Site Report: Fort Wainwright - Bldg 3421 UST 322 Motor Pool
| Site Name: | Fort Wainwright - Bldg 3421 UST 322 Motor Pool |
|---|---|
| Address: | West of Luzon Ave.; , Fort Wainwright, AK 99703 |
| File Number: | 108.26.018 |
| Hazard ID: | 24379 |
| Status: | Cleanup Complete |
| Staff: | No Longer Assigned, 9074655229 dec.icunit@alaska.gov |
| Latitude: | 64.823781 |
| Longitude: | -147.617442 |
| 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
Tank improperly decommissioned in '90. Thus CH2MHILL will conduct tank closure sampling in a Release Investigation report. UST 322, a 1,000 gal. for storage of used oil for vehical maintenance activities. UST replaced 8/90 w/dual-walled 1,000 UST. Soil contaminated w/TRPH 230 ppm max. Between 9-11 ft. in excavation w/ 0.31 ppm xylenes. This site was reviewed on January 12, 2016. The site was formerly listed in Appendix A of the Two Party Agreement at Fort Wainwright. DEC is reviewing the Appendix A site list and has requested the Army to update the list based on confirmed cleanup complete/closure status of the original sites.
Action Information
| Action Date | Action | Description | DEC Staff |
|---|---|---|---|
| 4/4/1993 | Release Investigation | RELR; Hung reviewed COECON's workplan for screening petroleum contaminated sites using hydropunch. Site invloves UST 322, a 1,000 gal. for storage of used oil for vehical maintenance activities. UST replaced 8/90 w/dual-walled 1,000 UST. Soil contaminated w/TRPH 230 ppm max. Between 9-11 ft. in excavation w/ 0.31 ppm xylenes. Letter w/comments/recommendations written. | Former Staff |
| 5/12/1993 | Leaking Underground Storage Tank Release Confirmed - Petroleum | LUST Site created in CSP for source area ID 78011 ADD; File# 108.26.018. | Former Staff |
| 5/12/1993 | Site Added to Database | Former Staff | |
| 6/14/1993 | Site Visit | RECN; ADEC Thomas and Hung inspected site. | Former Staff |
| 7/29/1993 | Release Investigation | SA2; Short:Final Release Investigation Received. Staff member is Short as of 12/1/93. | Former Staff |
| 12/8/1993 | Leaking Underground Storage Tank Cleanup Initiated - Petroleum | LCAU; Tank removed in 1990. Screening and confirmation borings show contamination probably not from the tank and from an upgradient source. Further invest. recc. | Former Staff |
| 5/16/1994 | Update or Other Action | RPL2; Peterson sent PRP-CS Database Notification Letter to Cristal Fosbrook requesting update/confirmation of information concerning the contaminated site. | Former Staff |
| 10/5/2004 | Update or Other Action | Staff Lead was reassigned from Farris to Richmond. | Cynthia Pring-Ham |
| 7/28/2005 | Underground Storage Tank Site Characterization or Assessment | Contaminated Sites staff reviewed and provided comments to Fort Wainwright's draft Sampling Data Report for Taku Gardens and Building 3421. Concentrations of gasoline-range organics (GRO), diesel-range organics (DRO), and residual-range organics (RRO), and polychlorinated biphenyls in soil borings from Taku Gardens were either not detected or did not exceed cleanup levels. In soil samples collected at Building 3421, GRO and RRO were detected at concentrations below cleanup levels. Tetrachloroethene, benzene, toluene, ethylbenzene, xylenes, and various polynuclear aromatic hydrocarbons were also detected but at concentrations below cleanup levels. Groundwater was not encountered. DRO slightly exceeded cleanup levels in two locations. | Sharon Richmond |
| 5/6/2008 | Exposure Tracking Model Ranking | Initial ranking complete. | Sharon Richmond |
| 12/16/2008 | Cleanup Complete Determination Issued | This site was issued a No Further Action Determination in the Operable Unit 5 Record of Decision, Two Party Agreement in 1999. | Sharon Richmond |
| 8/20/2015 | Update or Other Action | Attached OU5 ROD and confirmed closure. | Monte Garroutte |
| 1/12/2016 | Update or Other Action | The site was formerly listed in Appendix A of the Two Party Agreement at Fort Wainwright. DEC is reviewing the Appendix A site list and has requested the Army to update the list based on confirmed cleanup complete/closure status of the original sites. | Dennis Shepard |
Contaminant Information
| Name | Level Description | Media | Comments |
|---|---|---|---|
| TPH | < Method 2 Most Stringent | Soil | Clean tank closure; TPH 230 mg/kg. |
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.