Site Report: Industrial Property - 5740 & 5750 Concrete Way
| Site Name: | Industrial Property - 5740 & 5750 Concrete Way |
|---|---|
| Address: | 5740 & 5750 Concrete Way, Juneau, AK 99801 |
| File Number: | 1513.38.103 |
| Hazard ID: | 26729 |
| Status: | Cleanup Complete |
| Staff: | No Longer Assigned, 9074655229 dec.icunit@alaska.gov |
| Latitude: | 58.354857 |
| Longitude: | -134.501592 |
| Horizontal Datum: | WGS84 |
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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
In August 2016, a soil investigation was conducted on two adjacent industrial lots (9A and 10) of the JRM Subdivision on Concrete Way in Juneau. The results of the investigation indicated diesel range organics and residual range organics were present in soil above the applicable cleanup levels. The source of this contamination is unknown, but may be due to historic use of the properties. Groundwater was discovered at a depth of 4 feet below ground surface at several borings locations. Two sample locations found contaminated soil at this depth, indicating that groundwater may be impacted. There are plans to develop the property for use as a shop for equipment maintenance and storage. A cleanup plan has been submitted to DEC for approval.
Action Information
| Action Date | Action | Description | DEC Staff |
|---|---|---|---|
| 1/4/2017 | Potentially Responsible Party/State Interest Letter | Potentially Responsible Party / State Interest Letter sent to responsible party by PPRP staff Krista Garrett. | Mitzi Read |
| 6/22/2017 | Spill Transferred from Prevention Preparedness and Response Program | Spill transferred by PPRP staff Krista Garrett. Spill no. 16119930501; spill date = 10/31/16; substance = unknown; quantity = unknown. | Mitzi Read |
| 6/22/2017 | Site Added to Database | A new site has been added to the database | Mitzi Read |
| 6/22/2017 | Exposure Tracking Model Ranking | Initial ranking with ETM completed for source area id: 80093 name: Industrial Property - 5740 & 5750 Concrete Way | Mitzi Read |
| 8/10/2017 | Site Characterization Workplan Approved | Email approval for August 10, 2017 "Lots 9 & 10 Concrete Way Cleanup Plan." | Amy Rodman |
| 9/8/2017 | Update or Other Action | August 2017 Cleanup Plan approval letter drafted and mailed to RP and consultant. | Amy Rodman |
| 9/11/2017 | Update or Other Action | temporary groundwater monitoring well installation, survey, sampling and laboratory data approved. Received and approved (via email) on same day. DRO & RRO for MW1 and MW3 were non detect. MW2 was dry upon GW MW completion/sampling. | Amy Rodman |
| 1/7/2019 | Site Characterization Report Approved | ADEC has reviewed and approved the “Cleanup Report: Lots 9 & 10 Concrete Way” (Report) for the Industrial Property – 5740 & 5750 Concrete Way in Juneau, AK dated October 2018. The Report was submitted via email on October 12, 2018 by Cox Environmental Services. Field activities in April 2018 generally consisted of advancing two excavations, field-screening of soil with photo-ionization detector (PID), collecting soil for laboratory analysis, and offsite disposal of contaminated soil. On April 6, contaminated soil was excavated and stockpiled on site, prior to soil encapsulation with concrete and asphalt (building foundation and driveways along Concrete Way). Eleven soil samples (ten and duplicate) were collected for field-screening and laboratory analysis. Six of the eleven soil samples submitted to the laboratory confirmed diesel range organics (DRO) and residual range organics (RRO) at non-detect concentrations. Three soil samples confirmed DRO and RRO at concentrations below ADEC Method Two Migration to Groundwater (MTG) soil cleanup levels. (230 mg/kg and 9700 mg/kg, respectively). Two soil samples confirmed DRO at non-detect concentrations and RRO at concentrations below MTG soil cleanup levels. Remaining concentrations of DRO in soil range from 22 mg/kg to 110 mg/kg. Remaining concentrations of RRO in soil range from 65 mg/kg to 790 mg/kg. Approximately 26.3 tons of contaminated soil were excavated, stockpiled and transported on August 23, 2018 by GR Cheeseman Construction to Bicknell Inc. for disposal and treatment. ADEC will evaluate this site for closure. | Amy Rodman |
| 7/26/2019 | Exposure Tracking Model Ranking | A new updated ranking with ETM has been completed for source area 80093 Industrial Property - 5740 & 5750 Concrete Way. | Amy Rodman |
| 9/27/2019 | Cleanup Complete Determination Issued | The Alaska Department of Environmental Conservation, Contaminated Sites Program (ADEC) has completed a review of the environmental records associated with the Industrial Property – 5740 & 5750 Concrete Way site, located in Juneau. 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. | Amy Rodman |
Contaminant Information
| Name | Level Description | Media | Comments |
|---|---|---|---|
| DRO | Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation | Soil | |
| RRO | < Method 2 Most Stringent | Soil |
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.