Site Report: Gambell Street Cell Tower
| Site Name: | Gambell Street Cell Tower |
|---|---|
| Address: | East Side of Gambell Street, South of 15th Avenue, Anchorage, AK 99501 |
| File Number: | 2100.38.533 |
| Hazard ID: | 25913 |
| Status: | Cleanup Complete - Institutional Controls |
| Staff: | IC Unit, 9074655229 dec.icunit@alaska.gov |
| Latitude: | 61.206619 |
| Longitude: | -149.870353 |
| 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 September, 2012, during trenching for utilities at the Gambell Street cell tower site, broken batteries and debris were discovered in soil from 1 to 5 feet below ground surface. Follow-up sampling found lead in soil up to 14,000 mg/kg and TCLP lead above the RCRA target level in several locations.
Action Information
| Action Date | Action | Description | DEC Staff |
|---|---|---|---|
| 9/13/2012 | Site Added to Database | A new site has been added to the database | Mitzi Read |
| 9/19/2012 | Document, Report, or Work plan Review - other | Reviewed Site Investigation report for cell tower location off Gambell Street just south of 15th Ave. Ten soil borings were advanced to evaluate the extent of lead contamination after broken batteries were discovered during site prep work. 88 soil samples were screened using x-ray fluorescence, 55 samples were analyzed for total lead, and 16 samples were analyzed for TCLP lead. Two additional boreholes were placed into stockpiled soil at the site. Two additional samples were also analyzed for hydrocarbons. Lead was detected in soil up to 14,000 mg/kg. 8 soil samples had lead above 400 mg/kg and six samples were above the TCLP limit. Stockpiled soil did not contain total or TCLP lead above regulatory limits. Lead concentrations in soil above ADCE cleanup levels were limited to the eastern ¼ of the property, indicating lead contamination on adjacent properties is likely. | Bill O'Connell |
| 9/19/2012 | Exposure Tracking Model Ranking | Initial ranking with ETM completed for source area id: 79334 name: Broken Batteries and Debris | Bill O'Connell |
| 9/20/2012 | Meeting or Teleconference Held | Meeting with Global Tower Partners and Trileaf Env to discuss onsite removal of lead contamination and offsite characterization of lead impacted soil. | Bill O'Connell |
| 9/25/2012 | Site Visit | Site visit today | Bill O'Connell |
| 11/1/2012 | Exposure Tracking Model Ranking | A new updated ranking with ETM has been completed for source area 79334 Broken Batteries and Debris. | Bill O'Connell |
| 12/20/2012 | 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 Gambell Street Cell Tower located on Block 36, Lot 18, Third Addition in Anchorage, Alaska. 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 as long as the site is in compliance with established institutional controls (ICs). | Bill O'Connell |
| 12/20/2012 | Institutional Control Record Established | Institutional Controls established and entered into the database. | Bill O'Connell |
| 12/31/2024 | Institutional Control Compliance Review | IC compliance review completed on this date. An IC reminder letter was issued to the landowner. The next review will be in five years’ time. | Gaige Robinson |
Contaminant Information
| Name | Level Description | Media | Comments |
|---|---|---|---|
| Lead - Total | Other | Soil |
Control Type
| Type | Details |
|---|---|
| Notice of Environmental Contamination | |
| Signed CS Determination |
Requirements
| Description | Details |
|---|---|
| Advance approval required to transport soil or groundwater off-site. | |
| Excavation / Soil Movement Restrictions | Some soil is contaminated with lead above TCLP levels- This soil would have to be handled and disposed in in accordance with RCRA if excavated. |
| Hazard ID | Site Name | File Number |
|---|---|---|
| 26240 | Fairview Areawide Brownfield Assessment | 2100.57.020 |