Site Report: Kenai Gas Field Pad 33-1
| Site Name: | Kenai Gas Field Pad 33-1 |
|---|---|
| Address: | 33815 Kalifornsky Beach Rd, Kenai, AK 99611 |
| File Number: | 2320.38.030 |
| Hazard ID: | 3340 |
| Status: | Cleanup Complete - Institutional Controls |
| Staff: | IC Unit, 9074655229 dec.icunit@alaska.gov |
| Latitude: | 60.463889 |
| Longitude: | -151.281944 |
| Horizontal Datum: | NAD83 |
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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
Petroleum hydrocarbon and metals contamination in soil and groundwater was discovered during dry well abandonment and limited site characterization. Drinking water supplies are not affected. Marathon was required to conduct additional site assessment to determine the extent of the contamination and develop a site remediation plan.
Action Information
| Action Date | Action | Description | DEC Staff |
|---|---|---|---|
| 8/15/2000 | Site Characterization Workplan Approved | Approved Dry Well abandonment and Environmental Characterization work plan; coordinated with EPA Region 10. | Donald Seagren |
| 9/1/2000 | Site Characterization Report Approved | Reviewed report on Dry Well Abandonment and Environmental Characterization. | Donald Seagren |
| 9/5/2000 | Update or Other Action | Sent letter requesting further site assessment and development of site remediation plans. | Donald Seagren |
| 10/12/2000 | Site Added to Database | Petroleum hydrocarbon and metals contamination. | Former Staff |
| 10/12/2000 | Site Ranked Using the AHRM | Initial ranking. | Donald Seagren |
| 10/26/2000 | Site Number Identifier Changed | Changed workplan 01 to 09 in Reckey to include metals contamination. | Bruce Wanstall |
| 3/10/2004 | Update or Other Action | File number assigned and entered into the Fileroom DB and CS DB. | Alyce Hughey |
| 8/30/2005 | GIS Position Updated | Using Figure 1 and 2 from a Dry Well Abandonment and Environmental Characterization Report Kenai GAs Field Pad 33-1, from OASIS Environmental, Inc., dated August 3, 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 |
| 4/24/2006 | Update or Other Action | Re-reviewed the file and reports after discussing the site in a meeting with Marathon staff last week. Sent a letter requiring a site assessment to determine full horizontal and vertical extent of soil and GW contamination at the pad. Both soil and GW contamination exceeding ADEC cleanup standards exists at the pad. | Donald Seagren |
| 9/18/2006 | Update or Other Action | Reviewed 2006 monitoring report. RRO is the only constituent above Table C cleanup levels. A full site assessment can be postponed until pad abandonment. Annual monitoring will take place to ensure contaminants aren't migrating. Teh bluff and beach will be visually examined and any seeps sampled to encure contaminants aren't migrating into Cook Inlet. All QA/QC procedures were not followed (no duplicate, no QA/QC checklist included). Defficiencies were pointed out to Marathin for inclusion in future reports. | Donald Seagren |
| 4/4/2007 | Exposure Tracking Model Ranking | Donald Seagren | |
| 5/11/2007 | Site Characterization Workplan Approved | Donald Seagren | |
| 7/17/2007 | Update or Other Action | reviewed and approved request to beneficially reuse drill cuttings from the installation of monitor wells at the pad. | Donald Seagren |
| 9/11/2007 | Update or Other Action | developed draft conditioal closure letter and sent for review and finalization. | Donald Seagren |
| 10/2/2007 | Conditional Closure Approved | DRO contaminated soil remains at about 12' - 15' bgs. Unable to remove it due to affecting the structural integrity of the building. Soils will be addressed when the building is removed and the soils are accessible. | Donald Seagren |
| 10/2/2007 | Institutional Control Record Established | Marathon is required to notify ADEC once the soil beneath the building becomes accessible for the proper actions to be taken at that time. Soil sampling and/or a site assessment will be required to determine the current contaminant levels. A decision will be made based on that analytical data. | Donald Seagren |
| 6/12/2008 | Update or Other Action | Site transferred from Don Seagren to Paul Horwath per Linda Nuechterlein. | Alyce Hughey |
| 11/14/2011 | Exposure Tracking Model Ranking | A new updated ranking with ETM has been completed for source area 74315 Dry Well Abandonment. | Alyce Hughey |
| 11/6/2014 | Institutional Control Update | Current project manager chooses to retain management of the site at this time. | Kristin Thompson |
| 9/16/2016 | Institutional Control Compliance Review | IC compliance review conducted. Staff changed from Paul Horwath to IC Unit. Closure/IC Details entered. IC reminder letter issued. Reminder system set to follow-up every five years. | Kristin Thompson |
| 8/6/2024 | Institutional Control Compliance Review | IC compliance review completed on this date. An IC reminder letter was e-mailed to the landowner. The next review will be in five years’ time. | Gaige Robinson |
Contaminant Information
| Name | Level Description | Media | Comments |
|---|---|---|---|
| RRO | Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation | Soil | |
| DRO | Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation | Soil | |
| DRO | < Table C | Groundwater | |
| RRO | < Table C | Groundwater |
Control Type
| Type | Details |
|---|---|
| Other | CS Database Notation And Letter to Landowner/RP |
Requirements
| Description | Details |
|---|---|
| When Contaminated Soil is Accessible, Remediation Should Occur | |
| 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.