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Site Report: Kwigillingok Pipeline Spill

Site Name: Kwigillingok Pipeline Spill
Address: N Shore of Kuskokwin Bay, 77 Miles SW of Bethel, Kwigillingok, AK 99622
File Number: 2425.38.003
Hazard ID: 3381
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 59.876739
Longitude: -163.159839
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

In 1999, an estimated 384 gallon diesel release occurred from a corroded pipeline leading to the Washeteria’s 8,000 gallon fuel tank during barge fueling activities. An estimated 250 gallons of fuel were recovered. In 2000, significant fuel odor and staining was observed throughout the spill area, especially in the low lying areas north of the boardwalk. Staining was also visible south of the boardwalk, along the length of the section of pipeline that was replaced since the spill. One soil sample collected 6 inches below ground surface contained a diesel range organics concentration of 90,700 mg/kg and a gasoline range organics concentration of 480 mg/kg, which is above the ADEC migration to groundwater cleanup level of 250 mg/kg and 260 mg/kg respectively. The drinking water source for the village is derived from snow melt and a lake reservoir. This site was addressed by the TAPL Program, until funding ran out.

Action Information

Action Date Action Description DEC Staff
1/15/2001 Update or Other Action Kwigillingok Site Reconnaissance And Recommendation Report Kwigillingok, Alaska, submitted by Bristol and recieved on this date. Six bulk facilities and one additional Kwigillingok pipeline spill was evaluated. Grant Lidren
12/17/2002 Site Added to Database DRO and GRO contamination. Deborah Williams
12/17/2002 Site Ranked Using the AHRM Preliminary ranking. The drinking water source for the village is derived from snow melt and a lake reservoir some distance from this site. Assignment of Surface Water Exposure Index as "0" in order for the site to rank. Deborah Williams
7/14/2004 Update or Other Action File number changed from 2425.42.002 to 2425.38.002 Sarah Cunningham
11/29/2006 Update or Other Action Staff transferred from Pikul to Jaynes. Aggie Blandford
4/21/2008 Update or Other Action File number changed from 2425.38.002 to 2425.38.003 per G Lidren. Nicole Hurt
4/21/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed. Grant Lidren
1/20/2009 Update or Other Action updated Affiliates information Pam Clemens
2/16/2012 Update or Other Action Staff changed from Pam Clemens to Linda Nuechterlein. Kristin Thompson
9/20/2012 Site Visit ADEC performed a site visit on this date. Drinking water is no longer obtained from the lake adjacent to site. It is now obtained from a reservoir north of town. A new boardwalk has been installed parallel to the old one. Some sections of the old fuel line remain in place. Three horizontal 55-gal drums and one vertical 55-Gal drum was noted in the spill area. No obvious signs of contamination, such as stressed vegetation, odor etc. Grant Lidren
10/3/2012 Potentially Responsible Party/State Interest Letter On this date ADEC sent a PRP letter to the Kwigillingok IRA Council Grant Lidren
2/12/2015 Update or Other Action Site history and request for contact letter sent. Joshua Barsis
10/11/2016 Update or Other Action Request for site characterization sent on this date. Site characterization work plan should be submitted by December 10, 2016. Lisa Griswold
11/7/2016 Update or Other Action Extension for submittal of a site characterization plan approved. Site characterization work plan is now due February 8, 2017. Lisa Griswold
5/23/2017 Site Characterization Workplan Approved Site Characterization Work Plan conditionally approved on this date. The work plan is approved on the following conditions: 1) Soils will be tested for Polycyclic Aromatic Hydrocarbons (PAHs) by 8270D SIM.2)Decontamination and purge water will be run through a Granular Activated Carbon (GAC) filter before land applying next to the boring exhibiting the most impact. 3)A positive pressure pump being utilized in sampling the temporary groundwater monitoring wells to minimize the loss of volatiles. 4)If possible, depth to groundwater readings and groundwater flow direction are requested.5)Groundwater samples will be analyzed for Diesel Range Organics (DRO) by AK Method 102; Residual Range Organics (RRO) by AK Method 103, Gasoline Range Organics (GRO) by AK Method 101; and Benzene, Toluene, Ethylbenzene and Xylenes (BTEX) by SW 8260C. The sample taken from the well in the most impacted soil will also be tested for by 8270D SIM. 6)The Site Characterization Report should include the field notes. The letter also included notification that the site was being transferred to Rodman. Lisa Griswold
5/23/2017 Update or Other Action Site transferred to Rodman. Lisa Griswold
11/14/2017 Site Characterization Report Approved The report was submitted via email on August 15 17, 2017 by Environmental Management, Inc. (EMI). The described field effort was conducted on May 31, 2017 and generally consisted of field-screening with a photo-ionization detector (PID), advancing soil borings, installing temporary groundwater monitoring wells, collecting soil and groundwater samples for laboratory analysis, and managing investigation-derived waste (IDW). ADEC will evaluate this site for closure with soil and groundwater data from this report. Amy Rodman
7/19/2018 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 74356 diesel fuel spill. Amy Rodman
12/11/2018 Cleanup Complete Determination Issued 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 no further remedial action will be required unless new information becomes available that indicates residual contaminants may pose an unacceptable risk. This Cleanup Complete determination is based on the administrative record for the Kwigillingok Pipeline Spill site which is located in the offices of the ADEC in Juneau, Alaska. This decision letter summarizes the site history, cleanup actions, regulatory decisions, and specific conditions required to effectively manage remaining contamination at this site. Amy Rodman
12/11/2018 Institutional Control Record Removed Institutional Controls have been removed. Amy Rodman

Contaminant Information

Name Level Description Media Comments
DRO < Method 2 Most Stringent Soil
RRO < Method 2 Most Stringent Soil
Toluene < Method 2 Most Stringent Soil
RRO > Table C Groundwater
GRO < Table C Groundwater
DRO < Table C Groundwater
Toluene < Table C Groundwater
Xylenes (total) < Table C Groundwater

Control Type

Type Details
No ICs Required

Requirements

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

No associated sites were found.

Missing Location Data

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State of Alaska Department of Environmental Conservation

P.O. Box 111800
Juneau, AK 99811-1800
Phone: 907-465-5066
Fax: 907-465-5245
TDD: 800-770-8973
Physical Location: 410 Willoughby