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Site Report: NPS Glacier Bay - Bartlett Cove (GBQ-3 Residence)

Site Name: NPS Glacier Bay - Bartlett Cove (GBQ-3 Residence)
Address: Off Glacier Bay Park Road, ~6 Miles WNW Gustavus, Gustavus, AK 99826
File Number: 1507.38.005
Hazard ID: 2980
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 58.450000
Longitude: -135.883333
Horizontal Datum:

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

A 1,000 gallon underground heating oil tank removal occured in 1998. An additional removal action in 2000 excavated 112 cubic yards to a depth of 25 feet below ground surface. Diesel range organics remained at excavation limits at concentrations up to 2,080 mg/kg. Groundwater monitoring wells identified groundwater contamination well above cleanup levels. ADEC issued a No Further Remedial Action Planned determination on March 1, 2004, citing limited risk of contaminant migration, source area removal, and a measured capacity for natural attenuation at this site. The site remained open pending demonstration that groundwater DRO concentrations were below cleanup levels. Groundwater sampling in June 2010 and June 2011 indicated that groundwater contamination at this site had attenuated to concentrations below ADEC cleanup levels. A January 13, 2012 ADEC decision document reclassified this site status from "Cleanup Complete - Institutional Controls" to "Cleanup Complete".

Action Information

Action Date Action Description DEC Staff
5/8/2000 Site Ranked Using the AHRM Initial ranking. Anne Marie Palmieri
5/8/2000 Voluntary Cleanup Program Application accepted. Anne Marie Palmieri
5/15/2000 Site Added to Database Diesel contamination. Anne Marie Palmieri
10/31/2000 Interim Removal Action Approved Approval to transport approximately 1,000 cubic yards of petroleum contaminated soil by vehicle from (5) former underground heating oil tank sites located in Bartlett Cove, Glacier Bay National Park to the Forest Service existing long-term storage cell at Bartlett Cove. Bruce Wanstall
6/5/2001 Update or Other Action Platt Environmental reports 112 cubic yards of soil excavated in 10/00 and MW results of DRO (MW-1 3.41 ppm, MW-3 34.4 ppm). Mike Jaynes
4/30/2002 Update or Other Action NPS staff reports MW results below ADEC levels. Report forthcoming. Mike Jaynes
4/30/2002 Update or Other Action Hart Crowser reports MW results for DRO (MW-1 1.25 ppm, MW-3 0.981 ppm). Mike Jaynes
10/29/2002 Update or Other Action Hart Crowser reports 6/13/02 GW monitoring results for DRO at MW 1, 2, and 3. All below Table C levels at this time. Bill Janes
10/29/2002 Update or Other Action 2/28/01 Platt Environmental CAFR states 5 confirmation samples collected from re-excavation 11/11. DRO present at 2 locations. Approximately 112 cubic yards of contaminated soil taken to the Bartlett long-term stockpile for eventual incorporation into asphalt. GW monitoring wells installed. GW samples collected 12/00. DRO over Table C migration to GW level at 2 of 3 wells. Bill Janes
10/29/2002 Update or Other Action Hart Crowser 2/02 report states 7/01 GW monitoring results at MW 1, 2 and 3 show DRO at 30 ppm in MW 3. Bill Janes
4/17/2003 Meeting or Teleconference Held Teleconference with Bill Huebner from Park Service - Reviewed data from 11/01, 2/02, 6/02, 10/02 and 2/03. Levels up to 225 mg/L DRO still showing at the source well (MW-3) but drops off significantly at MW-1 and MW-2 which are downgradient. I directed NPS to change monitoring at this site to look at TAH and TAqH at MW-1 and MW-2 semiannually. The concern is whether contamination is reaching nearby Bartlett Cove. Drinking water source for all NPS buildings is an upgradient stream. Bill Janes
3/1/2004 Institutional Control Record Established Administrative update (10/24/07) Evonne Reese
3/1/2004 Long Term Monitoring Established For DB tracking purposes only. Former Staff
3/1/2004 Conditional Closure Approved DRO still above Table C but plume is stable. Will be allowed to naturally attenuate. Active monitoring may be discontinued. Decision document is at G:\SPAR\Spar-Contaminated Sites\38 Case Files (Contaminated Sites)\1507 Gustavus\1507.38.001 Bartlett Cove Admin. Bldg. (GBA-12)\NFRAP Decision.doc. Bill Janes
6/7/2004 Update or Other Action Conversation with Bill Heubner at NPS. Latest monitoring results show possibly 0.5" in product in MWell. Staff may attempt to install a product recovery system. We will revisit and discuss this site in the fall, but this may be a small amount of product perched in a small zone. Does not affect drinking water and no sheening observed in Bartlett Cove. Mike Jaynes
6/21/2005 Update or Other Action Site name changed to NPS Bartlett Cove (GBQ-3 Residence) to reflect NPS designator. Mike Jaynes
12/20/2005 Update or Other Action After reviewing the latest monitoring report, the site will remain conditionally closed due to the following factors: •The site is on a shoreline, with no possibility of water being used as a drinking water source. •The actual impacted area at GBQ-3 is relatively small (~1-3cy). •There are no completed pathways for human health or ecological impacts. •The lack of sheens observed on the shoreline, indicating the relatively small plume is stable and not migrating into the tidal zone. Letter sent to Bill Heubner at the NPS. Letter is located at G:\SPAR\CS\Storage Tank Files (26)\1507 Gustavus\1507.26.001 USDOI - NPS - Glacier Bay Bartlett Cove\GBQ-3 Residential Quarters Re-Review and NFRAP.doc Mike Jaynes
7/11/2011 Document, Report, or Work plan Review - other Approved work plan for groundwater monitoring at the three on-site monitoring wells for diesel range organics. NPS is sampling groundwater to determine if groundwater contamination has attenuated to below cleanup levels. Melody Debenham
1/6/2012 Document, Report, or Work plan Review - other Approved the 2010 and 2011 groundwater monitoring report. Analytical results for diesel range organics were below the cleanup level in the 2010 and 2011 sampling events in all 3 wells. Melody Debenham
1/10/2012 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 73955 name: auto-generated pm edit NPS Bartlett Cove (GBQ-3 Residence) James Ward
1/10/2012 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 73955 auto-generated pm edit NPS Bartlett Cove (GBQ-3 Residence). James Ward
1/13/2012 Institutional Control Record Removed Institutional Controls have been removed. James Ward
1/13/2012 Long Term Monitoring Complete Administrative action on 5/1/2013. Kristin Thompson
1/13/2012 Update or Other Action Staff issued a Cleanup Complete determination based on groundwater sampling results for two consecutive years below Cleanup levels. This letter modifies the March 1, 2004 No Further Remedial Action decision issued by ADEC. James Ward
9/30/2014 Potentially Responsible Party/State Interest Letter Potentially responsible party letter sent to the National Park Service. Melody Debenham

Contaminant Information

Name Level Description Media Comments
DRO < Table C Groundwater Two consecutive annual monitoring events document DRO is below Table C cleanup levels.

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.

Missing Location Data

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State of Alaska Department of Environmental Conservation

P.O. Box 111800
Juneau, AK 99811-1800
Phone: 907-465-5066
Fax: 907-465-5245
TDD: 800-770-8973
Physical Location: 410 Willoughby