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Site Report: Clear SFS Site CD027 Former BMEWS Area

Site Name: Clear SFS Site CD027 Former BMEWS Area
Address: W End of E Street; Ballistic Missile Early Warning System Facility; Clear Air Force Station, Clear, AK 99704
File Number: 151.38.007, 151.38.012
Hazard ID: 26808
Status: Active
Staff: Tim Sharp, 9074512131 tim.sharp@alaska.gov
Latitude: 64.291944
Longitude: -149.185000
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

In June 2016, during demolition activities, aging paint containing polychlorinated biphenyls (PCBs) and lead were determined to be flaking from cement curbs and metal structures and entering the drainage system at the Ballistic Missile Early Warning System (BMEWS) at Clear Air Force Station. Demolition activities have taken place at the former BMEWS facility since 2016 and resulted in lead and PCB contamination of surface soils and drainages due to flaking lead and PCB-infused paint. During the demolition of the BMEWS and construction of the new LRDR in 2019, evidence of PCB contamination was found on the surface of concrete foundations at B101 and B102 in the form of oil-like stains. A TCRA was conducted in 2021 to remove PCB-contaminated concrete from the foundations of two buildings, B101 and B102. B101 still has four grid cells originally slated for removal; Grid Cells 8 and 40 (hazardous) and Grid Cells 35 and 49 (non-hazardous). Only one contaminated grid cell remains at B102, Grid Cell 40 (hazardous). 2018: an out-of-service well was discovered east of Building 101. Petroleum was found at the groundwater surface and sampling showed detectable concentrations of DRO and RRO with concentrations of RRO above the DEC CULs. The petroleum was pumped out and the well was developed into a monitoring well. Additionally, an abandoned well was discovered during demolition activities associated with Building 101. 2019: Shannon & Wilson developed the abandoned well using surge and purge methods. DRO was detected at 1.72 mg/L in the primary and 1.63 mg/L in the field duplicate sample. RRO was detected at concentrations of 1.72 mg/L and 1.63 mg/L in the primary and field duplicate samples. This site includes the following spill numbers: 17309915203, 18309914201, 18309914302, and 18309914401. This Hazard ID was formerly known as Clear AFS BMEWS Utilidors.

Action Information

Action Date Action Description DEC Staff
5/1/2017 Update or Other Action In May 2017, CSP was notified that construction activities were underway at Clear Air Force Station, and that flaking polychlorinated biphenyl (PCB)-contaminated paint had been observed in the soil at the facility. The Ballistic Missile Early Warning System (BMEWS) facility, which has been decommissioned since 2001, is slated for demolition to make room for the new Long Range Discrimination Radar (LRDR). The BMEWS facility includes ten buildings, three radar arrays, and ~1/2 mile of utilidors. Environmental sampling conducted in 2016, indicated that large areas of the facility were painted with PCB-containing paint. In May 2017, CSP conducted two site visits at CAFS. During the site visits, it was evident that a large amount of PCB-containing paint was flaking into floor drains, and several pools of an oil-like substance were observed throughout the facility. A large amount of PCB paint had flaked into the soil from the base of the radar arrays, and PCB-painted material had been moved into several piles around the facility. The US Air Force, Missile Defense Agency and Army Corps of Engineers (USACE) are all involved in the demolition and upgrade. The Spill Prevention and Response Division (SPAR) had not received prior notification of oil or hazardous substance releases that the DOD Services have been aware of them for some time. Jamie McKellar
5/5/2017 Update or Other Action WORK PLAN received: PCB Relocation to Pre-Transportation Area, WORK PLAN NO. 1 REV 05 Amendment 03 Rev 03 for Pacific Region MATOC FY 16 Demolition, Clear, AK. Dated April 20, 2017. Prepared by All Phase Services. The objective of this WP is to plan and complete demilitarization and removal of facilities at CAFS. Buildings 107, 108, and 109, (also ID’d as structures 735, 736, and 737); and demo of three berms (soil and concrete) associated with 735, 736, and 737. Jamie McKellar
7/21/2017 Update or Other Action WORK PLAN received and approved: Draft Demolition Work Plan, Ballistic Missile Early Warning System Remediation/Demolition of Two Utilidor Sections. Dated July 2017. Prepared by Brice Environmental Services. The WP indicates that field activities for the demolition portion of this project will consist of: Mobilization and site setup; Asbestos abatement; Structural demolition; Concrete curb demolition; Material transport and staging; Utilidor enclosure construction; and Site clean-up and demobilization. Jamie McKellar
7/21/2017 Document, Report, or Work plan Review - other WORK PLAN received and approved: Final Preliminary Assessment/Site Investigation (PA/SI) Work Plan, Ballistic Missile Early Warning System, Remediation/Demolition of Two Utilidor Sections. Dated July 2017. Prepared by Brice Environmental Services. This WP describes addresses the collection of analytical soil samples from catch basins along the utilidor. The work plan was received on July 17, 2017 and approved on July 21, 2017. A final draft was not submitted. Jamie McKellar
7/27/2017 Document, Report, or Work plan Review - other WORK PLAN MODIFICATION: On July 27, 2017, DEC received a proposed modification to the work plan (Preliminary Assessment/Site Investigation [PA/SI] Remediation/Demolition of Two Utilidor Sections, Dated July 2017. Prepared by Brice Environmental) via email. The proposed modification indicated that the "Consolidated PCB Temporary Staging Area", as described in sections 3.0, 3.4, 3.4.1, 3.4.2, and 3.4.3 of the draft final work plan, would be relocated to the area just east of the approved location, and on the same side of the road. DEC issued a same-day approval. Jamie McKellar
8/1/2017 Meeting or Teleconference Held MEETING: CLR033e Utilidor Demolition Weekly Synch Meeting 01AUG17. With regard to the Temporary Storage Area construction and maintenance, CAFS representatives advised DEC that the originally-approved site in the work plan (Preliminary Assessment/Site Investigation [PA/SI] Remediation/Demolition of Two Utilidor Sections, Dated July 2017. Prepared by Brice Environmental) is no longer feasible due to logistical issues. They were going to use the area north of the rail and east of the coal yard. However, it was anticipated that they would have a problem getting an easement approval from Golden Valley Electric Association (GVEA). The next choice is an area approximately 80 meters to the SE of the aforementioned site, on the south side of the rail. It is in a corner near the woods & rail and Brice Environmental indicated that there is enough space to do what they need to do. DEC inquired about drainage in the area. CAFS representatives indicated thatif needed, they have many cubic yards of fill material from the berms, and that the area can be built up. Jamie McKellar
11/8/2017 Spill Transferred from Prevention Preparedness and Response Program Spill transferred by PPRP staff Mike Garrett. Spill no. 17309915203; spill date = 6/1/17; substance = PCBs and lead; quantity = unknown; PPRP File No. 151.02.001; description: aging paint containing PCBs and lead, is flaking from cement curbs and metal structures and entering the BMEWS facility drainage system. Mitzi Read
11/9/2017 Document, Report, or Work plan Review - other WORK PLAN received and approved: Draft Final Demolition Work Plan, Characterization/Remediation/Demolition of BMEWS Utilidor 645 Section. Dated October 2017. Prepared by HydroGeoLogic, Inc. The primary objective of this project is to remove the utilidor section between Buildings 102 and 105. The work plan was submitted on October 3, 2017 and underwent multiple revisions. DEC approved the draft final work plan on November 9, 2017. A finalized version of the work plan was not submitted. Jamie McKellar
11/10/2017 Update or Other Action REPORT received: Draft Report Ballistic Missile Early Warning System, Remediation/Demolition of Two Utilidor Sections. Dated November 9, 2017. Prepared by Brice Environmental. This report describes the methods that were used to conduct demolition and remediation of two utilidor sections and describes activities associated with Preliminary Assessment/Site Investigation (PA/SI) activities conducted at the Clear Air Force Station. DEC approved the PA/SI on July 21, 2017. A modification to the PA/SI was approved on July 27, 2017. Jamie McKellar
11/15/2017 Site Added to Database A new site has been added to the database Mitzi Read
2/8/2018 Document, Report, or Work plan Review - other WORK PLAN received and approved: BMEWS Work Plan for Utilidor PCB Metal Debris and Concrete Disposal, Revision #2. Dated February 5, 2018. Prepared by Pika-Pirnie Joint Venture. The objectives for this work plan include the handling, transportation and disposal for the PCB impacted wastes (concrete and metal) generated during the demolition of a utilidor section near Building 106. The work plan was originally submitted to DEC on January 17, 2018 and revised twice. It was approved on February 6, 2018. DEC also reminded USACE and CAFS that 30 days should be factored into the scheduling of any work/report that requires DEC review. Jamie McKellar
2/21/2018 Update or Other Action WORK PLAN ADDENDUM RECEIVED: Draft Demolition Work Plan Addendum, Characterization/Remediation/Demolition of the BMEWS Structures, Clear Air Force Station, Alaska. Dated February 2018. Prepared by HydroGeoLogic. This Demolition WP Addendum addresses the following BMEWS structures: Buildings 101, 102, 103, 104, 105, 106, and remaining 645 Utilidor. This addendum is for the draft final work plan approved by DEC on November 9, 2017. A finalized version of the original work plan has not been submitted. Jamie McKellar
3/5/2018 Update or Other Action On 3/5/2018, DEC provided two preliminary comments to USACE/USAF, via email, for the Draft Demolition Work Plan Addendum, Characterization/Remediation/Demolition of the BMEWS Structures, Clear Air Force Station, Alaska. Dated February 2018 and prepared by HydroGeoLogic. Jamie McKellar
3/28/2018 Document, Report, or Work plan Review - other RTCs RECEIVED: Draft Final Demolition Work Plan Addendum, Characterization/Remediation/Demolition of Remaining Building 645 Utilidor Sections. Prepared by HGL. Dated March 2018. HGL now refers to this is a "mini addendum" to the work plan. The scope of work for this WP Addendum mirrors that provided in the approved Demolition WP (HGL, 2017a) and is being extended to the remaining Building 645 utilidor sections. The approximate length of the remaining utilidors is 1,762 linear feet. The transmittal email from HGL indicates that this is in addition to and separate from the full work plan addendum which addresses abatement and demolition activities for all structures included in our scope of work. Note that the version DEC previously provided comments on included Buildings 101, 102, 103, 104, 105, 106, and the remaining 645 Utilidor. Jamie McKellar
5/2/2018 Site Visit DEC performed a site visit of the BMEWS facility. As part of the visit, DEC observed that the BMEWS-type aboveground utilidors extends east from the coal power plant to the fire department in the "Technical" section of the base. This section of utilidors is not included in the BMEWS demolition. If this section of utilidors is constructed in the same manner as the BMEWS sections, multiple drains to soil and flaking PCB- and Lead-containing paint may be present. It is unclear if these sections are being maintained. It is recommended that an inspection of that section of utilidors be conducted at some point in the future. Monte Garroutte
5/3/2018 Update or Other Action INFORMATION REQUEST (via email): During the May 2, 2018 onsite visit, DEC observed sheening in the location of the former PCB staging area. Some of the sheen had a rainbow appearance and some had a milky appearance. DEC was unable to determine the source of the sheening. On May 3,2018, DEC advised USAF that the sheen should be recovered and investigated, and that DEC would be tracking it as a new source area pending confirmation of a release. Jamie McKellar
5/8/2018 Document, Report, or Work plan Review - other DEC received and approved a request to abate the remaining utilidor sections using the procedures in the approved Final Demolition Work Plan Addendum, Characterization/ Remediation/ Demolition of BMEWS Structures, Clear Air Force Station, Alaska (April, 2018). The utilidor section between buildings 101 and 104, which is currently being abated, will continue using the procedures in the Final Demolition Work Plan Addendum, Characterization/Remediation/Demolition of Remaining Building 645 Utilidor Sections, Clear Air Force Station, Alaska (April, 2018). Monte Garroutte
5/29/2018 Update or Other Action On 5/25, three spill notifications were submitted to DEC's PPR program. The notifications indicate that areas of approximately 50 sq ft., 50 sq ft., and 10 sq ft. were impacted on May 22, May 23, and May 24, respectively. Releases were attributed to paint chips that became dislodged from the wave guides as they were cut and holes in a tarp which allowed rain water to enter the transport trailer, and then transport the chips out of the trailer through failed seals. Jamie McKellar
5/31/2018 Meeting or Teleconference Held On 5/31/2018, DEC participated in a teleconference with representatives from USAF, USACE, and contractor, HGL. The main purpose of the meeting was to discuss the three spill notifications that were submitted by USAF for releases that occurred on May 22, May 23, and May 24. Jamie McKellar
6/4/2018 Spill Transferred from Prevention Preparedness and Response Program Spill transferred by PPRP staff Jill Stockbridge. Spill no. 18309914201; spill date = 5/22/18; substance = PCB paint chips; quantity = unknown; PPRP file no. 151.02.001; description: Demilitarization caused paint to become dislodged from waveguides as they were cut. Wind caught the paint chips and traveled beyond the limits of controls put in place. Workers donned protective gear and performed a visual inspection of the area. Using a HEPA vacuum, they captured and collected all the paint chips located on the ground. Mitzi Read
6/4/2018 Spill Transferred from Prevention Preparedness and Response Program Spill transferred by PPRP staff Jill Stockbridge. Spill no. 18309914302; spill date = 5/23/18; substance = PCB paint chips; quantity = unknown; PPRP file no. 151.02.001; description: Demilitarization caused paint to become dislodged from waveguides as they were cut. Wind caught the paint chips and traveled beyond the limits of controls put in place. Workers donned protective gear and performed a visual inspection of the area. Using a HEPA vacuum, they captured and collected all the paint chips located on the ground. Mitzi Read
6/4/2018 Spill Transferred from Prevention Preparedness and Response Program Spill transferred by PPRP staff Jill Stockbridge. Spill no. 18309914401; spill date = 5/24/18; substance = PCB paint chips; quantity = unknown; source = leaking transport trailer; PPRP file no. 151.02.001; description: Demilitarized waveguides stored in transportation trailers leaked paint chips outside the trailers due to water infiltration. Holes in the tarp on the transport trailer allowed rain water to enter and the paint chips leaked through the failed seals. All paint chips were vacuumed up with a HEPA vacuum. Water was removed from the trailer to the greatest extent possible and tarps were placed on the trailer to limit more water infiltration. The seals on the trailer were repairs as best as possible and secondary containment was placed under the trailer to catch any possible further release. Mitzi Read
6/4/2018 Update or Other Action LETTER: From DEC to USAF regarding submission of final work plans and reports. Since May 2017, DEC has received and reviewed multiple draft work plans for contaminated site characterization and removal activities associated with the Long Range Discrimination Radar (LRDR) project at CAFS. To date, DEC has not received final work plans or initial reports for the majority of the work conducted at CAFS. A summary of the submitted reports and work plans, along with the current status of reporting was included in the letter. DEC requested a timeline for submission of the outstanding work plans and reports within two weeks of receipt of the letter. Jamie McKellar
6/6/2018 Update or Other Action LETTER: From USAF to DEC, response to DEC's May 11, 2018 letter. USAF advised that the interim reports required by the NOV will be submitted the first Friday of each month during construction. Jamie McKellar
6/8/2018 Update or Other Action REPORT RECEIVED (on June 5 – sent directly to M. Garroutte who was out office): FINAL REPORT, Ballistic Missile Early Warning System, Remediation/Demolition of Two Utilidor Sections, Clear AFS. Prepared by Brice Environmental. Dated May 2018. Jamie McKellar
6/8/2018 Update or Other Action TECH MEMO RECEIVED: Draft Technical Memorandum, BMEWS Utilidor Stockpile Post-Construction Incremental Sampling. Prepared by Brice Environmental. Dated June 7, 2018. Jamie McKellar
6/14/2018 Document, Report, or Work plan Review - other TECH MEMO COMMENTS SENT TO USAF: Draft Technical Memorandum, BMEWS Utilidor Stockpile Post-Construction Incremental Sampling. Prepared by Brice Environmental. Dated June 7, 2018. Jamie McKellar
6/18/2018 Update or Other Action COMMENTS sent to USAF: Draft Final Ballistic Missile Early Warning System Remediation/Demolition of Two Utilidor Sections, Clear Air Force Station, Alaska. Prepared by Brice. Dated May 2018. Though the report was submitted as a final draft, DEC noted that several comments from the last response to comments (RTCs) were not implemented into the final version of the report. Jamie McKellar
7/3/2018 Update or Other Action RTCs received for Draft BMEWS Utilidor Stockpile Post-Construction Incremental Sampling. Prepared by Brice. Dated June 28, 2018. Jamie McKellar
7/3/2018 Update or Other Action WORK PLAN RECEIVED: Final Demolition Work Plan Addendum, Characterization/Remediation/Demolition of BMEWS Structures, Clear Air Force Station, Alaska. Prepared by HGL. Dated April 2018. This work plan describes the methods that will be used to conduct characterization, remediation, and demolition of the Ballistic Missile Early Warning System (BMEWS) structures at Clear Air Force Station. All comments were resolved and approved by DEC on April 30, 2018. Jamie McKellar
7/17/2018 Meeting or Teleconference Held Phone conference with USAF representative, Robert Tomlinson. We discussed the historic releases discovered near Building 800; the deposition of PCB-contaminated concrete curbs at the Denali Borough Landfill, which were later found to have been used as fill at a private residence; the crushed concrete stockpiles; and ongoing issues with spill reporting at Clear Air Force Station. Meeting notes are in the electronic file. Jamie McKellar
7/20/2018 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
7/26/2018 Meeting or Teleconference Held On 7/20/2018, a teleconference was held with USAF, USACE, MDA, HGL, and DEC to discuss deposition of concrete at the Denali Borough Landfill. Based on their records and recollection, Denali Borough Landfill advised that the concrete curbs (approximately 75 cubic yards) were not brought to the landfill. USAF, USACE, and HGL were trying to locate the material, which is suspected to contain PCBs above DEC cleanup levels. On 7/26/2018, USACE advised DEC that the truck driver responsible for bringing the concrete curbs to the landfill admitted that he took them to his own property and used them as fill material. This individual has several properties and USAF has not yet identified where the material was taken. USACE has also been advised that the concrete curbs have been covered by several feet of topsoil. DEC advised USACE to hold off on submitting a spill notification until the concrete is located. Jamie McKellar
7/26/2018 Document, Report, or Work plan Review - other REPORT RECEIVED: Draft Final #2, Ballistic Missile Early Warning System, Remediation/Demolition of Two Utilidor Sections, Clear Air Force Station, Alaska. Prepared by Brice Environmental. Dated July 2018. Jamie McKellar
7/26/2018 Document, Report, or Work plan Review - other RECEIPT OF DRAFT FINAL WORK PLAN: Final PCB Soil and Removal Work Plan and Addendums, Clear Air Force Station – Anderson, Alaska. Prepared by Pika Arcadis. Dated July 18, 2018. Jamie McKellar
7/31/2018 Update or Other Action On 7/31/2018, DEC issued a letter to the Commander of Clear Air Force Station requesting an in-person meeting, with legal counsel, to discuss various environmental concerns at Clear AFS. Jamie McKellar
8/23/2018 Document, Report, or Work plan Review - other REPORT APPROVAL: BMEWS Utilidor Stockpile Post-Construction Incremental Sampling. Prepared by Brice. Dated June 28, 2018. Jamie McKellar
8/24/2018 Site Visit CS, PPR, and SW conducted an onsite visit at Clear Air Force Station. A photo Log located in DEC's electronic file. Jamie McKellar
8/27/2018 Document, Report, or Work plan Review - other REPORT APPROVAL: Draft Final #2, Ballistic Missile Early Warning System, Remediation/Demolition of Two Utilidor Sections, Clear Air Force Station, Alaska. Prepared by Brice Environmental. Dated July 2018. Jamie McKellar
8/27/2018 Meeting or Teleconference Held TELECONFERENCE: DEC, DOL, USACE, USAF, and MDA participated in a teleconference to discuss various issues at Clear AFS including the status of the PCB-containing crushed concrete stockpile and coordinating a date when all interested parties can meet on Clear Air Force Station. This is the first of scheduled weekly teleconferences. Jamie McKellar
8/29/2018 Document, Report, or Work plan Review - other WORK PLAN APPROVAL: Final Demolition Work Plan Addendum, Characterization/Remediation/Demolition of BMEWS Structures, Clear Air Force Station. Prepared by HGL. Dated April 2018. Jamie McKellar
9/10/2018 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
9/13/2018 Document, Report, or Work plan Review - other WORK PLAN VARIANCE RECEIVED: Field Work Variance 007 for Characterization/Remediation/Demolition of BMEWS Structures ADDENDUM. Prepared by HGL. Dated April 2018. Proposed Changes: The references to abatement, confirmation sampling, demolition, and disposal of abated concrete curbs as construction debris will be removed or replaced with methods and procedures for demolition and disposal as PCB bulk product waste without abatement. The proposed tracked-change pages are attached to this Field Work Variance. Technical Justification: During the week ending 2 Jun 2018 following demolition of the siding and structural steel at U645 between B101 and B104, the HNC COR, a cream-colored coating was observed on the backside of the U645 concrete curbing. This coating material is similar to that found on the scanner array footers. On 19-20 Jun 2018, concrete samples were collected, applying the same methods as the confirmation samples from the abated curbing and abated floor striping. The preliminary results show that PCB is present above the 1ppm cleanup criteria in 17 of 22 samples, with exceedance concentrations ranging from 1ppm to 2.9ppm and average exceedance concentration of 1.7ppm. No further abatement of PCB coated concrete will be performed because (1) this PCB coating has been observed on above ground floor visible vertical concrete surfaces within the BMEWS structures, (2) the backside of the curbing and many vertical concrete surfaces are not accessible for abatement prior to structural demolition, and (3) abatement of PCB coated concrete after demolition would increase the risk of PCB release to the environment, place site personnel at risk for unnecessary exposure as well as impact the disposal schedule of PCB bulk product waste. Prepared by HGL. Dated September 7, 2018. Jamie McKellar
9/14/2018 Document, Report, or Work plan Review - other COMMENTS: DEC to USAF, Field Work Variance 007 for the Revised Final Demolition Work Plan Addendum, Characterization/Remediation/Demolition of BMEWS Structures. Prepared by HGL. Field Work Variance dated September 7, 2018. Jamie McKellar
9/17/2018 Update or Other Action DEC received an email from Coldfoot Environmental which included GPS coordinates and photos of the area where concrete curbs from the BMEWS facility were used as fill material on private property. Jamie McKellar
9/17/2018 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
9/20/2018 Document, Report, or Work plan Review - other RTCs received from HGL. DEC responded to comments on the same day. FIELD WORK VARIANCE 007, dated 09-17-2018. FOR: Revised Final Demolition Work Plan Addendum, Characterization/Remediation/Demolition of BMEWS Structures, Clear Air Force Station, Alaska. Prepared by HydroGeoLogic, Inc. Dated April 2018. DEC approved the finalized version of this work plan on August 29, 2018. Jamie McKellar
9/25/2018 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
10/1/2018 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
10/11/2018 Meeting or Teleconference Held ONSITE MEETING at Clear AFS with representatives from USAF (including Base Commander), MDA, USACE, DEC, DOL, and contractors. Jamie McKellar
10/11/2018 Meeting or Teleconference Held A meeting was held at Clear Air Force Station with representatives from DEC, DOL, USAF, USACE, and MDA. Topics of discussion included the crushed concrete stockpile, reporting, release management, and Installation Restoration Program site(s). The meeting was followed by a tour of areas discussed during the meeting. Jamie McKellar
10/22/2018 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
10/29/2018 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
11/5/2018 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
11/19/2018 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
11/29/2018 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
12/3/2018 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
12/10/2018 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
12/17/2018 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
1/7/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
1/14/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
1/28/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
1/31/2019 Update or Other Action The Contaminated Sites Division and Solid Waste jointly issued letter to USAF requesting additional information about the 2017-2018 work seasons and a revised work plan that discusses how concrete curbs will be handled and disposed of during the 2019 field season. Jamie McKellar
2/5/2019 Workplan Requested The Solid Waste Division issued a letter to USAF requesting a characterization sampling plan for concrete associated with the BMEWS Demolition Project. The letter requested that DEC have an opportunity to review the work plan prior to the start of the 2019 field season. Jamie McKellar
2/11/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
2/19/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
2/25/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
3/11/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
3/18/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
3/26/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
3/28/2019 Meeting or Teleconference Held SCOPING MEETING (teleconference) with representatives from DEC, USAF, MDA, and USACE. Jamie McKellar
4/1/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
4/8/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
4/15/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
4/16/2019 Document, Report, or Work plan Review - other On 4/10/2019, DEC received a list of proposed tasks to be accomplished at Clear Air Force Station within the first sixty days of the 2019 field season. DEC provided a written response on 4/16/2019. DEC's response specifically excluded all concrete containing a suspected PCB coating and the concrete pedestal in Building 102. Jamie McKellar
4/18/2019 Update or Other Action On 4/16/2019, DEC (Contaminated Sites, Solid Waste, and Spill Response Programs) issued a letter to USAF, concurring with the commencement of the 2019 field season. The concurrence was based on a number of assumptions outlined in the letter, and specifically excluded all concrete with a PCB coating and the remaining portion of the concrete pedestal in former Building 102. Jamie McKellar
4/19/2019 Meeting or Teleconference Held CS and SW staff had a meeting with USAF to discuss the above grade concrete in Buildings 104 & 105. Jamie McKellar
4/22/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
4/29/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
5/6/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
5/15/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
5/16/2019 Document, Report, or Work plan Review - other On May 7, 2019, the United States Air Force (USAF) submitted the Sampling and Analysis Plan, Civil Improvements Project 2019, Clear Air Force Station to the Alaska Department of Environmental Conservation (DEC). The following day, May 8, 2019, USAF advised DEC that work had already commenced under the Sampling and Analysis Plan without DEC approval. On May 8, DEC provided an accelerated review of the Sampling and Analysis Plan. DEC also requested that USAF provide an expedited turnaround on its responses to comments since crews were already working within the footprint of an open contaminated site without a DEC-approved work plan. On May 16, 2019, DEC received an incomplete response to comments from USAF. The outstanding information was subsequently provided in a May 16 phone call and email. The sampling plan was approved on 5/16/2019. Jamie McKellar
5/20/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
5/28/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
5/28/2019 Document, Report, or Work plan Review - other On 5/22/2019, USAF submitted a work plan titled Sampling and Analysis Plan for CLR039C, LONG RANGE DISCRIMINATION RADAR (LRDR) CP#3, LRDR POWER PLANT (LPP). The plan was prepared by Travis Peterson Consulting, Inc and dated May 2019. Based on the information provided and a review of the Contaminated Sites database, the project area is not located within the boundaries of any known contaminated sites. As such, the Contaminated Sites Program will not provide a review of the work plan. USAF was notified of this decision on 5/28/2019. Jamie McKellar
5/28/2019 Document, Report, or Work plan Review - other On 5/22/19, USAF submitted a Sampling and Analysis Plan for the LRDR Power Plant. Based on the information provided and a review of the Contaminated Sites database, the project area is not located within the boundaries of any known contaminated sites. As such, the Contaminated Sites Program will not be providing a review of this work plan. Jamie McKellar
6/3/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
6/10/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
6/14/2019 Site Visit DEC site inspection at Clear Air Force Station. Jamie McKellar
6/24/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
6/28/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
7/1/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
7/16/2019 Site Visit DEC site inspection at Clear Air Force Station. Jamie McKellar
7/22/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
7/31/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
8/5/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
8/6/2019 Meeting or Teleconference Held DEC/EPA Teleconference to discuss concrete surface sampling. Jamie McKellar
8/8/2019 Update or Other Action On February 5, 2019, DEC’s Solid Waste Program issued a letter to USAF requesting submission of a concrete sampling plan for concrete associated with the former BMEWS facility. In several subsequent meetings, including one on June 28, 2019, DEC reiterated that the clear/light grey coating needs to be sampled. During the July 16, 2019 site visit, DEC representatives specified that samples of the clear/light grey coating should be collected to a depth of no more than 1/8-inch. On 8/8/2019, DEC sent a letter to USAF with additional clarification regarding these requests, which are needed by DEC and EPA for the following reasons: 1) To determine PCB concentrations of the clear/light grey coating. Based on the available data and observations made at Clear AFS, the clear/light grey coating, which is known to contain PCBs, is present on concrete throughout the former BMEWS facility. 2) To determine the concentrations of contamination associated with all sources of PCB contamination on the concrete slabs (PCB oils, etc.). This includes contamination that occurred because of BMEWS demolition work practices. To clarify further, the expectation is that samples will be taken as shallow as possible and not to exceed 1/8-inch. Jamie McKellar
8/12/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
8/14/2019 Meeting or Teleconference Held Call with USACE Huntsville staff regarding vertical surface sampling and Fairbanks office visit. Jamie McKellar
8/19/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
8/21/2019 Meeting or Teleconference Held Meeting at DEC Office in Fairbanks with Jeff Watts and Brandon Talbot from USACE Huntsville. Discussion of ongoing issues at Clear AFS, vertical surface sampling. Jamie McKellar
8/22/2019 Document, Report, or Work plan Review - other On 8/22/2019, DEC approved Final Field Work Variance #10, Characterization/Remediation/Demolition of BMEWS Structures at Clear Air Force Station, Alaska (HGL, August 20, 2019). Field Work Variance #10 proposes to remove at least one-inch of concrete at a time rather than the 0.25 to 0.50-inch depth specified in the April 2018 Final Demolition Work Plan Addendum. The submitted work variance would also require a change in equipment since needle scalers/grinders are not designed to remove concrete to a depth of one inch or more. FWV #10 was approved for Buildings 102, 105, and 106 only. Jamie McKellar
8/23/2019 Update or Other Action On 8/23/2019, the Solid Waste Program provided a written "Authorization to Initiate Project for the Use of Crushed PCB-Containing Concrete Material as Fill for Construction of the Concrete Load-Out Pad." The load out pad will be constructed with crushed concrete from the former BMEWS array piers. Jamie McKellar
8/26/2019 Document, Report, or Work plan Review - other On 8/26/2019, DEC approved Final Field Work Variance #10, Revision 1 Characterization/ Remediation/Demolition of BMEWS Structures at Clear Air Force Station, Alaska (HGL, August 20, 2019). Field Work Variance #10 proposed to remove at least one-inch of concrete at a time rather than the 0.25 to 0.50-inch depth specified in the April 2018 Final Demolition Work Plan Addendum. The variance included language specific to former Buildings 102, 105, and 106. As such, DEC approved Field Work Variance #10 for former Buildings 102, 105, and 106 only. On August 26, 2019, a revised version of Field Work Variance #10, Characterization/ Remediation/Demolition of BMEWS Structures at Clear Air Force Station was submitted to DEC. The revision specifies that the Field Work Variance was intended for implementation on all BMEWS foundations including Buildings 101, 102, 103, 104, 105, 106 and the 645 Utilidor. Jamie McKellar
8/26/2019 Document, Report, or Work plan Review - other On 8/26/2019, DEC approved the Partial Notice to Proceed under Concrete Sampling Work Plan Characterization/ Remediation/Demolition of BMEWS Structures, Clear Air Force Station (HGL, June 2019) with the following clarifications: 1) This approval is for horizontal surfaces in Buildings 105 and 106 only. 2) Sampling of the vertical concrete faces is still required and will be addressed separately. Jamie McKellar
8/26/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
8/28/2019 Site Visit DEC site inspection at Clear Air Force Station. Jamie McKellar
9/6/2019 Document, Report, or Work plan Review - other On 9/6/2019, DEC Approved the Partial Notice to Proceed for Building 104 and Utilidor 645 section between Buildings 102 and 105, Concrete Sampling Work Plan Characterization/ Remediation/Demolition of BMEWS Structures, Clear Air Force Station (HGL, June 2019). DEC also notes that horizontal surface sampling is now approved for the following areas: Former Building 105 slab; Former Building 106 slab; Former Building 104 slab; 645 Utilidor section between former Buildings 102 and 105. Jamie McKellar
9/9/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
9/11/2019 Meeting or Teleconference Held Meeting with USAF, MDA to discuss DEC's 9/6/2019 clarification email and the updated Concrete Sampling Plan. Jamie McKellar
9/16/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
9/17/2019 Document, Report, or Work plan Review - other On 9/17/2019, DEC approved the Final Concrete Sampling Work Plan, Characterization/ Remediation/Demolition of BMEWS Structures. (HGL, September 2019). The work plan documents the rationale and technical approach for characterization of concrete structures subject to demolition & off-site disposal and ground level slabs that are proposed to be left in place. Jamie McKellar
10/1/2019 Document, Report, or Work plan Review - other On 10/1/2019, DEC approved the Final Technical Memorandum for Soil Sampling, Characterization/ Remediation/ Demolition of BMEWS Structures, Clear Air Force Station, Alaska (HGL, September 30, 2019). The tech memo describes the proposed approach for soil sampling adjacent to the vertical edges of the Ballistic Missile Early Warning System concrete slabs. Jamie McKellar
10/1/2019 Document, Report, or Work plan Review - other On 9/20/2019, USAF submitted "Draft Revision 1" for the Concrete Sampling Work Plan. DEC responded via email and requested that USAF instruct its contractor to submit a standalone document rather than revising the Concrete Sampling Work Plan to include soil sampling. HGL submitted the Final Technical Memorandum for Soil Sampling, Characterization/ Remediation/ Demolition of BMEWS Structures, Clear Air Force Station, Alaska (HGL, September 30, 2019) on October 1, 2019 and it was approved on the same day. Jamie McKellar
10/2/2019 Document, Report, or Work plan Review - other On 9/30/2019, DEC received a letter from HydroGeoLogic, Inc. (HGL) requesting approval to sample the Building 103 concrete slab vertical faces in only one location. The basis for this request is that HGL’s sampling team found that there are significant sections with no exposed edges and that onsite personnel including HGL, Missile Defense Agency, and U.S. Army Corps of Engineers have identified only one location where sufficient foundation is accessible for sampling. DEC reviewed the request with staff from Region 10 EPA and denied the request to sample in only one location on 10/2/2019. DEC and EPA provided recommendations for collecting samples from the Building 103 slab. Jamie McKellar
10/7/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
10/21/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
10/28/2019 Meeting or Teleconference Held WEEKLY MEETING: Representatives of USAF, MDA, USACE, DEC, and DOL have a weekly scheduled meeting to discuss various issues at Clear AFS. Jamie McKellar
10/30/2019 Meeting or Teleconference Held Meeting with USAF, DEC, EPA to discuss capping requirements for BMEWS concrete. Jamie McKellar
10/31/2019 Document, Report, or Work plan Review - other On 10/31/2019, DEC approved Revised Field Work Variance #11, Characterization/Remediation/Demolition of BMEWS Structures, Clear Air Force Station, Alaska (HGL, October 2019). FWV #11 addresses the proposed field changes for the abatement of PCB-painted concrete and remediation of PCB oil-stained areas. The FWV also requests approval of the design for covering the concrete foundations at the former BMEWS Facility. FWV #11 was approved with the following understanding: 1. The United States Air Force will submit a design for the final cap to DEC and EPA for approval. 2. The final cover design will incorporate the components of the interim cap. That is, the final cap will be installed on top of the interim cap. The interim cap will not be removed. 3. A final cap will be installed within a reasonable amount of time. Jamie McKellar
11/4/2019 Document, Report, or Work plan Review - other On 11/4/2019, DEC reviewed the Building 105 data package and the request to install a temporary cover over the B105 foundation per the design described in Section 3 of FWV #11. Jamie McKellar
11/5/2019 Document, Report, or Work plan Review - other On 11/5/2019, DEC reviewed the 645 Utilidor data package and approved the request to install a temporary cover over the 645 utilidor foundations per the design described in Section 3 of FWV #11. Jamie McKellar
11/7/2019 Meeting or Teleconference Held Meeting with EPA, USACE, DEC, USAF to discuss vertical sample results greater than 10 ppm. Jamie McKellar
11/8/2019 Document, Report, or Work plan Review - other On 11/8/2019, DEC reviewed the B103 data package and requested that USAF, MDA, and its contractors incorporate a number of comments into the document. One vertical sample for B103 had a PCB concentration of 23 mg/kg and requires additional delineation and potential remediation prior to installation of the final cover. Jamie McKellar
11/13/2019 Update or Other Action On 11/13/2019, DEC provided a response to USAF, MDA, and HGL regarding the comment table titled "HGL Photo Logs and Work Plans." Additional information about the 2018 field season was requested on 1/31/2019. As part of the response to DEC’s request, HGL provided a photo log that included details on certain components of the project. DEC provided comments on January 31, 2019 and May 7, 2019. The most recent response to comments was submitted by USAF/MDA on June 25, 2019. The delay in responding to the HGL Photo Log & Work Plan responses to comments was due to competing priorities and reviews for Clear AFS during the 2019 field season. The letter issued by DEC on 11/13/2019 is for clarification purposes only. No further responses are required from USAF, MDA, or their contractors. Jamie McKellar
11/14/2019 Update or Other Action To date, DEC has approved the installation of a temporary soil cover, as described in Field Work Variance #11, for the following former building foundations: Building 103, Building 104, Building 105, Building 106, and the 645 Utilidor. Jamie McKellar
11/3/2020 Document, Report, or Work plan Review - other REPORT ACKNOWLEDGEMENT OF RECEIPT: DEC's Contaminated Sites and Solid Waste Programs issued a joint letter in response to the BMEWS Demolition Report submitted by HGL in April 2020. The acknowledgement letter 1) highlighted concerns about fieldwork conducted by HGL in 2018 and 2019 2) informed USAF, MDA, USACE-Huntsville, and HGL that no further action is required for the BMEWS Demolition report and 3) encouraged all parties to coordinate with regulatory agencies as soon as possible in the future. Jamie McKellar
9/7/2021 Document, Report, or Work plan Review - other On 8/18/2021, DEC and EPA provided joint comments on the draft TCRA Action Memo, PCB-Contaminated Concrete Time Critical Removal Action, Clear Space Force Station (BES, August 2021). USAF responded to comments on 9/7/2021. Of note, USAF advised that permanent caps will be installed at Buildings 101, 102, 105 and the 645 Utilidor as part of the CERCLA process. DEC has previously advised that permanent caps must be installed in any location with PCB concentrations up to 10 mg/kg. The cap designs must be submitted to DEC for review and approval. Jamie McKellar
10/13/2021 CERCLA Removal Action Report USAF provided an update on the Time Critical Removal Action (TCRA): 1) Removed and packaged 150 tons of PCB-contaminated concrete from five grids; the remaining 5 grids could not be excavated due to contract limits. 2) Packaged concrete in supersacks that are staged for offsite transport 3) Collected confirmation concrete samples for offsite laboratory analysis 4) Collected wipe samples from unexcavated grids 5) Backfilled each grid with the soil removed during the field effort 6) Containerized, settled, and treated accumulated decontamination water and 7) Containerized settled sediments for offsite transportation and disposal as TSCA hazardous waste Jamie McKellar
4/15/2022 Enforcement Action Closed On April 15, 2022, DEC issued a letter formally closing out three March 2018 Notices of Violation issued to the United States Air Force, Missile Defense Agency, and the U.S. Army Corps of Engineers (Huntsville, Alabama) for failure to report a release to the environment in accordance with 18 AAC 75.300(a)(1)(A). Jamie McKellar
11/28/2022 Update or Other Action On 11/28/2022, USAF requested to use soil with a PCB concentration of 1.024 mg/kg, slightly over the cleanup level of 1 mg/kg as backfill. The CSP denied this request for the following reasons: 1) The PCB concentration 1.024 mg/kg exceeds the 18 AAC 75 Table B1 Human Health Cleanup level of 1.0 mg/kg 2) 18 AAC 75.370(a) prohibits blending contaminated soil with uncontaminated soil, and 3) Determinations regarding beneficial reuse of polluted soil are made by DEC's Solid Waste Program. The Solid Waste Program confirmed that they would not approve any beneficial reuse for soil that exceeds the HH cleanup level for PCBs Jamie McKellar
8/29/2023 Update or Other Action USAF provided an update on the TCRA: Supersacks of hazardous (109 supersacks) and non-hazardous (85 non-hazardous) concrete debris were moved, covered, and stored at Beneficial Use Pad (BAP) during October 2022. During July and August 2023, the supersacks were loaded into AKRR railcars. Three railcars with a total net tonnage of 327,500 lbs. left Clear SFS on 8/17/23 and arrived in Anchorage on 8/21/23 (via Fairbanks). Two of the railcars contained hazardous (PCB) concrete and associated debris (soil, liners, drums, rebar) that represented approximately 198,500 lbs. The third railcar contained nonhazardous concrete debris totaled 129,000 lbs. The waste left Anchorage the week of 8/21/2023 via a barge. The hazardous material will be disposed of at the Chemical Waste Management Landfill in Arlington, Oregon. Nonhazardous material will be disposed of at the Columbia Ridge Landfill in Arlington, Oregon. Jamie McKellar
8/12/2024 Document, Report, or Work plan Review - other DEC has reviewed the Draft Limited Site Inspection (SI) Report for CD027 and SS024, which details sampling in surface and shallow subsurface soils to assess if further sampling or remedial investigation is required, or if the site can be eliminated from further consideration. No groundwater was assessed as part of this SI. Forty soil borings were collected and analyzed for gasoline, diesel, and residual range organics (GRO, DRO, RRO), volatile and semi-volatile organic compounds (VOCs, SVOCs), polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), pesticides, and metals. The report recommends that Site CD027 be reevaluated if the land use change is proposed, and Site SS024 be eliminated from further consideration as petroleum contamination did not exceed the project screening levels and non-petroleum analytical results are not indicative of an uncontrolled release. DEC does not concur with the elimination of SS024 from further consideration and anticipates further work being necessary at both of these sites. Tim Sharp
9/13/2024 CERCLA Removal Action Report DEC provided comments on the Time Critical Removal Action (TCRA) for the removal of polychlorinated biphenyl (PCB) contaminated concrete from the foundations of former Buildings 101 and 102 at the former Ballistic Missile Early Warning System (BMEWS) facility. Further removal is required as the amount of concrete that needed to be removed exceeded contract scope. Tim Sharp
12/3/2024 Site Characterization Report Approved DEC approved the Final Limited Site Inspection Report for CD027 and SS024 on this date. Tim Sharp

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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