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Site Report: Allied Automotive Mechanics

Site Name: Allied Automotive Mechanics
Address: 1751 South Audie Street, Mile 36.5 Parks Highway, Wasilla, AK 99687
File Number: 2265.38.036
Hazard ID: 306
Status: Cleanup Complete
Staff: ,
Latitude: 61.563870
Longitude: -149.270599
Horizontal Datum:

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.


Petroleum contamination (diesel range and residual range) encountered during the excavation of a floor drain drainfield. Lot 5, Block 4, Wilderness East Subdivision. Northeast corner of Frontage and Audie Streets. Last staff assigned was Krieber (2/12/97).

Action Information

Action Date Action Description DEC Staff
12/4/1992 Preliminary Assessment Approved (Old R:Base Action Code = SA2R - Phase II SA Review (CS)). Review of site assessment indicates additional work necessary. No Longer Assigned
8/11/1993 Site Added to Database DRO and RRO. No Longer Assigned
10/20/1993 Site Ranked Using the AHRM Initial ranking. No Longer Assigned
7/2/2002 Site Number Identifier Changed Former Reckey 1991220122001 changed to 1987220105001to reflect earliest documented date of contamination. Site also referred to as Reckey 1987220120801. No Longer Assigned
5/14/2008 Exposure Tracking Model On Hold File missing. Rich Sundet
9/11/2008 Update or Other Action On 9/11/08, DEC issued a letter to John Pontus in response to telephone calls John made to DEC within the last week requesting closure of his site. DEC's file was missing so it could not close the file but John provide a Gilfilian report of a cleanup performed in 1992. That report showed that about 35 cy of petroleum contaminated soil was excavated and DRO remained up to about 3,810 mg/kg. John also noted that because elevated contaminantion remained, Gilfilian performed another cleanup that removed an additional five truckloads of contaminated soil. Soil from the second removal was mixed with the first removal and stockpiled on site. John further noted that after about 10 years, someone (but he could not recall who) removed the stockpiled soil to an unknown destination. DEC's 9/11 letter requested clarification of the disposition of the stockpiled soil, and a copy of the report of the second cleanup and if not available provide DEC a workplan to characterize the site. DEC's letter also notified Pontus of the State's cost recovery requirements. In its letter, DEC noted that it had found the missing file it had on this site at its Wasilla office and it would be incorporated into DEC's Anchorage CSP office's file regarding this site. Rich Sundet
10/13/2008 Update or Other Action On 10/13/08, CS issued a letter to John Pontius that was in follow-up to his consultant ChemTrack Alaska, Inc.’s 9/29/2008 response to our letter dated 9/11/2008. In addition, the letter is in follow-up to an 10/1/2008 discussion Sundet had with Ms. Mary Shreves formerly of Gilfilian, Inc. (Gilfilian). Lastly, the letter was in follow-up to a review of the file on the property which was unavailable to CS when we drafted CS's September 10th letter but was located in our Wasilla office and has now been transferred to our Contaminated Sites Program in our Anchorage office. In my discussion with Ms. Shreves, she noted that she went through her notes and records that she had kept while working for Gilfilian. She also noted that Gilfilian had performed two excavations one on September 3, 1992 and another on September 24, 1992, and activities from both are discussed in the 1992 report. She did not recall or have any notes of any other cleanup work that she or Gilfilian had performed at the site. She believed that the two cleanups that Pontius was talking about were the ones in September 1992 and conveyed that information to you during a telephone conversation on September 29, 2008. CS surmised in its letter that it would appear that there were two excavations both in September 1992 but there was no follow-up excavation in 1993 or later. Further review of the 11/1992 dated Gifilian report showed that the site was not fully characterized and that PCE was detected at 0.261 mg/kg in sample S2, and extractable petroleum hydrocarbons (similar to DRO) was detected at 3,810 mg/kg. Therefore, DEC requested a workplan by 11/14/2008 to further characterize the site and provide information regarding the disposition of the 35-45 cy stockpile that had been on site after excavation activities in 1992. Rich Sundet
11/18/2013 Report or Workplan Review - Other Reviewed work plan for Site Closure sampling for Allied Automotive. One borehole will be advanced at the location of the 1992 samples to delineate the extent of DRO and PCE contamination associated with the former floor drain outfall behind the building. Bill O'Connell
11/18/2013 Report or Workplan Review - Other Reviewed Site Closure Sampling report for Allied Automotive. One borehole was advanced in the same location the 1992 samples. In the sample collected from 14-15 feet bgs, DRO was not detected and PCE was detected at 0.0285 mg/kg. In the sample from 20.5-21.5 feet bgs, contaminants were not detected. Bill O'Connell
11/22/2013 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 71285 name: Former floor drain outfall Bill O'Connell
11/25/2013 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 site known as Allied Automotive Mechanics located at 1751 South Audie Street in Wasilla, 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 this site will be closed. Bill O'Connell

Contaminant Information

Name Level Description Media Comments
Tetrachloroethene Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation SoilSoil
DRO < Method 2 Most Stringent Soil

Control Type

Type Details
No ICs Required


Description Details
Advance approval required to transport soil or groundwater off-site.

Missing Location Data

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