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Site Report: Wrightway Auto Carriers

Site Name: Wrightway Auto Carriers
Address: 101 East Whitney Road, Anchorage, AK 99501
File Number: 2100.26.225
Hazard ID: 24052
Status: Cleanup Complete - Institutional Controls
Staff: IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude: 61.224598
Longitude: -149.880424
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

Two diesel tanks, one approximately 2,000 gallons and the other approximately 5,000 gallons), and one leaded gasoline underground storage tank (UST), approximately 2,000 gallon capacity, were removed. Underground storage tank vent and fill pipe on regular gasoline tank has soil contamination around them. Diesel dispenser has surface spills all around it. Impact to human health unknown and extent unknown. F.K.A. L55.75.

Action Information

Action Date Action Description DEC Staff
7/3/1990 Leaking Underground Storage Tank Emergency Response Site Control - Owner was replacing vent pipe & fill pipe with no further action planned by owner. John Halverson
7/3/1990 Site Added to Database Former Staff
7/3/1990 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 78423 Site added to the database. Regular gasoline and diesel contamination. Former Staff
7/4/1990 Leaking Underground Storage Tank Cleanup Initiated - Petroleum LUST Corrective Action Underway. Date changed DB conversion. John Halverson
7/27/1990 Update or Other Action Letter sent to Mr. Wright reiterating the conversation and DEC requests from the on site visit of 7/25/90. John Halverson
8/2/1990 Update or Other Action Letter from H.E. Wright stating that Northern Petroleum is to dispose of the tanks in an approved manner. Excavated soil moved to rear of lot and placed on 10 mil membrane then covered with 6 mil membrane. John Halverson
1/31/1991 Release Investigation Letter to Harold Wright requesting submittal of site assessment plan to delineate the extent and magnitude of petroleum contamination which exists due to use of the former underground storage tank. Additional letter 4/29/91 sent again requesting the above information to be sent by 5/31/91. John Halverson
2/28/1991 Update or Other Action Wrightway sent in a letter dated 2/27/91 received by the department 2/28/91 outlining steps taken for site. All waste oil storage barrels have been pumped by AK Pollution Control. 300 gallon tank on site for all waste oil and is pumped as needed by APC. Oil soak being kept for applying to any oil spots around equipment. Soil excavated during the removal of 2 tanks stored at rear of lot per DEC specifications. John Halverson
2/28/1991 Long Term Monitoring Established Wrightway letter - Excavation pit from which old underground storage tanks were removed is still open and available after breakup for sampling. John Halverson
4/29/1991 Update or Other Action Letter sent to RP requesting a site assessment work plan be submitted by 5/31/91. John Halverson
1/20/1993 Underground Storage Tank Site Characterization or Assessment On this date the department received a R&M Consultants, Inc. "Wrightway Auto Carriers - UST Decommissioning/Site Assessment Report" dated 1/8/93 that documented removal of a registered / regulated 5,000-gallon diesel UST removed on 10/16/92. Robert Weimer
2/16/1993 Document, Report, or Work plan Review - other Reviewed a R&M Consultants, Inc. "Wrightway Auto Carriers - UST Decommissioning/Site Assessment Report" dated 1/8/93 received by the department 1/20/93 documenting the removal of a registered / regulated 5,000-gallon diesel UST on 10/16/92. 25 cubic yards of contaminated soil stockpiled as a result of excavation and removal. DW well is located on site. Contamination over cleanup levels remains in backfilled excavation (260 ppm EPH) at 1.5 feet below the excavation floor at the fill pipe end of the former tank location. Still waiting on sample results from old excavation that was sampled at the same time. Sent a letter requesting further work or information on six items be submitted to the department by 3/31/93. Bill Petrik
11/20/1997 Update or Other Action ADEC sends Notification of Intent to Cost Recover Letter to Current Owner: Wrightway Auto Carriers, Inc. Former Staff
5/15/2000 Update or Other Action A letter was sent requesting a response to the department's letter of 16 February 1993 and site status. David Allen
10/4/2000 Update or Other Action A second letter was sent on this date as a followup to the programs letter of 5/15/00 requesting a response to the department's letter of 16 February 1993 and site status. Bill Petrik
10/5/2000 Update or Other Action Conducted a telephone conversation with Mr. Wright in response to the letter sent by the department 2/16/93 requesting more information regarding site status and corrective action. Mr. Wright said that he has no files and cannot answer any of the questions in the letter. Bill Petrik
10/10/2000 Update or Other Action A third letter was sent on this date as a followup to the programs letters of 10/4/00 and 5/15/00 requesting a response to the department's letter of 16 February 1993 and site status. David Allen
7/20/2006 Update or Other Action Latitude and longitude data in decimal degrees and degrees, minutes, and seconds 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 Site Plan from the R&M Consultants, Inc. ”Wrightway Auto Carriers, UST Decommissioning/Site Assessment Report” dated January 1993. High degree of confidence in the accuracy of the site coordinates based on the tank location. Coordinates can only be improved by on-site GPS reading the former tank location. Legal description added and landowner information updated. Address corrected from West Whitney to East Whitney Road based on MOA Assessors' data. Bill Petrik
7/24/2006 Update or Other Action Site reassigned to Bill O'Connell. Bill Petrik
12/12/2006 Exposure Tracking Model Ranking Former Staff
2/20/2009 Document, Report, or Work plan Review - other Received January 1993 Site assessment Report for Wrightway via ARRC. This report differs from that detailed in earlier actions as it contains characterization info for groundwater and the other UST excavation. In 1992 an investigation was conducted at a 5,000-gallon diesel UST in front of the shop, and at an open excavation where diesel and gasoline tanks were removed in 1990. Stockpile samples were also collected and groundwater was sampled. At the 5,000-gallon UST pulled in 1992, two confirmation samples were collected and one stockpile sample was collected from the 25 cy of soil removed during the tank excavation. One confirmation sample contained EPH (roughly equivalent to DRO) at 260 mg/kg. The other confirmation sample and the stockpile sample did not contain detectable concentrations of contaminants. In 1990, two USTs were removed from a common excavation near the loading ramp along with approximately 30 cy of soil. In 1992, this area was evaluated by digging test pits within the existing exavation and collecting soil samples. Four samples were collected from four test pits and contained EPH up to 720 mg/kg and benzene up to 0.35 mg/kg. Various monitoring wells were installed and sampled both on the property and in the upgradient ARRC railyard. Of the wells on the property, well B-1 along the south side (downgradient) of the property contained DRO at 171 mg/l and benzene at 0.0176 mg/l. Well B-6 contained DRO at 8.6 mg/l and benzene at 0.0255 mg/l. The disposition of the monitoring wells and the stockpiles are unknown at this time. ADEC anticipates conducting a site visit in Summer 2009 to confirm. Bill O'Connell
9/17/2009 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78423 USTs . Bill O'Connell
9/17/2009 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78424 Other USTs. Bill O'Connell
9/18/2009 Update or Other Action Site visit on 9/15/09. The stopckpiled soil in the northeast corner of the property has been spread on site along the northern edge of the property. Field screening samples were collected and screened using the PID headspace method. PID readings and visual observation did not suggest the presence of contaminants. Bill O'Connell
11/23/2009 Cleanup Complete Determination Issued The Alaska Department of Environmental Conservation, Contaminated Sites Program (ADEC) has completed a review of the environmental records associated with Wrightway Auto Carriers located at 101 Whitney Road 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. Bill O'Connell
11/23/2009 Institutional Control Record Established Institutional Controls established and entered into the database. Bill O'Connell
6/13/2012 Institutional Control Compliance Review An IC review was conducted on this site and the staff assigned was changed from Bill O'Connell to IC Unit. Evonne Reese
5/16/2013 Long Term Monitoring Complete Administrative action added during a quality control check. Kristin Thompson
4/2/2015 Institutional Control Update An IC reminder letter was issued to the responsible party on this date. Kristin Thompson
5/1/2020 Institutional Control Compliance Review An IC reminder was sent to the responsible party on this date. Site is under 5-year review, the next reminder will be due in May 2025. Cascade Galasso-Irish

Contaminant Information

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

Control Type

Type Details
Signed CS Determination

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site. Standard condition.
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 The landowner 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.

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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