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Site Report: General Parts & Service Inc (Formerly)

Site Name: General Parts & Service Inc (Formerly)
Address: 3615 Braddock StCurrently dbaOsborne Construction Company, n Company, Fairbanks, AK 99701
File Number: 100.26.168
Hazard ID: 24695
Status: Cleanup Complete - Institutional Controls
Staff: IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude: 64.812440
Longitude: -147.698820
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

Soil and groundwater contamination was discovered during a 1997 Site Assessment conducted to facilitate a property transfer. A 3,000 gallon buried heating oil tank was removed, contamination associated with this tank appeared to be below ADEC cleanup levels. Contaminated soil beneath a leaking above ground heating oil tank was removed to the extent practical. However, contamination above ADEC cleanup levels remained near the building foundation and possibly beneath the building. In addition, a buried 500 gallon used oil tank was removed. Contamination at the limits of the excavation of the used oil tank near the building foundation exceeded cleanup levels. Long term monitoring (1997 - 2006) indicates concentrations of groundwater contamination has declined. An impermeable layer in the form of a concrete pad was placed over the soil contamination associated with the AST which was repaired and put back into service. The remaining contamination does not pose a threat to human health or the environment, and the site is currently under consideration for a conditional closure.

Action Information

Action Date Action Description DEC Staff
8/12/1997 Underground Storage Tank Site Characterization or Assessment 500-gallon waste oil UST removed as well as 3,000-gallon HOT. Soil & grd water impacted. Contam remains under bldg. Former Staff
8/14/1997 Update or Other Action 30 cu yds contam soils removed from w.o. USTarea and 30 cu yds removed from HOT area and stockpiled on-site. Former Staff
9/18/1997 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 77619 NORL sent 12/11/97 Former Staff
9/18/1997 Leaking Underground Storage Tank Cleanup Initiated - Petroleum entered by JC Former Staff
9/18/1997 Site Added to Database Former Staff
10/6/1997 Release Investigation At request of RPCON, DEC writes letter to RP requesting RI for w.o. UST. DEC requests IC for remaining contam under bldg and that all contam stockpiles be remediated to ADEC cleanup levels. Former Staff
12/12/1997 Update or Other Action DEC informed new owner of site: Osborne Construction Company. Former Staff
1/27/1998 Leaking Underground Storage Tank Corrective Action Underway New RP's atty sent IC doc for DEC signature. AGO review of DEC's concern re-item #3 as not true. AGO to write atty ltr. Former Staff
2/4/1998 Release Investigation Brief review of RI work plan. Plan to sample MW twice/yr and DWW annually. Found PCE, 25 ppb, 120 ppb GRO and 9,330 ppb DRO on 1st sampling event which involves w.o. USTonly. (AST used as HOT located on other side of bldg). Former Staff
3/3/1998 Update or Other Action Ph call fr RPCON requesting Closure letter from DEC based on one sampling event from MW. DEC: no closure letter until obtain at least 3 sampling events and all 3 must be consecutively below ADEC cleanup levels, IC is unresolved with atty (no response to AGO ltr) and deal with unreg tank cleanup. Former Staff
3/4/1998 Update or Other Action Ph call fr RPCON want to delete sampling for DRO. DEC: Want last sampling event to include DRO to compare level with 1st event also new regs are to be adopted and DRO appears to be quite high @ 9,330 ppb. Former Staff
2/8/2001 Update or Other Action JBC: Recommends that an additional monitoring well be installed at site. John Carnahan
5/22/2002 Update or Other Action JKW: Travis/Peterson submits report for wellpoint installation northwest of MW-1. Groundwater tested for BTEX, GRO, and DRO. Benzene detected below cleanup levels. Janice Wiegers
3/17/2003 Update or Other Action Rockwell Engineering submits a Proposed Plan of Action on Jan 29, 2003. Sharon Richmond
5/5/2003 Update or Other Action Suggested continued monitoring for solvents and delineation of groundwater contamination around former AST. Workplan to be submitted soon for work to be done Summer 2003. Sharon Richmond
6/11/2003 Long Term Monitoring Established Received letter from Rockwell Engineering & construction (RPCON) stating that the long term monitoring plan approved in May 2003 will be implemented in early June 2003. The letter stated that long term monitoring was the first priority. The approval letter from Richmond in May 2003 (email) indicated that the former AST was still a concern since GRO, DRO and total BTEX at the water table were 423, 8410, and 35.4 mg/kg, respectively. Richmond comments also stated that indoor air quliaty must be addressed, continued monitoring for PCE was neccesary , and documentation on the closure of the former Class V injection well was not on file at DEC. Sharon Richmond
10/13/2004 Document, Report, or Work plan Review - other The 2004 Groundwater sampling report was received for 3615 Braddock Street. Groundwater samples were collected from the MW-1, DP-1 and the on-site well which is a deeper well. All the samples were analyzed for DRO. All samples taken from DP-1 and the deep well on-site were non-detect. MW-1 had 17.9/20.2 mg/L DRO on 5/18/04 and 11.3/13.1 mg/L on 9/14/04. They propose sampling again in May of 2005. Deborah Williams
10/19/2005 Document, Report, or Work plan Review - other ADEC staff reviewed the report with the results from September 12, 2005 groundwater sampling. According to the report, test results for MW-1 show DRO concentrations of 9.61 mg/L and 8.22 mg/L (duplicate). The test results for DP-1 and the on-site deep well that serves the shop bathroom were non-detect. Rockwell concludes that DRO in MW-1 continues its overall downward concentration trend. The next sampling event is scheduled for September 2006. Deborah Williams
10/12/2006 Document, Report, or Work plan Review - other ADEC received the 2006 groundwater monitoring report for the 3615 Braddock Street site. Three wells were sampled during the sampling event: MW-1, DP-1, and water well B3615-DW. Both DP-1 and the drinking water well were non-detect for DRO and MW-1 had 6.82 mg/L of DRO. Deborah Williams
12/1/2006 Institutional Control Record Established A Notice of Environmental Contamination shall be filed with the State of Alaska, Recorders Office that identifies the nature and extent of contamination remaining at the site and any site specific conditions. The ADEC Database shall also note the nature and extent of the contamination remaining on site and the site specific conditions. In accordance with 18 AAC 75.325(i), the removal and/or disposal of soil or groundwater from this site to an off site location requires ADEC review and approval. If the contaminated soil remaining on site becomes accessible and/or is determined to pose a risk in the future, a plan to address the contamination shall be submitted to ADEC for review and approval. Kim DeRuyter
12/1/2006 Update or Other Action Conditional Closure letter will be issued upon receipt of the Deed Notice. Kim DeRuyter
2/9/2007 Exposure Tracking Model Ranking Baseline ranking complete based on current site conditions. Kim DeRuyter
2/9/2007 Update or Other Action A copy of the Deed Notice which has been recorded with the Fairbanks Recording District was received from Osborne Construction Co. Kim DeRuyter
2/9/2007 Conditional Closure Approved Conditonal Closure status approved. DRO up to 19,900 mg/kg and GRO up to 593 mg/kg remain in the soil beneath the former AST, and buried underground storage tank. Groundwater has been impacted and a sample from MW-1 near the former used oil USTcontained 6.82 mg/L DRO on 9/12/06. However the contaminated soil has been removed to the extent practical, and the groundwater plume is decreasing in concentration and is not migrating off site. Kim DeRuyter
5/3/2011 Institutional Control Compliance Review IC review conducted, staff changed to IC unit, periodic reporting added as an IC Requirement, and the reminder system was activated. Evonne Reese
5/16/2013 Long Term Monitoring Complete Administrative action added during a quality control check. Kristin Thompson
5/14/2014 Institutional Control Update An IC reminder letter was issued to the responsible party on this date. Kristin Thompson
6/24/2019 Institutional Control Update An Institutional Controls reminder letter mailed to the landowner on this date. Mossy Mead
11/22/2023 Institutional Control Compliance Review IC compliance review completed on 11/22/23 and an IC reminder letter was issued to the landowner. Livia Bracker

Contaminant Information

Name Level Description Media Comments
DRO > Human Health/Ingestion/Inhalation Soil
GRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil
RRO > Human Health/Ingestion/Inhalation Soil
DRO > Table C Groundwater

Control Type

Type Details
Notice of Environmental Contamination Conditional Closure will be issued when proof of recording of the Notice of Environmental Contamination is received.

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.
When Contaminated Soil is Accessible, Remediation Should Occur
Periodic Review Contact RP every three years to verify that the site conditions and uses have remained consistent.

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