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Site Report: World Wide Movers Class V Injection Well & OWS

Site Name: World Wide Movers Class V Injection Well & OWS
Address: 934 Elizabeth Street, Fairbanks, AK 99709
File Number: 102.38.203
Hazard ID: 27082
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 64.853071
Longitude: -147.769258
Horizontal Datum:WGS84

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 floor-drain system consisting of an oil-water separator (OWS) with an outlet for oil leading to an underground tank on the south side of the World Wide Movers (WWM) building and a second outlet for water leading to a soil absorption system (SAS) leach field located approximately 50 feet south of the building was identified at the site in 2014. The SAS was classified as an underground injection control (UIC) Class V Motor Vehicle Waste Disposal Well by the Environmental Protection Agency (EPA). In 2015 the floor-drain system was removed and soil sample results indicated that PCE was present in soil beneath the underground tank and the SAS at concentrations above the ADEC cleanup levels established in 2008. A groundwater sample from a temporary well point installed under the SAS reported PCE and other VOCs were present below the cleanup levels applicable at that time. Additional groundwater and subslab soil gas sampling was completed in October 2016 to further delineate contamination. Analytes were not detected above ADEC cleanup levels in the groundwater sample. Freon 12 and chloroform were detected in one subslab soil gas sample above ADEC commercial target levels. In November 2016, ADEC cleanup levels were updated. The updated cleanup levels increased the migration to groundwater cleanup level for PCE from 0.024 mg/kg to 0.19 mg/kg and decreased the groundwater cleanup level for Freon 12 from 7,300 µg/L to 200 µg/L. As a result, the PCE contamination that was previously identified in soil was no longer above its ADEC cleanup level and Freon 12 previously detected in groundwater now exceeded the updated cleanup level. In 2017 indoor air samples were collected from the WWM building and a temporary well point was installed and sampled inside the shop. Freon 12 and several petroleum-related VOCs were detected in the indoor air sample at concentrations below ADEC commercial target levels. There were no analytes detected above ADEC cleanup levels in the groundwater sample. In October 2019 two temporary well points near the downgradient property boundary were installed and three indoor air samples were collected from the shop, office, and warehouse of the WWM building to confirm site conditions. No contaminants were detected in either groundwater sample. The indoor air sampling results indicated PCE and 1,2,4-trimethylbenzene concentrations were above commercial target levels, but were attributed to chemical use in the shop and not vapor intrusion. Site characterization and remediation activities at the site will be concluded on July 8, 2020 with the decommissioning of MW-1. Information regarding removal of 4 regulated underground storage tanks (USTs 1-4) is being tracked under Hazard ID 24967, file no. 102.26.154.

Action Information

Action Date Action Description DEC Staff
4/22/2005 Update or Other Action Sent a Notice of Release letter to the owners requesting a Release Investigation. Deborah Williams
10/6/2014 Update or Other Action Sent a letter to the RP asking for clarification of waste oil tank and UIC identified during 1989 EPA inspection. Jim Fish
10/14/2014 Update or Other Action Received a phone from RP in response to 10/6 letter - indicated that there was no waste oil tank. Suggested he contact EPA UIC Program and clarify. Jim Fish
4/10/2015 Update or Other Action Requested RP contact EPA Region 10 UIC Program to follow-up with suspected waste oil tank and UIC identified during 1989 EPA inspection. Jim Fish
4/17/2015 Update or Other Action Letter from UST Program sent to RP requiring closure of Oil/water separator UST, that stored used oil, by August 30, 2015. Jim Fish
7/24/2015 Update or Other Action Received UST and UIC closure work plan from consultant. Jim Fish
8/17/2015 Document, Report, or Work plan Review - other Received amended work plan for UST and UIC closure. Jim Fish
8/18/2015 Meeting or Teleconference Held Teleconference with consultant held to clarify approach to UIC assessment and adherence to UST regulations. Jim Fish
8/21/2015 Update or Other Action Received second revised UST & UIC Closure work plan. Jim Fish
8/24/2015 Update or Other Action Received USEPA UIC Program approval of UIC closure plan. Jim Fish
8/25/2015 Site Characterization Workplan Approved Conditionally approved revised UST and UIC closure work plan, submitted 21 August, 2015. Jim Fish
12/10/2015 Document, Report, or Work plan Review - other Received UST and UIC Site Assessment Closure Report from consultant. PCE above cleanup levels found at the soil-groundwater interface beneath the UST and UST piping, as well as in the soils of soil adsorption system (leach field). PCE was also detected in groundwater (below cleanup levels) beneath the soil adsorption system. Additional Release Investigation recommended by consultant. Jim Fish
3/31/2016 Update or Other Action Sent a letter to the RP requesting additional site investigation of soil and groundwater contamination at the SAS, under the former OWS, and under the building; and to determine if contaminated groundwater is moving off-site. Requested 4-inch roof drain pipe currently plumbed to former SAS be rerouted to avoid spreading remaining soil contamination; Requested remediation or removal of contaminated soil if they pose a risk to building occupants; Also advised coordination with EPA Region 10 UIC Program for reclassification or closure of the MVWDW. Jim Fish
3/31/2016 Update or Other Action Received a copy of Class V Injection Well Closure/Reclassification recommendation letter to RP, from USEPA Region 10. Jim Fish
9/27/2016 Document, Report, or Work plan Review - other Received work plan for release investigation at the former used oil UST and UIC soil absorption system; groundwater sampling & monitoring, as well as sub-soil gas collection beneath the WWM building. Jim Fish
11/18/2016 Site Characterization Workplan Approved Revised work plan for release investigation, with soil sampling, groundwater sampling (involving both temporary and permanent monitoring wells), and sub-slab soil gas sampling, approved. Jim Fish
12/13/2016 Update or Other Action Reviewed and approved request to decommission soil stockpile from October 2015 UST excavation activities, and concurred with the determination that excavated soils did not contain listed of characteristic hazardous waste. Soils approved for reuse on the site as fill material. Jim Fish
2/24/2017 Update or Other Action Sent work plan for groundwater evaluation and sub-slab sampling to Region 10 EPA UIC Program. Jim Fish
4/5/2017 Update or Other Action Received release Investigation Letter report from consultant. Jim Fish
4/14/2017 Meeting or Teleconference Held Discussed Release Investigation report and changed groundwater cleanup levels with RP and consultant, and agreed on evaluating vapor intrusion potential in building, and investigating groundwater for contaminants found in sub-slab soil gas. Jim Fish
6/1/2017 Update or Other Action Received updated/revised work plan addendum for indoor air sampling and groundwater sampling from former oil/water separator. Jim Fish
6/8/2017 Document, Report, or Work plan Review - other Addendum to Release Investigation Work Plan approved. Indoor air sampling in office space will be conducted, and if contaminants are identified in groundwater from beneath the oil-water separator in excess of their ADEC cleanup levels, the extent and magnitude of the contamination will be determined. Jim Fish
9/1/2017 Update or Other Action Consultant indicated successful attempt to sample groundwater beneath oil-water separator pit, as planned. Jim Fish
3/16/2018 Document, Report, or Work plan Review - other 2017 Release investigation report received, documenting last year’s groundwater and indoor-air sampling and oil/water separator closure activities at the site. Jim Fish
5/14/2018 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 80227 name: UIC & Soil Adsorption System Jim Fish
5/14/2018 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 80227 UIC & Soil Adsorption System . Jim Fish
5/14/2018 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 80228 name: OWS Jim Fish
5/14/2018 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 80228 OWS. Jim Fish
5/6/2019 Site Added to Database A new site has been added to the database Mitzi Read
5/30/2019 Workplan Requested DEC requested a site characterization work plan by the deadline of July 15, 2019. Megan Roberts
6/25/2019 Meeting or Teleconference Held World Wide Movers staff, their environmental consultants, and DEC staff met to discuss the development of a site characterization work plan. Discussions centered around what site characterization activities are needed to move the site towards closure. DEC indicated additional air and groundwater sampling is needed. Megan Roberts
10/3/2019 Site Characterization Workplan Approved Proposal and 2019 Work Plan Addendum for Site Characterization approved on this date. Plan includes sampling at two temporary well points along the property boundary downgradient of the former SAS and OWS and collecting three indoor air samples--one in the office area and two in the warehouse. Rebekah Reams
12/17/2019 Update or Other Action World Wide Movers 2019 Site Characterization Summary Report submitted by Shannon & Wilson. Rebekah Reams
1/28/2020 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 80227 UIC & Soil Adsorption System . Rebekah Reams
1/28/2020 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 80228 OWS. Rebekah Reams
2/27/2020 Document, Report, or Work plan Review - other DEC provided comments on the Summary Report for World Wide Movers 2019 Site Characterization. Rebekah Reams
3/3/2020 Update or Other Action DEC requested work plan for decommissioning of MW-1 Rebekah Reams
6/11/2020 Document, Report, or Work plan Review - other Well decommissioning work plan was approved by ADEC on March 13, 2020 and well decommissioning is scheduled for July 8, 2020. Rebekah Reams
6/11/2020 Cleanup Complete Determination Issued Rebekah Reams

Contaminant Information

Name Level Description Media Comments
Tetrachloroethene < Method 2 Most Stringent Soil
Tetrachloroethene < Table C Groundwater
Trichloroethene < Table C Groundwater

Control Type

Type Details
No ICs Required

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.
Movement or use of contaminated material (including on site) in a manner that results in a violation of the water quality standards is prohibited (18 AAC 70)
Hazard ID Site Name File Number
24967 World Wide Movers USTs 1 - 4 102.26.154

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State of Alaska Department of Environmental Conservation

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Juneau, AK 99811-1800
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