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Site Report: Odom Corporation 2009 Dumping Event (244 Nelchina Street)

Site Name: Odom Corporation 2009 Dumping Event (244 Nelchina Street)
Address: 244 Nelchina Street, Anchorage, AK 99502
File Number: 2100.38.519
Hazard ID: 25572
Status: Cleanup Complete - Institutional Controls
Staff: IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude: 61.219681
Longitude: -149.857720
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

This site was impacted by an unauthorized waste oil dumping event in May 2009. The surface soil was tested in June 2009, results showed DRO up to 18,300 mg/kg and RRO up to 60,100 mg/kg. Approximately 55 cubic yards of surface soil was hand-shoveled into a drum and transported to the Columbia Ridge Recycling Facility in Oregon. Soil samples showed that contamination remained above cleanup levels and further excavation was completed in August 2010. Confirmation soil samples for DRO were below the most stringent Migration to Groundwater levels in all areas except at the east sidewall of the excavation. DRO was found to be 325 mg/kg at three feet below ground surface at the east sidewall. RRO was not detected above the migration to groundwater cleanup levels. This site has an associated LUST release tracked under Hazard ID 24784.

Action Information

Action Date Action Description DEC Staff
7/13/2006 Update or Other Action This action is entered to show that the original site had its location verified in 2006. Using Figure 1 from the URS "Letter Report - October 2003 Sample Results; Release Investigation and Corrective Action - 244 Nelchina Street, Anchorage, Alaska" dated 11/18/03 in conjunction with the Anchorage Area Atlas and TopoZone Pro updated the erroneous coordinates in both decimal degrees and degrees, minutes and seconds. Plotted with No Topo Base Map on a Large Size Map at 1:3,333 Scale using High-Resolution Urban Aerial Photography. High degree of confidence in accuracy of coordinates. The map crosshairs represents the centroid of contamination as there are multiple spills on site. Coordinates could only be improved using a GPS on site. Used MOA web resources to update landowner information. Bill Petrik
6/16/2009 Update or Other Action Spoke with Tim Wiepking, in the Anchorage office, to let him know that I will going to photograph the stained soil from the 'midnight dumping' that was discovered on site. He said that they have already sent soil in for testing and should have the results by next week. I have added a new source area for this incident. Pam Clemens
6/30/2009 Document, Report, or Work plan Review - other Received (via email) and reviewed the URS Corporation's Level II Laboratory Data Review report with the print date of 6-23-09, for the Odom Corporation 'midnight dumping' event discovered in May 2009. The chemist confirmed that the constituent of concern is lube oil. DRO concentrations ranged from 15,200 mg/kg to 18,300 mg/kg. RRO ranged from 49,300 mg/kg to 60,100 mg/kg. URS is planning to clean up the impacted soil for the Odom Corporation. I requested a brief workplan via email specifying the expected depth of the excavation, samples and locations, and the facility they will use to remediate the soil. Pam Clemens
10/21/2009 Document, Report, or Work plan Review - other Brief workplan approved for hand-shoveling surface soils contaminated with lube oil from the "Midnight Dumping" event discovered May 2009. Confirmation samples will be taken. URS has contracted Emerald Alaska to do the cleanup. Work will be done 10-22-09. Pam Clemens
10/22/2009 Site Visit Went to site with Grant Lidren (CS) to meet with URS Senior Geologist William (Bill) Loskutoff and URS Environmental Scientist Ryan Rapuzzi while they were doing the site cleanup for the 'Midnight Dumping' that occurred this spring. The surface stain had expanded a little since June, when I went to take pictures of this new source area. The stained soil was being put into 55-gallon drums and will be staged on site until URS completes the other Odom Corporation investigations in the area. When all three site investigations are complete URS will request ADEC approval to transport the containerized materials and take them to an approved remediation facility. Field screening was done with a PID and analytical samples were being taken to test for GRO/BTEX, DRO and RRO. Pam Clemens
10/27/2009 Offsite Soil or Groundwater Disposal Approved Approved URS off-site soil and groundwater disposal request for one 55-gallon drum of IDW and five 55-gallon drums of soil from the surface stain caused by the 'midnight dumping' event discovered in May 2009. Pam Clemens
2/2/2010 Document, Report, or Work plan Review - other Reviewed report for excavation of stained soil at 244 Nelchina St. Approximately 1.6 cy of stained soil was excavated to a depth of 5-6 inches bgs. Confirmation samples contained DRO up to 8,150 mg/kg and RRO up to 25,500 mg/kg. It is anticipated that additional excavation will be required to address the stained area. Bill O'Connell
7/20/2010 Document, Report, or Work plan Review - other Received, reviewed and approved the Corrective Action Plan - Soil Excavation, Transport and Disposal for the May 2009 Release Event; dated July 20, 2010. Soil samples will be collected to confirm that the corrective action activities were successful in removing the contaminated soil. It is estimated that 15 to 20 cubic yards of soil will be taken to the Alaska Soils Recycling facility in Anchorage for remediation. This is for Source Area ID: 78926. Pam Clemens
8/2/2010 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 78926 name: Stained Soil Discovered May 2009 Pam Clemens
8/26/2010 Update or Other Action Signed and returned the Acknowledgement of Receipt Form from Alaska Soil Recycling this date for approximately 20 tons of soil, from the Odom Source Area ID: 78926. Pam Clemens
10/1/2010 Document, Report, or Work plan Review - other Received, reviewed and approved the URS Corrective Action Report dated September 28, 2010 for Source Area ID: 78926. Confirmation samples showed DRO slightly above the migration to groundwater cleanup level. RRO was detected below the migration to groundwater cleanup level. Both samples were from the east sidewall of the excavation at three feet bgs. Pam Clemens
10/19/2010 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78926 Stained Soil Discovered May 2009. Pam Clemens
10/25/2010 Site Added to Database A new site has been added to the database. This dumping event was tracked with 2100.26.190, until 10-25-10 when the site was separated. Pam Clemens
11/8/2010 Cleanup Complete Determination Issued Based on 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 with institutional controls. Pam Clemens
11/8/2010 Institutional Control Record Established Institutional Controls established and entered into the database. Pam Clemens
12/13/2010 Update or Other Action Well decommissioning report received, received and approved for the original source area at this site (see file number 2100.26.190). Waiting for the signed Attachment A – Agreement Page for the institutional controls (ICs) before removing the ICs and changing the status to Cleanup Complete in the database. Pam Clemens
2/16/2012 Update or Other Action Staff changed from Pam Clemens to IC Unit. Kristin Thompson
11/15/2012 Institutional Control Compliance Review IC Compliance Review conducted. Reminder system set-up to follow-up with the responsible party in 2015. Kristin Thompson
12/14/2015 Institutional Control Compliance Review Subsequent IC compliance review conducted. Scheduled to send IC reminder letter in near future. Nathan Maxwell
12/15/2015 Institutional Control Update IC reminder letter sent to the responsible party on this date. Nathan Maxwell
5/25/2017 Institutional Control Compliance Review IC compliance review conducted. Closure/IC Details updated. Reminder system is already set for the next follow-up to occur in 2020. Kristin Thompson

Contaminant Information

Name Level Description Media Comments
DRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil Remaining contamination, attributed to this site, is de-minimis in volume and there is no unacceptable risk to human health or the environment.
RRO < Method 2 Most Stringent Soil

Control Type

Type Details
Signed CS Determination

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site. Standard condition.
Other Odom Corp shall report to ADEC every five years to document land use, or report as soon as the Odom Corp becomes aware of any change in land ownership and/or use, if earlier.
Groundwater Use Restrictions Installation of groundwater wells will require ADEC approval.
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.
Hazard ID Site Name File Number
24784 Odom Corporation (244 Nelchina Street) 2100.26.190

Missing Location Data

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State of Alaska Department of Environmental Conservation

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Juneau, AK 99811-1800
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