Site Report: AT&T Alascom TAPS Repeater Costa Hill
| Site Name: | AT&T Alascom TAPS Repeater Costa Hill |
|---|---|
| Address: | ~ 80 Miles S of Prudhoe Bay, ~20 Miles N, NW of Pump Station 3, Prudhoe Bay, AK 99734 |
| File Number: | 900.38.017, 330.38.108 |
| Hazard ID: | 4412 |
| Status: | Cleanup Complete |
| Staff: | IC Unit, 9074655229 dec.icunit@alaska.gov |
| Latitude: | 69.117778 |
| Longitude: | -148.937222 |
| 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
During several Environmental Assessments, petroleum contamination was discovered under the generator module and above ground storage tanks.
Action Information
| Action Date | Action | Description | DEC Staff |
|---|---|---|---|
| 4/25/2007 | Site Added to Database | Site added to the database. | Mitzi Read |
| 4/26/2007 | Exposure Tracking Model Ranking | Initial ranking completed. | Mitzi Read |
| 10/23/2007 | Site Characterization Report Approved | ENSR report provided site characterization data for the Costa Hill repeater site | Jim Frechione |
| 10/23/2007 | Site Characterization Report Approved | ENSR report provided site characterization data for the Costa Hill repeater site | Jim Frechione |
| 12/18/2007 | Institutional Control Record Established | The owner/operator of this property shall contact ADEC prior to any proposal to transport soil from this site in accordance with 18 AAC 75.325 (i). | Keather McLoone |
| 12/18/2007 | Conditional Closure Approved | conditional closure was granted for this site based on the cleanup actions identified in the October 2007 ENSR report. 18 cubic yards of soil was removed and 2950 mg/kg DRO remained. | Jim Frechione |
| 12/15/2011 | Institutional Control Compliance Review | IC review conducted and staff name changed to IC Unit | Evonne Reese |
| 12/15/2011 | Institutional Control Record Removed | IC review showed that further follow up for this site is not needed because it meets the 2009 closure policy requirements, but the default requirement of no offsite transport of soil or groundwater will remain. | Evonne Reese |
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. |
No associated sites were found.