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Site Report: Den'aina Wellness Center

Site Name: Den'aina Wellness Center
Address: 508 Upland Street, Kenai, AK 99611
File Number: 2320.38.073
Hazard ID: 25900
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 60.552751
Longitude: -151.263197
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

During the construction of an access driveway near the entrance off Upland Street, hydrocarbon soil contamination was encountered. Laboratory sample results detected diesel range organics (DRO) at 1,020 milligrams per kilogram (mg/kg) at 2 feet, and 7,010 mg/kg at 5 feet below ground surface.

Action Information

Action Date Action Description DEC Staff
8/27/2012 Site Added to Database A new site has been added to the database Alyce Hughey
8/27/2012 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 79320 name: Access Driveway Alyce Hughey
8/29/2012 Document, Report, or Work plan Review - other Review "Report of Initial Response, Limited Environmental Investigation". Peter Campbell
10/5/2012 Potentially Responsible Party/State Interest Letter Peter Campbell sent the Potentially Responsible Party Letter. Alyce Hughey
11/1/2012 Document, Report, or Work plan Review - other Review "Revised Report of Initial Response, Limited Investigation and Analytical Results". Peter Campbell
11/1/2012 Meeting or Teleconference Held Met with the construction manager for the Den'aina Center. Discussed past actions, analytical results and scope of work moving forward. Peter Campbell
12/10/2012 Meeting or Teleconference Held Met with construction manager and project environmental consultant about proposed scope of contamination assessment. Awaiting a workplan. Peter Campbell
1/3/2013 Site Characterization Workplan Approved Received an Additional Site Investigation Abbreviated Work Plan dated December 28, 2012 submitted by Alaska Consulting and Environmental Engineering. The plan details the proposed installation of two soil borings that will be converted to monitoring wells if impacts are discovered at the water table. The workplan was approved without conditions on January 2, 2013. Peter Campbell
2/15/2013 Document, Report, or Work plan Review - other Reviewed the Former Hydrocarbon Release Additional Site Investigation Report, dated February 9, 2013, prepared by Alaska Consulting and Environmental Engineering. On January 19, 2013, two soil borings (SB-1 and SB-2) were drilling in the areas of previously identified contamination. SB-1 was drilled near the south edge of the contamination encountered in August of 2012 and SB-2 was drilled near the southwest edge of the contamination encountered in September 2012. Each soil boring was drilled and sampled to a depth of the groundwater table interface. DRO soil contamination was encounter in SB-1 at 2,590 mg/kg, at a depth of 5 to 7 feet below ground level, and all analytes were not detected in SB-2. Groundwater was encountered at a depth of 25.6 and 26.0 feet below ground level, with no contamination encountered at the groundwater table interface. The stockpile from the August driveway excavation consisting of approximately 50 to 60 cubic yards and is being proposed to be sampled in the spring. If soil contamination is encountered, the soils will be transported to Alaska Soil Recycling, and if acceptable land spread. The stockpile from the September 2012 water line excavation consisted of approximately 20 to 25 cubic yards. The soil concentrations exceeded the soil cleanup levels and are being proposed to be transported to Alaska Soil Recycling for treatment and disposal. Alyce Hughey
8/9/2013 Offsite Soil or Groundwater Disposal Approved Approval granted to transport 20 cy of soil to Alaska Soil Recycling in Anchorage for thermal treatment. An additional 50 cy of lightly impacted soil will be landspread on site. Peter Campbell
8/13/2013 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 79320 Access Driveway. Alyce Hughey
9/11/2013 Update or Other Action Received notification that stockpiled soils have been transported. Twenty cubic yards transported to thermal treatment, fifty cubic yards returned to the site and landspread. Peter Campbell
9/13/2013 Cleanup Complete Determination Issued Cleanup Complete Determination Issued with the following condition: Any proposal to transport soil off-site requires ADEC approval in accordance with 18 AAC 75.325(i). A “site” [as defined by 18 AAC 75.990 (115)] means an area that is contaminated, including areas contaminated by the migration of hazardous substances from a source area, regardless of property ownership. The excavation of soil on this property in the vicinity of the two (2) estimated areas identified in the DOWL HKM Figure 2, Site Map, dated June 5, 2012 (see Attachment A) may expose contaminated soil requiring proper safety, management, and disposal practices. Any person(s) excavating soil or moving soil from the vicinity of these two areas shall contact ADEC and should coordinate with the Kenaitze Indian Tribe. The Kenaitze Indian Tribe shall provide the services of a qualified impartial third party, as required in 18 AAC 75, in order to properly monitor, assess, manage, treat, and dispose of any contaminated media, in accordance with all applicable ADEC regulations at that time. Peter Campbell

Contaminant Information

Name Level Description Media Comments
DRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil

Control Type

Type Details
No ICs Required

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.
Excavation / Soil Movement Restrictions The excavation of soil on this property in the vicinity of the two (2) estimated areas identified in the DOWL HKM Figure 2, Site Map, dated June 5, 2012 (see Attachment A) may expose contaminated soil requiring proper safety, management, and disposal practices. Any person(s) excavating soil or moving soil from the vicinity of these two areas shall contact ADEC and should coordinate with the Kenaitze Indian Tribe. The Kenaitze Indian Tribe shall provide the services of a qualified impartial third party, as required in 18 AAC 75, in order to properly monitor, assess, manage, treat, and dispose of any contaminated media, in accordance with all applicable ADEC regulations at that time.

No associated sites were found.

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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