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Site Report: Wildwood AFS Main Complex Area UST 502-1

Site Name: Wildwood AFS Main Complex Area UST 502-1
Address: 3.5 Mile North Kenai Road, Wildwood Drive, Kenai, AK 99611
File Number: 2320.38.051
Hazard ID: 25200
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 60.582247
Longitude: -151.305877
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

Former UST 502-1 was a 500-gallon diesel storage tank located near the southwest extent of the facility that supplied fuel to the station’s guard shack. The tank was installed in 1957 and removed in 1994. Petroleum-contaminated subsurface soil was identified beneath the tank during the tank removal. DRO concentrations in samples from beneath the tank were 6,300 and 11,000 mg/kg. Additional investigation was conducted during the RI. The work included installation and sampling of two monitoring wells, three microwells, and two soil borings. The analytical testing program included soil analyses for DRO, GRO, TRPH, BTEX, and Fuel ID. The program included analysis of groundwater for DRO, GRO, TRPH, BTEX, and Fuel ID. Depth to groundwater is approximately 25 to 27 feet bgs. DRO contamination was found in soil through the vadose zone to the groundwater table at the former tank location. No free product was observed, however a smear zone was indicated to be present. DRO concentrations in soil at AP-303 adjacent to the former tank location ranged from 71 to 6,900 mg/kg. The soil samples with elevated DRO concentrations were not analyzed for BTEX. Results suggest the contamination is attributable to a subsurface release from the UST or piping, however potential surface spillage was indicated.

Action Information

Action Date Action Description DEC Staff
4/7/1990 Site Added to Database Gasoline, diesel fuel, asphalt tar and lead in soil. Fuels and low level vinyl chloride, in groundwater. (Date adjusted from 8/16/1991 for report/query consistency. (Reese)) Former Staff
4/7/1990 Update or Other Action Phase II HTRW report completed. Several areas found to be contaminated with petroleum or other hazardous substances. Drums of wastes appear to be leaking. Tank Farm, drum storage area and burned quonset hut containing electrical equipment appear to be highest priorities. John Halverson
7/1/1990 Site Ranked Using the AHRM Ecology and Environment site scores HRS I = 24.31, HRS II= 9.29. HRS I is below EPA score of 28.5 for potential inclusion on the NPL. No further action planned under CERCLA. Former Staff
2/3/1992 Interim Removal Action Approved Corps Draft Final Report for Wildwood Air Force Station, by OHM, documents a removal conducted under FUDS program. Removed ~200 drums of wastes, ~85 five-gallon containers, approximately 75 other containers of paints, oils, pesticides, eleven transformers (non-PCB), petroleum contaminated soil from several areas and dioxin contaminated soil from the ACS Mars Quonset hut area. John Halverson
11/10/1993 Update or Other Action Quest Environmental removed the fuel tanks and ~3 feet of soil from beneath them. Residual soil contamination remains. Soil placed in a long-term stockpile. John Halverson
5/12/1994 Update or Other Action Received final report on dioxin and furan contaminated soil at the ACS Mars Quonset Hut. Conclusion was that remaining soil did not pose an unacceptable risk. John Halverson
1/25/1995 Site Characterization Report Approved Received draft final Phase III Remedial Investigation Report - Cleanup Decision; petroleum identified as the most prevalent contaminant of concern in soil and groundwater (15 different source areas); lead in soil at three sites; vinyl chloride in groundwater beneath the landfill. Off-site migration was only found at the former tank farm, where petroleum contamination has migrated parallel to Wildwood Drive. Recommendations included no further action at 16 areas and soil removal or remedial design at nine areas. John Halverson
3/25/1995 Update or Other Action Received an Engineering Evaluation/Cost Analysis (EE/CA) from E&E for soil removal and treatment or disposal from the following sites: Main Complex - drum storage area, maintenance Building 55; ACS MARS Facility - former UST locations; Quonset Hut Area - petroleum stained soil, metals contaminated ash from burned building; Operations Building - drums storage area, AST/UST areas, transformer area; High Frequency Facility - transformer location, stockpiled soil; Trench Area Burn Pit. Also included disposal of building debris, creosote poles, septic tanks. John Halverson
4/7/1995 Interim Removal Action Approved Received Underground Storage Tank Closure Assessment and Pipeline Removal report, dated March 1995, by Shannon and Wilson. The report documents UST and pipeline removal work done at the main complex and the ACS Mars facility. The following USTs were addressed: ACS Mars - USTs (none met the matrix cleanup level) 253-1, 257-1, 251-1, 250-1; Main Complex - 5-1, 5-2 and 502-1, the following USTs at the main complex met matrix cleanup levels 21-1, 3-1, 4-1, 15-1 and 17-1. Remedial investigation work was being done by E&E. John Halverson
8/22/1995 Long Term Monitoring Established Received final Groundwater monitoring plan documents. Established quarterly and semiannual monitoring program for various wells on- and off-site over the next five years. John Halverson
8/22/1995 Update or Other Action Received final - Baseline Human Health Risk Assessment Report, by E&E, August 1995. Concluded unacceptable risk may exist under current or future land use scenarios at the following: off-site residences downgradient from the former tank farm, Operations building groundwater, Landfill area groundwater, rifle range, firing range and trench area burn pit. Proposed an alternative soil cleanup level of 3,200 mg/kg DRO. John Halverson
4/1/1996 Risk Assessment Report Approved Received final - Wildwood Ecological Risk Assessment, Tier 1: report recommended further analysis under Tier 2 sampling or conducting removal/remedial actions to address hot spots. John Halverson
4/18/1996 Proposed Plan The Corps finalized the proposed plan. Preferred alternatives included: Main Complex tank farm and USTs 5-1 and 5-2 - vapor extraction and air sparging; Maintenance Building ACS MARS, Quonset Hut and Disposal Trench Area Burn Pit - soil excavation and off-site treatment followed by no further action; Operations Building - excavation and off-site treatment followed by natural attenuation and institutional controls; Landfill and Disposal Trenches - capping, natural attenuation (landfill area only) and institutional controls. John Halverson
6/3/1996 Update or Other Action Received a groundwater monitoring report for tank farm area from sampling in November 1995. John Halverson
6/3/1996 Update or Other Action Received a groundwater monitoring report for tank farm area from sampling in August 1995. It covered the main complex area tank farm and USTs (significant fuel contamination), ACS/MARS facility (low level DRO), Operations Building (DRO and low TEX), Landfill (low level VOCs) and Trench disposal areas (DRO and benzene at burn pit area). John Halverson
8/27/1996 Update or Other Action Received the December 1995 groundwater monitoring event report. It covers the tank farm area and former USTs at the main complex (significant petroleum contamination in GW at and downgradient from tank farm), the ACS MARS facility and Quonset Hut area (low level DRO in GW), the Operation Building (DRO and TEX in GW), Landfill (low level VOCs) and Trench Disposal Areas (DRO, benzene at burn pit area). John Halverson
8/27/1996 Update or Other Action Received the groundwater monitoring results from sampling in March 1996. It only included the tank farm area and USTs at the main complex area. John Halverson
11/22/1996 Interim Removal Action Approved Received final "Remedial Action Report Interim Removal Action, Wildwood AFS" by Harding and Lawson Associates, October 28, 1996. Conclusions, based on confirmation samples at the end of the removal, include: ACS Mars - UST 250 and 253 meet cleanup levels, UST 251 did not (DRO 500 -3,400 mg/kg in soil); Quonset Hut Area - DRO 2,800 - 5,900 in soil; Trench Area Burn Pit - DRO 12,00 - 18,000 mg/kg; Main Complex - Building 55 and Drum Storage Area met cleanup levels; High Frequency Facility - up to 4,500 mg/kg DRO remains. John Halverson
8/13/1997 Update or Other Action ADEC received the Work Plan for Phase II Remediation, Wildwood AFS, by HLA Wilder, dated July 2, 1997. Plan called for capping the disposal trenches and landfill areas with a soil cover and revegetating them, excavation and treatment of lead contaminated soil from the firing and rifle range, excavating and treating petroleum contaminated soil from the operations building transformer, UST and AST areas and installing an air sparing/vapor extraction system at the former tank farm. ADEC comments on the draft workplan were not all adequately addressed (i.e. it calls for excavating to pre-determined limits rather than to achieve cleanup levels) and no formal approval was given on the workplan. John Halverson
12/9/1997 Update or Other Action Received the groundwater monitoring report for sampling done in July 1997. Groundwater levels have dropped significantly, some MWs have gone dry. Sampling was done at the tank farm and former USTs at the main complex (sheen and noticeable fuel odor present in two MWs, free product in MW AP-365; also 1,2 DCA level increased in a downgradient, off-site MW), Landfill (low level VOCs), Operations Building (up to 6 mg/l DRO), Rifle range (260 ug/l total lead) and Firing Range (12 ug/l total lead). John Halverson
10/7/1998 Update or Other Action ADEC sent a letter to the Corps approving operation of the vapor extraction system without running the thermal oxidizer. The approval is based on the condition that a startup report be provided within 30 days after the 5 day startup period, the monthly and annual monitoring report be provided to DEC, if the VOC concentration in the stack monitor exceed 2,000 ppm - ADEC be notified immediately. This was based on air dispersion modeling done in the remedial design, the low levels of VOCs encountered thus far and challenges operating the thermal oxidizer. John Halverson
12/15/1998 Update or Other Action Received groundwater monitoring report for sampling in February 1998. It covered sampling at the former tank farm area (water level continued to drop, has fallen from 3.5 to 6.5 feet since 12/95; four MWs contained measurable free product, 1,2DCA continued to increase in downgradient MW) and the Rifle Range (resampled for total and dissolved lead, dissolved lead was <1 ug/l, total lead was 95 ug/l). John Halverson
5/5/1999 Update or Other Action Received groundwater monitoring report for sampling done in May 1998. Tank farm area (water level still low, free product in four MWs). John Halverson
5/5/1999 Update or Other Action Received groundwater monitoring report for sampling done in February 1999. Tank farm area (free product in 3 MWs, several new MWs installed due to drop in water levels, new wells have longer well screens, samples from these wells had significantly lower contaminant levels that the samples from the original MWs), other areas not sampled. John Halverson
5/5/1999 Update or Other Action Received groundwater monitoring report for sampling done in July 1998. Tank farm area (GW level rose slightly, free product found in 3 MWs, GRO increasing in down-gradient MW, 1,2DCA increasing in downgradient MW), Landfill area (low level VOCs, near cleanup levels), Operations building (DRO low levels, need new wells in better locations), Rifle range (total lead and antimony decreased, dissolved lead and antimony N/D), Firing range (total and dissolved lead and antimony N/D). John Halverson
5/11/1999 Update or Other Action ADEC received the groundwater monitoring report for sampling done in February 1999 at the former tank farm area. Several new MWs were installed in late 1998 to replace wells that had gone dry due to falling water levels. The new wells have longer well screens. Sample results from these wells were generally much lower than from the original wells and may be due to a dilution effect from having a larger screened interval. Free product is present in three wells (two along the southern boundary of the site). 1,2 DCA in the downgradient, off-site well showed another slight increase in concentration. John Halverson
8/4/1999 Update or Other Action ADEC received a draft revised groundwater monitoring plan for Wildwood AFS. ADEC responded with several comments on August 19, 1999. Corps will conduct one round of sampling, install the additional wells recommended, properly abandon wells that are no longer in use and then provide another draft monitoring plan, based on new information obtained in this initial sampling event. John Halverson
9/3/1999 Update or Other Action ADEC received "Remedial Action Report, Phase II Remediation" by Harding and Lawson/Wilder, dated August 25, 1999. The report documents cleanup work done between June 1997 and November 1998. Main Complex drum storage area was cleaned up to levels specified in the contract. Operations Building - transformer area and drum storage area have residual DRO contamination; transformer casing and concrete sent to landfill. Rifle and firing ranges - lead contaminated soil was excavated and shipped to a TSDF; cleanup levels were achieved (<400 mg/kg Pb in soil). Landfill and disposal trenches were capped, graded and revegetated. Main Complex - air sparging/vest installed and operating at the former tank farm area. John Halverson
10/6/1999 Update or Other Action ADEC received the Operations and Maintenance Manual AS/VE Remediation System Wildwood AFS, dated October 6, 1999 (HLA/Wilder). It documents that construction of the air sparging and vapor extraction system along with the operations and maintenance requirements. John Halverson
6/30/2000 Update or Other Action ADEC received a Semi-Annual Interim Report - November 1999 through April 2000. It describes the operations and maintenance work conducted. It also notes that 11 additional monitoring wells (MW 17- MW 27) were installed earlier in 1999, however, the details on those wells is not included in this report. Respiration testing showed biodegradation is occurring, but at a low rate. Vapor monitoring from the VES and calculations indicate ~3,200 gallons of fuel were removed between startup and April 2000 through vapor extraction. John Halverson
7/5/2001 Update or Other Action ADEC received the Former Wildwood Air Force Station October 1999 - December 2000 Groundwater Monitoring Report, dated June 29, 2001, by E&E. It documents six quarterly sampling events, installation of 10 monitoring wells (MW 8 -MW 16) in September and October 1999 at and downgradient from the former tank farm and two additional wells (MW 28 - MW 29) installed in July 2000. The laboratory results indicate GRO/BTEX concentrations have decreased significantly in the plume from the former tank farm. The DRO concentrations have not decreased as significantly and its plume size has been pretty stable. Concentrations of 1,2-DCA in downgradient wells also have to have decreased. Measurable free product appears to have reduced to the area around MW-5, which has been connected to the treatment system and was not monitored for product after July 2000. John Halverson
9/12/2002 Site Number Identifier Changed Workplan changed from X1 to X9. Sequence Number changed to 04 from 01 to accommodate changing the Workplan. The DBA pointed out to the project manager that despite this site being listed as a petroleum site, DCA appears to be another major chemical of concern. John Halverson
4/5/2004 Update or Other Action Staff reviewed the January 2004 groundwater monitoring report and requested the Corp provide an engineering evaluation of the effectiveness on shutting the system down over the winter. Debra Caillouet
5/25/2004 Update or Other Action Staff reviewed a work plan for redevelopment of the sparge points. Debra Caillouet
2/3/2005 Update or Other Action File number issued 2320.38.051 Aggie Blandford
6/2/2005 Site Characterization Workplan Approved A work plan for Site Characterization and Attenuation Monitoring was approved with minor comments. The work plan describes the planned investigation to delineate further the locations of remaining NAPL at the various source areas within the former Wildwood AFS using the Rapid Optical Screening Tool (ROST), Laser-Induced Fluorescence (LIF). It includes sampling and analysis to calibrate the results of the ROST LIF work and to further characterize contaminant nature and obtain data with which to evaluate the status of each source area using current Method II and III tools, and possibly a 4-phase partitioning model. Sampling and analysis will also obtain data with which to evaluate natural attenuation occurrence at each source area. Debra Caillouet
6/21/2005 Meeting or Teleconference Held Staff visited all of the Wildwood sites with the new project manager and the environmental engineer for the site. Staff also observed the ROST/LIF in operation. Debra Caillouet
5/15/2006 Update or Other Action Groundwater monitoring report for Jan 06 approved Debra Caillouet
5/25/2006 Cleanup Plan Approved Staff approved the groundwater monitoring plan for the former tank farm area for 06-08 Debra Caillouet
1/29/2007 Site Characterization Report Approved Staff approved the Draft Report, Soil Sampling, October 2006, Former Wildwood Air Force Station. The report presents the results of soil sampling at the former tank farm. Sample locations were chosen based on the highest responses from the characterization that was done with the ROST/LIF. Contamination remains at the smear zone in the center of the site up to 5000 mg/kg DRO. The correlation with the ROST/LIF results was excellent. Debra Caillouet
6/15/2007 Update or Other Action The Declaration of Project Closure Decison for the CON/HTRW project at Wildwood was signed. Debra Caillouet
9/5/2007 Update or Other Action Staff reviewed and prepared comment on No DOD Action Indicated Report, Wildwood AFS, F10AK0251 HTRW Project 03, Draft July 07 The report summarizes the actions and data for twelve areas of concern at the former Wildwood Air Force station that are located at the High Frequency Facility, ACS MARS facility, Operations Building Facility, Rifle Range, Firing Range, Main Complex, and the Main Drum Storage Area. Comments on the draft document are being provided on the attached table. In general, DEC agrees with the conclusions to close these sites after the appropriate public comment period with the exception of the High Frequency Facility where the data supports a Conditional Closure. Debra Caillouet
9/5/2007 Site Characterization Report Approved The ROST/LIF Investigation, Former Wildwood Air Force Station, Revision 1, April 2007 Report was reviewed and approved. The report presents the results of the investigation at multiple areas within the former Wildwood AFS during the summer of 2005. The logs from the ROST/LIF are presented along with laboratory analysis results. The report provides valuable site characterization data to support future decisions and generally meets the requirements of 18 AAC 75.335 Site Characterization. Debra Caillouet
11/8/2007 Site Characterization Report Approved Staff approved the May05-May06 Groundwater monitoring report Debra Caillouet
11/16/2007 Exposure Tracking Model Ranking Debra Caillouet
1/25/2008 Site Characterization Report Approved The 04-05 Groundwater Monitoring report was approved Debra Caillouet
6/6/2008 Site Characterization Report Approved Staff approved the Gw Annual Report, Fall 2006/Spring 2007, Wildwood AS/VE System Debra Caillouet
7/31/2008 Update or Other Action Staff reviewed the Draft Annual Groundwater Monitoring Report, Fall 2007-Spring 2008, Former Wildwood Air Force Station, Kenai, Alaska. DEC did not receive a copy of the laboratory data packages that are necessary to complete the review and approve the report. The well purging logs indicate that several wells are experiencing bio-fouling. Staff requested the Corps provide for redevelopment of these wells before the next sampling event and if possible treatment of these wells to remove the fouling. Debra Caillouet
8/19/2008 Update or Other Action comments were sent to the corp on the well decommisionin plan Debra Caillouet
9/23/2008 Site Added to Database A new site has been added to the database Mitzi Read
10/13/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 78515 name: UST 502-1 Debra Caillouet
7/20/2015 Update or Other Action The Corps was unable to obtain a right of entry to perform the tasks in Follow-Up Investigation Report, Additional UVOST Delineation, Soil Sampling, and Well Installation, Wildwood AFS Partly Mitigated Sites Project 04, Formerly Used Defense Site, F10AK-25104, Kenai Alaska Debra Caillouet
3/6/2019 Update or Other Action Letter sent to ACOE on this day (February 7, 2019) with a full site summary and recommended action. Joshua Barsis
7/5/2019 Update or Other Action Site location was updated on this date. Coordinates for this site are used to determine the presence and position of the site on BLM’s ANCSA Conveyed Land web map. Rebekah Reams
6/16/2020 Site Characterization Workplan Approved The department approved a workplan to conduct groundwater sampling at the Former Tank Farm and Operations Building AST/UST, 12-acre landfill, and UST 502-1. One new well will be installed at the location of UST 502-1. The sample collected from this well will be analyzed for DRO, VOC, and PAH. Contiguous soil sample cores and PID readings at one foot intervals will be collected from the soil borings, and the samples will be analyzed for DRO, VOC, and PAHs. Lisa Krebs-Barsis
8/20/2021 Site Characterization Report Approved ADEC reviewed the 2020 Groundwater Sampling Report for the Former Tank Farm, Operations Building Former ASTs/USTs, 12-acre landfill, and UST 502-1. At UST 502-1, one groundwater monitoring well was installed using a direct push method. Continuous soil borings were taken during well installation. A PID was used to field screen the soils at one-foot increments, and total of three soil samples were collected from the intervals with the highest PID readings. Samples were collected at the 17-18 feet interval (one primary sample and one duplicate) and at the 25-26 feet interval (one primary sample), and were analyzed for DRO (deviation from including PAH and VOC as well). DRO was detected in soil in the MW-1 boring at a concentration of 2,200 mg/Kg QLat 17-18 feet bgs, above the ADEC soil cleanup criteria of 250 mg/Kg. A soil sample collected at the groundwater interface (25-26 feet bgs) was below the screening criteria. The monitoring well MW-1 was sampled for DRO, PAH, and VOC. DRO was detected in MW-1 at a concentration of 0.834 mg/L below the ADEC groundwater criteria of 1.5 mg/L. No other analytes were detected in groundwater. Lisa Krebs-Barsis
8/26/2021 Site Characterization Workplan Approved The 2021 and 2022 Groundwater Sampling Work Plan Addendum for the Former Tank Farm, Operations Building Former ASTs/USTs, 12-acre Landfill and UST 502-1 received on August 25, 2021 is approved.In 2021 at UST 502-1, MW-1, installed in 2020, will be sampled and analyzed for DRO. In 2022, MW-1 will be sampled and analyzed for DRO. Lisa Krebs-Barsis
5/25/2023 Document, Report, or Work plan Review - other DEC approved the Final Groundwater Sampling Work Plan Addendum, Wildwood AFS Former Tank Farm, Operations Building Former ASTs/USTs, 12-acre Landfill, and UST 502-1-, and Third-Party Waiver Request, dated April 2023. The work plan describes the scope of work for the sampling of groundwater monitoring wells at the Former Wildwood Air Force Station (AFS) Operations Facility, 12-acre Landfill, and Underground Storage Tank (UST) 502-1. Groundwater will be analyzed for diesel-range organics (DRO) at the Operations Facility and at the at the former UST 502-1. At the 12-acre landfill groundwater will be sampled for vinyl chloride. The work plan included a waiver request under 18 AAC 75.390(b) for the requirement in 18 AAC 75.333(b)(1) that a qualified environmental professional (QEP) be an impartial third party. DEC approved the Third-Party Waiver Request. Ginna Quesada
5/26/2023 Document, Report, or Work plan Review - other DEC approved the 2021 Groundwater Sampling Report, Wildwood AFS Formerly Used Defense Site (FUDS), Property F10AK0251, dated March 2023. The report describes the sampling of groundwater monitoring wells at the Former Wildwood Air Force Station (AFS) Operations Facility, 12-acre Landfill, and Underground Storage Tank (UST) 502-1 to evaluate the remaining groundwater contaminant trends at the sites. Groundwater was analyzed for diesel-range organics (DRO) at the Operations Facility, volatile organic compounds (VOCs) at the 12-acre Landfill, and DRO at the former UST 502-1. DRO was detected at the Operations Facility, in monitoring well MW-2, at concentration of 2.18 milligrams per liter (mg/L), exceeding the 18 AAC 75.345 Table C groundwater criteria of 1.5 mg/L. Vinyl chloride was detected at the 12-acre Landfill, at a concentration of 0.21 micrograms per liter (µg/L), above the 18 AAC 75.345 Table C groundwater criteria of 0.19 µg/L in MW-01. Ginna Quesada
2/23/2024 Document, Report, or Work plan Review - other DEC reviewed the 2022 Groundwater Sampling Report Wildwood AFS Formerly Used Defense Site (FUDS) Property F10AK0251 HTRW Project -05 Former Tank Farm, CON/HTRW Project -06 Operations Building Former ASTs/USTs, HTRW Project -07 12-acre Landfill, and CON/HTRW Project -08 UST 502-1 Kenai, AK, dated June 2023. The report describes the 2022 groundwater monitoring event at the former Tank Farm, 12-acre Landfill, UST 502-1, and at the Operations Building Former ASTs/USTs sites located at the Wildwood Air Force Station, Alaska. The report recommends continued monitoring at the Operations Building and 12-acre Landfill and project closeout after the remaining sampling events. Reduced sampling frequency is proposed at the Tank Farm and the decommissioning of groundwater monitoring wells and project close out for the UST 502-1 site. Ginna Quesada
4/5/2024 Document, Report, or Work plan Review - other DEC has reviewed and approved the 2022 Groundwater Sampling Report Wildwood AFS Formerly Used Defense Site (FUDS) Property F10AK0251 HTRW Project -05 Former Tank Farm, CON/HTRW Project -06 Operations Building Former ASTs/USTs, HTRW Project -07 12-acre Landfill, and CON/HTRW Project -08 UST 502-1 Kenai, AK, dated June 2023. The report describes the 2022 groundwater monitoring event at the former Tank Farm, 12-acre Landfill, Underground Storage Tank (UST) 502-1, and at the Operations Building Former Aboveground Storage Tanks (ASTs) /USTs sites located at the Wildwood Air Force Station, Alaska. The report recommends continued monitoring at the Operations Facility and 12-acre Landfill and project closeout for the UST-502-1 site. Brian Watts
5/10/2024 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 78515 UST 502-1. Brian Watts
7/9/2024 Cleanup Complete Determination Issued DEC approved closure of Wildwood AFS Main Complex Area UST 502-1. Brian Watts

Contaminant Information

Name Level Description Media Comments
DRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil Concentrations between Migration to Groundwater and Human Health. There are no groundwater concentrations above Table C. Migration to groundwater is not expected.

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)

No associated sites were found.

Missing Location Data

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