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Site Report: Denali Fuel Company

Site Name: Denali Fuel Company
Address: 8223 Hartzell Rd.;, Anchorage, AK 99520
File Number: 2100.26.151
Hazard ID: 24028
Status: Active
Staff: Mollie Dwyer, 9074651076 mollie.dwyer@alaska.gov
Latitude: 61.145740
Longitude: -149.848908
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.

Problems/Comments

Action Information

Action Date Action Description DEC Staff
10/2/1991 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 77976 Site added to database. Former Staff
10/2/1991 Site Added to Database Former Staff
10/3/1991 Leaking Underground Storage Tank Cleanup Initiated - Petroleum 200 cubic yards of contaminated soil removed during the tank pull. Contaminated soil and groundwater remain. Former Staff
10/16/1991 Document, Report, or Work plan Review - other An additional 15 cubic yards of contaminated soil removed from the former tank excavation. Robert Weimer
10/17/1991 Leaking Underground Storage Tank Corrective Action Underway 215 cubic yards of contaminated soil thermally treated at CleanSoils. Robert Weimer
1/1/1992 Underground Storage Tank Site Characterization or Assessment Tank removal site assessment identified diesel contamination in soil and groundwater. Former Staff
2/27/1992 Update or Other Action ADEC letter to Denali Fuel requesting release investigation and corrective action for the remaining soil and groundwater contamination at the site. Robert Weimer
9/18/1995 Release Investigation Reviewed release investigation plan. Former Staff
9/20/1995 Document, Report, or Work plan Review - other Three soil borings were drilled and completed as monitoring wells. A drinking water well search was also conducted. Robert Weimer
10/9/1996 Update or Other Action ADEC letter requests groundwater monitoring and additional release investigation to define the extent of the remaining contamination at the site. Robert Weimer
11/20/1997 Update or Other Action ADEC sends Notification of Intent to Cost Recover Letter to Current Owner: DENALI FUEL COMPANY Former Staff
11/28/1997 Update or Other Action ADEC letter again requests quarterly groundwater monitoring and release investigation. Robert Weimer
3/28/1998 Update or Other Action ADEC again sends a letter requesting groundwater monitoring and release investigation, as had been requested in the ADEC letter of October 9, 1996. Robert Weimer
10/8/1999 Update or Other Action ADEC again sends a letter requesting groundwater monitoring and release investigation, as had been requested in the ADEC letter of October 9, 1996. Robert Weimer
5/11/2000 Document, Report, or Work plan Review - other Reviewed April 12, 2000 groundwater monitoring report. It identified groundwater contamination and that the extent had not been defined. Robert Weimer
5/12/2000 Update or Other Action ADEC letter requesting by June 15, 2000 a corrective action plan and additional monitoring wells to help define the extent of the groundwater contamination. Robert Weimer
9/7/2000 Update or Other Action ADEC receives corrective action workplan to excavate contaminated soil and have it thermally treated. ADEC issues a conditional approval letter the same day. Robert Weimer
11/3/2000 Site Visit ADEC staff visit site during a portion of the excavation work. Robert Weimer
1/26/2001 Update or Other Action ADEC letter requests a release investigation and work plan by 2/16/2001. The letter notes that the site work done by the RP's consultant did not follow the approved workplan, and that areas of the base and sidewalls of the excavation were not adequately assessed. Former Staff
2/5/2001 Update or Other Action RP's consultant submits workplan for installing 3 monitoring wells. This workplan was approved on 2/16/01. Robert Weimer
9/13/2001 Update or Other Action ADEC conditionally approves release investigation workplan for installing additional monitoring wells to help define the extent of groundwater contamination for this site. Robert Weimer
11/4/2002 Document, Report, or Work plan Review - other 9/25/02 release investigation report documented shallow soil contamination remaining at the site. The full extent of this contamination has not been determined. ADEC letter requests a corrective action plan for the remaining soil and groundwater contamination at the site. Robert Weimer
5/1/2003 Update or Other Action ADEC approves corrective action plan for contaminated soils to ASR for thermal treatment. Robert Weimer
10/9/2003 Update or Other Action ADEC approves 9/30/03 Corrective Action Plan to excavate and treat the shallow BTEX, GRO, DRO contaminated soils at the site. Robert Weimer
10/23/2003 Update or Other Action Letter from RP proposing to do only limited groundwater monitoring and then possibly look at NFRAP with institutional controls instead of doing the work proposed in the approved corrective action plan. Robert Weimer
12/2/2003 Update or Other Action ADEC letter requesting groundwater monitoring and drinking water well sampling in June 2004. Letter also notes that the extent and risk of the soil contamination has not been defined so NFRAP can not be evaluated for this site. Robert Weimer
8/5/2004 Document, Report, or Work plan Review - other June 16, 2004 groundwater monitoring event. Up to 8.73 mg/l DRO found and a sheen in one monitoring well (MW-6). Contamination levels have increased in 5 of the 7 monitoring wells, including the furthest downgradient monitoring well MW8, from the previous sampling event in September 2003. Plume appears to be increasing. Lab noted bubbles in 3 of the sampling vials (6 to 7mm of air at top of vial), which would result in bias low results for those samples. Nearby drinking water well sample was non-detect for this sampling event. Robert Weimer
10/17/2005 Document, Report, or Work plan Review - other July 18, 2005 groundwater monitoring event. Up to 31.5 mg/l DRO and 1.6 mg/l GRO (MW-6 also had a sheen). Contamination levels have increased in 2 of the 4 monitoring wells. Plume appears to be increasing in some areas. Laboratory data sheets were not in the report. Nearby drinking water well sample was non-detect for this sampling event. Groundwater flow direction is generally to the southwest. Depth to groundwater is 7 to 11 feet below ground surface. Robert Weimer
2/12/2007 Document, Report, or Work plan Review - other June 28, 2006 groundwater monitoring event. Up to 16.6 mg/l DRO and 0.794 mg/l GRO, and 1.19 ug/l benzene (MW-6 also had a sheen). Contamination levels have decreased from the previous monitoring event. Groundwater flow direction is generally to the southwest. Depth to groundwater is 6 to 8 feet below ground surface. Robert Weimer
10/5/2007 Document, Report, or Work plan Review - other August 8, 2007 groundwater monitoring event. Up to 11.5 mg/l DRO and 0.436 mg/l GRO, and 0.754 ug/l benzene. Contamination levels have decreased from the previous monitoring event. Groundwater flow direction is generally to the southwest. Depth to groundwater is 6.19 to 8.66 feet below ground surface. Report missing required QA/QC checklist and QA/QC lab reports. Robert Weimer
10/10/2007 Update or Other Action RP's consultant will provide the missing required QA/QC checklist and QA/QC lab reports. Robert Weimer
4/16/2008 Exposure Tracking Model Ranking Site ranked on the new Exposure Tracking Model (ETM). The ETM is a new site ranking system that looks at, based on available data, the potential exposure pathways for the contamination remaining at the site. Robert Weimer
12/21/2010 Update or Other Action Have not received annual groundwater monitoring report yet. Robert Weimer
10/28/2011 Update or Other Action Still have not received requested annual groundwater monitoring report. Robert Weimer
6/24/2015 Update or Other Action Have not received requested annual groundwater monitoring reports. Robert Weimer
9/11/2015 Potentially Responsible Party/State Interest Letter Letter of interest sent to the potentially responsible party requesting work plan, and overdue sampling. Chelsy Passmore
7/19/2016 Update or Other Action Received response to ADEC's 9/11/2015 request for sampling. No work plan has been submitted for requested site delineation and remediation. Chelsy Passmore
1/8/2019 Workplan Requested The ADEC & Responsible Party's representative met to discuss sampling the existing wells in 2019. A follow up e-mail was sent with a PDF version of the Workplan Request letter, which requested the sampling of monitoring wells MW-3, MW-4, and MW-6. Workplan Deadline for a workplan is March 1, 2019. Chelsy Passmore
8/7/2019 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 77976 1991 UST contamination. Chelsy Passmore
6/18/2021 Workplan Requested DEC sent a letter to Denali Fuel requesting a workplan to continue groundwater monitoring with a deadline of August 1. The letter was "returned to sender" on 6/29/2021. DEC reviewed the Anchorage property assessment database and determined the property is currently owned by Terra Properties. Janice Wiegers
6/29/2021 Workplan Requested DEC sent a letter requesting a workplan by August 15th to Gary Doss, registered agent for Denali Fuel. Janice Wiegers
8/2/2021 Document, Report, or Work plan Review - other On this date, ADEC received the Groundwater Sampling and Analysis Work Plan Denali Fuel Company Hartzell Road Site ADEC File No. 2100.26.151; Hazard ID 2402 dated July 30, 2021. The work plan proposes sampling groundwater from monitoring wells MW-3, MW-4, MW-6, and MW-8 and analyzing all samples for diesel range organics (DRO), gasoline range organics (GRO), volatile organic compounds (VOCs), and polycyclic aromatic hydrocarbons (PAHs). Brandi Tolsma
7/7/2022 Document, Report, or Work plan Review - other On this date, ADEC received the 2021 Groundwater Monitoring Report Denali Fuels Hartzell Road Site, ADEC File No. 2100.26.151. This report detailed the groundwater monitoring activities conducted in October 2021. DRO was detected at concentrations above ADEC groundwater cleanup levels in monitoring wells MW3 (4.06 mg/L), MW4 (4.00 mg/L), MW5 (5.05 mg/L), and MW7 (2.66 mg/L). Brandi Tolsma
8/18/2022 Document, Report, or Work plan Review - other On this date DEC approved work plan to decommission MW-8 and repair monuments for MW-3, MW-4, MW-5 and MW-7. Brandi Tolsma
5/30/2024 Update or Other Action Denali Fuel Company is legally decreed dissolved. Mollie Dwyer

Contaminant Information

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