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Site Report: Tennessee Miller Indust. Park Subd.

Site Name: Tennessee Miller Indust. Park Subd.
Address: 719 Van Horn Road, Fairbanks, AK 99701
File Number: 102.38.066
Hazard ID: 2320
Status: Active
Staff: Michael Hooper, 9074515174 michael.hooper@alaska.gov
Latitude: 64.812175
Longitude: -147.712692
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.

Problems/Comments

Inactive floor drain discovered in shop reported 10/11/1994 by law firm during walk through. May be subject to Underground Injection Control (UIC) regulations if operable since 1984. The Environmental Protection Agency (EPA) has primacy for UIC regulations. The cleanup actions at Tract A included partial removal of the concrete floor slab at the former Frontier Transportation shop and removal and remediation of petroleum-impacted soils from around and beneath the former shop area and sump (located at the south end of the former building.) On-site 2/27/1995 indicated petro-based liquid in tank in shop; leach; tank dry. Lots 1-4 and 5, Tract B and C, Tennessee Miller Industrial Park Subdivision. (scp) On July 6, 2000, ADEC issued a No Further Remedial Action Plan (NFRAP) on the landspread soils on Tracts B, D, F and Alta Way Extension parcel. On September 19, 2000, ADEC issued a No Further Action (NFA) determination on Tracts B, D, and Alta Way extension. On December 27, 2000, ADEC gave a NFRAP determination for Tract F. On February 13, 2003, ADEC gave a NFRAP determination for the soils on Tract A. The groundwater still needed to be monitored to establish if the contaminant plume was at a steady and/or decreasing state. On May 25, 2005, ADEC issued a NFRAP for the Tract A groundwater. This was the final parcel of land waiting for a closure determination. In 2008, during construction of a new maintenance and retail facility at the site, NC Machinery encountered diesel-impacted soil west of the new building footprint. The exact source of this soil contamination is unknown. It was not identified in the previous investigations. Approximately 1,000 cubic yards of soil was excavated and stockpiled on site. The excavation removed the majority of vadose zone contamination above a low permeable silt layer near the water table. The sample result from the north side wall of the excavation at five feet below ground surface indicated benzene at 0.034 milligrams per kilogram (mg/kg), slightly above the cleanup level (0.025 mg/kg). However, field observations and preliminary screening of the silt layer indicate there is contamination in the smear zone and very likely in the groundwater.

Action Information

Action Date Action Description DEC Staff
2/27/1995 Update or Other Action (Old R:Base Action Code = FI - Field Inspection (General)). Accompanied Anchorage EPA Inspector to inspect inoperable floor drain and leach tank system at Fairbanks Metals and Equipment (renter). Took several photos. Floor drain tank in shop appeared to have petroleum based liquid. Leach tank located at exterior of shop was dry. Eleanor Hung
3/10/1995 Site Added to Database File# 102.38.066. Eleanor Hung
3/10/1995 Site Ranked Using the AHRM Ranking attempted, insufficiant data to generate score on AHRM. Eleanor Hung
7/16/1996 Update or Other Action Shannon and Wilson's Site Assessment report submitted to ADEC. Work included sampling 10 borings, installing 7 GW wells, digging 14 test pits, collecting surface soil samples, and sampling 4 existing wells. Laura Noland
8/16/1996 Site Ranked Using the AHRM Ranked by Shannon and Wilson. Insufficient data to generate a AHRM score. NOTES: The site file is currently at the AGs offic, therefore the site could not be ranked at this time. S&W
3/11/1998 Update or Other Action Groundwater monitoring proposal submitted to ADEC. Laura Noland
9/28/1998 Update or Other Action Corrective Action Report submitted to ADEC. This reports states that DRO contaminated soil >200 ppm but < 5000 ppm were landspread on the site (approximately 9640 cubic yards). Contaminated soils > 5000 ppm were bioremediated in a biocell (approximately 2000 cubic yards). Deborah Williams
10/6/1998 Update or Other Action Gave verbal approval for the owner to sample landspread petroleum contaminated soils. Results will be submitted to ADEC for approval to construct a road over a portion of the soils if treatment was successful in lowering contaminant levels. Larry Johnson
5/7/1999 Site Ranked Using the AHRM Formerly unrankable because of too many unknowns. Former values: Toxicity, 2.1; and GW Exposure Index Value 0.4. Deborah Williams
6/21/1999 Update or Other Action Bioremediation Enhancement Work Plan submitted to ADEC. The plan proposes dismantling the onsite biocell and landspreading the soils and nutrient amendments to the landspread soils. Deborah Williams
6/22/1999 Update or Other Action Sampling and Analysis Report - Landspread and Biocell soils was submitted to ADEC. Indicated substantial reduction in DRO concentrations. Deborah Williams
6/22/1999 Update or Other Action Groundwater Monitoring Plan submitted to ADEC for approval. Deborah Williams
6/22/1999 Interim Removal Action Approved Approval given to landspread biocell contaminated soil <5000 ppm DRO. Deborah Williams
6/25/1999 Cleanup Level(s) Approved Groundwater monitoring plan approved by ADEC. Deborah Williams
9/16/1999 Update or Other Action First Semiannual GW monitoring report submitted to ADEC. Resampling of MW EW-9 indicated metals below MCLs thus not a concern. Benzene levels greater than MCLs found in MW-2 and MW-5. Deborah Williams
9/24/1999 Update or Other Action Groundwater sample results indicated that BTEX levels are decreasing in the GW. Levels are not below table C levels. Also, one sample (directly downgradient from area with GW contamination) was not sampled. Resampling of previous well with elevated metals using low flow pump showed no metals. Approval given on work plan to sample DRO landspread soils using AK102AA, BTEX and PAHs. Required GW sampling of the well directly downgradient of contaminated GW. Deborah Williams
11/23/1999 Update or Other Action Second Semiannual Groundwater Monitoring Report (September 1999) submitted to ADEC. GW sampling occured from MW-2, MW-3, and MW-5. Deborah Williams
2/28/2000 Update or Other Action Sampling and Analysis report for the landspread soil was received by ADEC. Results of the report indicated elevated DRO soil levels in subtracts F2 (subsurface), B (surface) and A (both). Subtracts F1, F3, D and Alta Way Extension met ADEC method 2 aliphatic/aromatic cleanup levels. Deborah Williams
7/5/2000 Update or Other Action Report was submitted to ADEC on the resampling of subtract B and F2. Results indicated DRO aliphatic/aromatic levels below ADEC method 2 cleanup levels. Deborah Williams
7/6/2000 Update or Other Action ADEC issued a letter to RP stating no further remdial action is required on the landspread soil on subtracts B, D, F and Alta Way Extension parcel. Further groundwater characterization in required in Area E. Deborah Williams
9/1/2000 Update or Other Action Referral memorandum issued for interim costs. A check was received by the department on September 22, 2000 for $1,591.61. Deborah Williams
9/19/2000 Update or Other Action ADEC gave a NFA determination for Tracts B, D, and Alta Way extension. Deborah Williams
12/4/2000 Update or Other Action Referral memorandum issued for interim costs. A check was received by the department on January 8, 2001 for $173.60. Deborah Williams
12/27/2000 Update or Other Action ADEC gave a NFRAP determination for Tract F. Deborah Williams
3/2/2001 Update or Other Action Referral memorandum issued for interim costs. A check was received by the department on May 23, 2001 for $198.40. Deborah Williams
4/16/2001 Update or Other Action ADEC approved the supplemental groundwater characterization work plan for install additional wells on the property downgradient of MW 30. Deborah Williams
6/11/2002 Update or Other Action Referral memorandum issued for interim costs. A check was received by the department on October 3, 2002 for $173.60. Deborah Williams
7/10/2002 GIS Position Updated Changed the Latitude, Longitude, Method Accuracy, Accuracy and Unit fields. Heather Goldman
2/13/2003 Update or Other Action ADEC gave a NFRAP determination for the soils on Tract A. The groundwater will still need to be monitored to establish that the GW contaminant plume is at a steady state and/or decreasing. Deborah Williams
1/5/2004 Update or Other Action New attorney for this site is David Shaftel, 500 West 7th Ave., Suite 705, Anchorage, AK 99501-3559, (907) 276-6015. Deborah Williams
3/15/2004 Update or Other Action ADEC received an Annual Groundwater Monitoring Report (September 2003 sampling). GW results indicated similar levels of benzene at MW-30 (80.3 ppb) and levels at MW-31 increased to 148 ppb benzene. (This well is screened at 10 lower than MW-30. MW-3, MW-32, GW-1A and GW-2A all showed similar levels as before. They were all either non-detect or below ADEC cleanup levels. Deborah Williams
5/25/2005 Institutional Control Record Established An IC was established that required a deed notice, approval from ADEC for the disposal of groundwater off-site, and the approval for the installation of water supply wells on-site. Deborah Williams
5/25/2005 Conditional Closure Approved ADEC issued a NFRAP determination for the Tract A groundwater which is the last parcel of land to be closed. Deborah Williams
9/25/2008 Site Reopened Staff conducted a site visit on September 24, 2008. The site was formerly Tennessee Miller Industrial Park, but has since been acquired by NC Machinery for construction of a large warehouse and shop. The area was used for heavy equipment and vehicle maintenance in the 1970s and 80s. Petroleum contamination was encountered on this property in the 1990s and was listed as a contaminated site on the ADEC database. There were multiple source areas identified, but all were investigated and closed or conditionally closed by 2005. During NC Machinery’s construction activities this summer, the contractor, Roger Hickel Contracting, discovered a new source area approximately 30’ west and slightly south of the former shop building. The contractor has removed the impacted soil to clean edges based on PID headspace readings. Confirmation samples were collected today. An estimate of 1000cubic yards have been removed and temporarily stockpiled on site. Additionally, it is clear that the groundwater has been impacted to some degree because soil contamination extends to within a foot of the water table. Three soil samples have been collected to date and were analyzed by Ak102 (diesel range organics), AK 103(residual range organics), and EPA 8260. DRO (4,480 to 16,100 mg/kg) and benzene (0.231 mg/kg) concentrations exceeded cleanup levels. Additionally Nortech will develop a workplan to address the groundwater issues Ann Farris
6/11/2009 Conceptual Site Model Submitted Initial site characterization report received and recommendation for additional soil and groundwater sampling. NC Machinery excavated approximately 1,000 cubic yards of diesel-contaminated soil during construction of a new maintenance and retail facility at the site. The excavation removed the majority of vadose zone contamination above a low permeable silt layer near the water table. The sample result from the north side wall of the excavation at five feet below ground surface indicated benzene at 0.034 mg/kg, slightly above the cleanup level (0.025 mg/kg). However, field observations and preliminary screening of the silt layer indicate there is contamination in the smear zone and very likely in the groundwater. In the referenced report, Nortech concludes that additional characterization is necessary and proposes additional assessment to be completed. The primary risk drivers are site workers coming into contact with the smear zone contamination and ingestion of groundwater, but there is no data to actually determine the risk. It is unclear from the report if any drinking water wells are in the area. ADEC is requesting a more detailed work plan for the additional characterization. Ann Farris
6/11/2009 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 73298 name: auto-generated pm edit Tennessee Miller Indust. Park Subd. Ann Farris
7/24/2013 Update or Other Action Sent partial report from 1997 Alta work to EPA to determine if the EPA data base of injection wells have been closed at this site. Willett Boger
8/6/2013 Site Visit Visit to location to see new NC Machinery dealership and buildings on fully developed site. Willett Boger
5/22/2014 Update or Other Action Letter sent to RP requesting further information on clean up requested by DEC in 2009. Willett Boger
5/22/2014 Update or Other Action DEC sent a letter to NC Machinery summarizing the work completed in 2009 and requesting an update regarding the site and contaminants. During excavation in 2008 contaminated soil was stockpiled on the site and requires removal or remediation. Additional delineation of the groundwater impacts, including a well search, are needed. Janice Wiegers
9/18/2024 Update or Other Action Contacted by Nortech regarding 2014 letter and possibility of a 2015 workplan. DEC reviewed files and did not find a 2015 workplan. Janice Wiegers

Contaminant Information

Name Level Description Media Comments
Benzene > Table C Groundwater
DRO > Table C Groundwater

Control Type

Type Details
Notice of Environmental Contamination The Notice of Environmental Contamination was recorded at the Fairbanks Recorder's Office on April 4, 2005. Recording District 401 - Fairbanks. Pages 4.

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.
Groundwater Use Restrictions The installation of water supply wells and/or dewatering activities at this site is prohibited without approval of the ADEC.

No associated sites were found.

Missing Location Data

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