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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

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.

Missing Location Data

Because the GIS location data for this site has not been entered, we cannot direct you to its position on the map. Click "Continue" to proceed to the Contaminated Sites Web Map or "Close" to return to the site report.
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