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Site Report: City of Kenai Maintenance Yard

Site Name: City of Kenai Maintenance Yard
Address: 332 Airport Way, Kenai, AK 99611
File Number: 2320.38.027
Hazard ID: 2075
Status: Active
Staff: Peter Campbell, 9072623412 peter.campbell@alaska.gov
Latitude: 60.564722
Longitude: -151.241111
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

Off-site migration of petroleum hydrocarbons was found on the adjoining property to the south from the former City of Kenai Maintenance Yard. The extent of the contaminant migration has not been determined. Diesel range organics (DRO), gasoline range organics (GRO), residual range organics (RRO), benzene, toluene, ethylbenzene, and xylenes (BTEX), volatile organic compounds (VOCs), and semi-volatile organic compounds (SVOCs) contamination has been confirmed both on the property and migrating off the property. DRO, GRO, toluene, xylenes and one SVOC were detected adjacent to, and in sediments of, Ryan Creek confirming off-property migration of the contamination. Low level polychlorinated biphenyl (PCB) contamination has also been found in soil. The City of Kenai was required to hire an environmental consultant to determine the extent of contamination.

Action Information

Action Date Action Description DEC Staff
7/11/1994 Preliminary Assessment Approved (Old R:Base Action Code = SA1R - Phase I SA Review (CS/LUST)). Site assessment plan reviewed Donald Seagren
7/13/1994 Site Ranked Using the AHRM Initial ranking. Score = 30. Former Staff
7/13/1994 Site Added to Database Petroleum and hazardous substance contamination. Former Staff
3/28/1995 Update or Other Action (Old R:Base Action Code = SA1R - Phase I SA Review (CS/LUST)). Reviewed phase 1 site assessment report. Met with RP and consultant on further work for phase 2. Donald Seagren
6/27/1995 Site Characterization Report Approved (Old R:Base Action Code = SA2R - Phase II SA Review (CS)). Reviewed a phase 2 site assessment report and discussed minor comments on the telephone with the City of Kenai. Also discussed city plans for dealing with the soil and groundwater contamination. Donald Seagren
1/12/1996 Site Ranked Using the AHRM Site ranking updated to reflect current information on the site. Toxicity Value changed from 2 to 4; Quantity Value from 3 to 4; Site Sccess value from 1 to 0; Surface Water Environments from 0 to 2; and, Multiple Sources from no to yes. Former score, 30, now 115. Donald Seagren
4/2/1996 Update or Other Action (Old R:Base Action Code = RPL3 - RP Determined and Action Request). Issued a cost recovery notification letter to the city. Donald Seagren
5/22/1997 Update or Other Action Drafted a case referral memorandum to AG's office for cost recovery collection and compliance assistance. Donald Seagren
10/29/1997 Update or Other Action Sent a letter to the City of Kenai requesting past due cleanup and remediation plan for the site. Donald Seagren
5/8/1998 Site Characterization Workplan Approved (Old R:Base Action Code = SA2A - Phase II SA Approval / Release Investigation). Reviewed and approved 1998 Environmental Assessment work plan. Discussed concerns and questions with Pete Campbell of Kent and Sullivan. Donald Seagren
2/22/2001 Site Number Identifier Changed Changed the Workplan from 01 to 09 to reflect PCB contamination. Former Staff
3/12/2003 Update or Other Action Sent a letter to the City of Kenai with site investigation report review comments. Also requested project status updates and workplans for remediation and GW monitoring. Donald Seagren
4/2/2003 Meeting or Teleconference Held Met with Jack LaShott & Pete Campbell. Discussed site, areas of concern, 10X rule procedures, etc. City will develop a GW monitoring plan, possibly 10X rule request, and tentative plans for cleanup of site. Donald Seagren
3/9/2004 Update or Other Action File number assigned and entered into the Fileroom DB and CS DB. Alyce Hughey
3/24/2004 Site Characterization Workplan Approved Approved 2003 Sampling Work plan for GW and sediment monitoring. Donald Seagren
5/17/2004 Update or Other Action Contacted consultant re: project status. He has not been given approval to proceed from City. He will check with the City and inform me of status. Donald Seagren
10/28/2004 Meeting or Teleconference Held Met with Jack LaShot (City of Kenai) and Pete Campbell (American Environmental). Funding should be available on November 3, 2004 to conduct water quality monitoring and develop a corrective action work plan. CAP will be a phased approached dependent on funding by the Kenai City Council. WW program and EPA will take the lead in addressing illegal underground injection wells. City will plug floor drains immediately to stop illegal discharge. City will follow up with letters to ADEC RE: stopping illegal wastewater discharge and site remediation plans & schedule. Donald Seagren
11/4/2004 Update or Other Action City of Kenai Council approved funding to conduct GW monitoring and develop a site remediation work plan. The sampling will be conducted the week of November 8, 2004. The floor drains have been plugged. Funding has been approved to begin connecting floor drains to city sewer system. They are working on a plan to deal with melt water in the interim. Donald Seagren
11/8/2004 Update or Other Action Due to current ice & snow conditions, American Environmental was unable to locate majority of MWs. MW near road oil pit was damaged by grader. Couldn't locate Halliburton wells in street. Will try again if weather changes. May have to postpone assessment work until Spring. Donald Seagren
11/10/2004 Update or Other Action Received written notification from the City of Kenai that: 1 - floor drains have been plugged and 2 - funding is available November 3, 2004 for water quality monitoring and development of a corrective action plan. Donald Seagren
5/11/2005 Update or Other Action Phone call from Pete Campbell. Sampling MWs, but many have been lost/damaged due to plowing and other activities. Will wait for report, but told Pete that site needs to be cleaned up and MWs re-established. Donald Seagren
8/29/2005 GIS Position Updated Using Figures 1 and 2 from a 1999 Site Investigation Report City of Kenai Maintenance Shop, from American Environmental, dated May 11, 2000, in conjunction with TopoZone Pro and the KPB Parcel Lookup, entered the coordinates for this site. Metadata includes No Topo Basemap, TopoZone Pro Street Maps, Black and White Aerial Photo, on a Medium Size Map, View Scale 1:10,000, Coordinate Datum NAD83. High degree of confidence in accuracy of location. Alyce Hughey
5/30/2006 Update or Other Action The City is hooking up the maintenence yard to the City sewer system. Discussed the project with David Johnson. The city needs to follow 18 AAC 78 for USTs that are connected to the floor drains or for petroleum tanks. The City must also have a plan in place following 18 AAC 75 to address contaminated soil they encounter during the wastewater connection construction activities. Discussed this with Peter Campbell of American Environmental. Donald Seagren
6/21/2006 Update or Other Action Reviewed and approved the 2006 Contamination Contingency Work Plan. The work plan was required as part of the plan review for installation of City sewer mains on the property. It is anticipated that contaminated soil, exceeding ADEC cleanup levels, will be encountered during the construction activities. Donald Seagren
4/5/2007 Exposure Tracking Model Ranking Donald Seagren
9/10/2007 Update or Other Action Reviewed the 2007 sewer line stockpile report and request to take soils to ASR for thermal remediation. Due to the Tetrachlorethene level exceeding ADEC cleanup levels, ASR is not permitted to accept or treat these soils. American Environmental was informed of this and will come up with another remediation method. The soils will remain stockiled for the winter. Donald Seagren
6/11/2008 Update or Other Action Site transferred from Don Seagren to Paul Horwath, per Linda Nuechterlein. Alyce Hughey
10/30/2014 Update or Other Action Will draft a letter to the City and see of the current administration is willing and able to undertake additional site characterization and cleanup work. Paul Horwath
7/25/2018 Workplan Requested ADEC issued a letter to City of Kenai Public Works Director Mr. Scott Curtin, requiring that a site characterization work plan be prepared and submitted to ADEC by November 16, 2018. Paul Horwath
5/19/2020 Workplan Requested Reiterate 2018 request for work plan for site characterization and remediation. Peter Campbell
1/16/2024 Update or Other Action Crowley, the owner of the fueling station to the southwest of the Maintenance Shop intends to upgrade their underground storage tanks. During the tank upgrade, they will likely encounter groundwater at approximately 9 feet below ground surface. This groundwater is likely to be impacted by chlorinated solvents and diesel migrating from the maintenance shop property buried drums located upgradient and to the northeast. Peter Campbell

Contaminant Information

Name Level Description Media Comments

Control Type

Type Details

Requirements

Description Details

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