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Site Report: ADOT&PF Former Holiday House Apartments

Site Name: ADOT&PF Former Holiday House Apartments
Address: 655 University Avenue, Fairbanks, AK 99709
File Number: 100.38.269
Hazard ID: 26489
Status: Active
Staff: Janice Wiegers, 9074512127
Latitude: 64.847281
Longitude: -147.809848
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.


Between October 2015 and June 2015 site assessment activities were performed in conjunction with the Alaska Department of Transportation and Public Facilities (ADOT&PF) University Avenue Rehabilitation & Widening Environmental project. One of the two parcels assessed during this project was the location of the former Holiday House Apartments at 655 University Avenue (aka Parcel L). Contaminated soil was encountered at the following locations during the site assessment. • 1700-gallon underground storage tank (UST) decommissioning and excavation N of the NE end of the former A & B Building; • East/West transformer pad excavation; and • South parking area excavation. A total of 224.75 tons of contaminated soil were removed from the site and transported to the OIT Inc. Moose Creek facility for disposal and treatment by thermal remediation. Analytical data indicate that contaminated soil remains in place at the top of the groundwater smear zone in the north and west side walls (10.75’ below ground surface(bgs)) and the south side and the middle (11.25’bgs) of the 1700-gallon UST excavation. Analytical results confirm that contaminant concentrations in the smear zone soil are above ADEC soil cleanup levels for benzene, toluene, ethylbenzene, xylenes, gasoline range organics (GRO), diesel range organics (DRO), 1-methylnapthalene and 2-methylnapthalene. Additional excavation into the groundwater and smear zone was not undertaken due to the potential for collapsing the sidewalls of the excavation. The horizontal and vertical extents of contamination in the smear zone were not delineated. Data indicate that all analytical sample results from soil remaining in place at the East Transformer Pad, West Transformer Pad, and South Parking Lot Excavation contaminated area site were below ADEC soil cleanup levels for all tested analytes. All structures had been razed from the site in preparation for future road realignment activities.

Action Information

Action Date Action Description DEC Staff
1/11/2016 Site Added to Database A new site has been added to the database Mitzi Read
1/11/2016 Spill Transferred from Prevention Preparedness and Response Program Spill transferred by PPR staff Patrik Sartz. Spill no. 15309911901; spill date = 4/29/15; substance = petroleum and transformer oil; quantity = unknown; PPR file no. 102.02.001. Mitzi Read
1/11/2016 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79853 name: 1,700-Gallon UST Mitzi Read
2/2/2016 Update or Other Action DEC staff spoke to Sarah Schacher in DOT Design about the need to characterization of the remaining contamination. Ms. Schacher indicated DOT had purchased the property and identified herself at the best contact for now. Janice Wiegers
2/2/2016 Report or Workplan Review - Other DEC reviewed Environmental Site Assessment Report prepared by ARES for R&E Environmental Inc., and dated September 1, 2015. Soil samples collected for DRO, GRO, and RRO should be flagged due to data quality issues with duplicate results - RPD's too high for some duplicates. ARES recommended groundwater characterization to delineate extent of contamination associated with the 1,700 UST. Janice Wiegers
3/9/2016 Update or Other Action ADEC sends letter to DOT requiring additional site characterization to include groundwater delineation. Janice Wiegers
4/26/2017 Update or Other Action DEC emailed DOT contact to find out plans regarding additional characterization. Janice Wiegers
5/8/2017 Update or Other Action Contacted by DOT (Sarah Schacher and Lauren Little) regarding plans for work this summer. DOT anticipates hiring a QEP to continue site investigation. Janice Wiegers
10/13/2017 Report or Workplan Review - Other Reviewed and approved work plan for additional soil and groundwater sampling. Work plan dated 10/6/17. Janice Wiegers

Contaminant Information

Name Level Description Media Comments

Control Type

Type Details


Description Details

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