site characterization work plan to delineate the vertical and horizontal extent of contamination by August 31, 2014. Joshua Barsis
1/16/2015 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 76380 autogenerated pm edit - Tundra Tours - Wasilla Bus Barn. Joshua Barsis
10/22/2015 Update or Other Action Letter sent on this day with a brief site history and request for a work plan by February 2016. Summary follows: On October 25, 1995, AGRA Earth and Environment Inc. (AEE) removed one 3,000-gallon diesel underground storage tank (UST) and one 2,000-gallon leaded gasoline UST. During removal activities, contaminated soil was excavated and stockpiled onsite. Following the excavation effort, samples results revealed that soil beneath the USTs and fill piping were contaminated with diesel range organics (DRO) at 20,000 milligrams per kilogram (mg/kg) and gasoline range organics (GRO) at 470 mg/kg, both of which exceed ADEC cleanup criteria. A second excavation was performed to address remaining contamination on October 31, 1995. Samples results from the second excavation met ADEC cleanup levels; however, the samples were collected from and area north of the USTs, which was an area that had already met ADEC cleanup levels. Joshua Barsis
3/1/2016 Document, Report, or Work plan Review - other Reviewed the Site Characterization Work Plan, dated February 2016. Work plan activities include soil boring and sample collection in the vicinity of the former excavation. ADEC drafted a letter, dated March 2016 approving the work plan. Joshua Barsis
3/2/2016 Document, Report, or Work plan Review - other Approved the Site Characterization Work Plan, dated February 2016. Work plan activities mainly consist of advancing soil borings in the vicinity of the former excavation to determine if contaminants remain above cleanup levels. Joshua Barsis
8/12/2016 Document, Report, or Work plan Review - other Reviewed the Site Characterization report, dated August 2016. Samples were collected from six soil borings that were advanced through and around the former UST excavation. Samples were analyzed for GRO, DRO, RRO, BTEX and PAHs. None of the sample results exceeded the most stringent Method Two migration-to-groundwater cleanup levels. Joshua Barsis
8/12/2016 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 76380 autogenerated pm edit - Tundra Tours - Wasilla Bus Barn. Joshua Barsis
8/17/2016 Cleanup Complete Determination Issued The Alaska Department of Environmental Conservation, Contaminated Sites Program (ADEC) has completed a review of the environmental records associated with the Tundra Tours - Wasilla Bus Barn site, located at 700 North Wasilla-Fishhook Road in Wasilla. 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 unless new information becomes available that indicates residual contaminants may pose an unacceptable risk. Joshua Barsis

Contaminant Information

Name Level Description Media Comments
TPH < Method 2 Most Stringent Soil

Control Type

Type Details
No ICs Required

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)

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
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