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Site Report: Old Matanuska Townsite

Site Name: Old Matanuska Townsite
Address: East D Street and, South 2nd Street, Palmer, AK 99645
File Number: 2245.38.001
Hazard ID: 4004
Status: Active
Staff: Rebekah Reams, 9074512144 rebekah.reams@alaska.gov
Latitude: 61.541272
Longitude: -149.227428
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

The Contaminated Sites Program (CSP) was notified of this site in 2003 by DEC's Solid Waste (SW) Program when SW responded to a solid waste issue at the site, but noticed evidence of petroleum contamination. CSP was not able to make contact with the RP Gerald Poirier, who died shortly after CSP was notified and named the location as a contaminated site in 2003. The Prevention and Emergency Response Program (PERP) was notified of the site in 2006 by the Mat-Su Borough Solid Waste Program when the Mat-Su program was responding to a solid waste complaint, and also noticed evidence of petroleum contamination. PERP had initial success with getting the RP (then identified to be Wanda Poirier, Gerald Poirier’s widow) to start consolidating debris in 2006, however site work picked up pace when PERP followed up on the site following a CSP site visit in 2008. PERP coordinated a solid waste and petroleum container cleanup with EPA and Mat-Su Code Compliance, which was completed in 2009 but did not encompass soil or water sampling. PERP identified possible PCB, ethylene glycol, used oil, MEK type solvents, and other solvent containers. The Site had leaking drums, soil staining and sheen on surface water. Green tinted water originally thought to be contaminated with ethylene glycol was later determined to be tinted with a green dye from a nearby leaking drum. Mat-Su Code Compliance removed between 80-100 vehicles between 2006 and 2009. ADEC removed 1,071 gallons of oil, 275 gallons of glycol, and 45 gallons of water/oil/glycol mixture by April 24, 2009. Thirty-four drums (some packed into overpack drums) and one five gallon container that failed a Chlor-D-Tect field screening (>1000 ppm halogens) were consolidated on a flatbed truck and pallets, and left on site. On April 29, 2016, a site visit was conducted by ADEC’s Lisa Griswold, Josh Barsis and Chelsy Passmore. Emerson Krueger and Kevin Sumner of Mat-Su code compliance met ADEC staff on site. The thirty four drums were still on the flatbed truck and nearby pallets on block 4 lot 13 (23 on truck; 11 on pallet; the 5 gallon container was not seen). They are no longer covered and appear to be rusting. Staining was noted on the flat bed, on a side of a drum, and along the ground on the east side of the truck. It was noted that the surrounding area appeared to be being used as a toileting area with multiple piles of human feces and toilet paper strewn along the ground, with a trash can also containing what appeared to be used toilet paper. Sheen was noticed on standing water in the right of way East D Street in front of the Poirier properties. Some appeared to be biologic in nature while others appeared to be petroleum. PID readings from the surrounding soil returned 0.0. Three drums were located in the right of way between Olson property and Eklutna Inc. property off of S 2nd street. All three contained bullet holes. One displayed staining on the front where its contents had run out of the bullet hole and onto the ground; this barrel had a distinct odor. One barrel laying down felt to still contain product. Stained soil was observed in the right of way on S 2nd street northwest of Poirier property Block 4 Lot 1. When the soil was disturbed to for field screening, wires were found in the ground. It is believed this may be where alleged wire burning occurred. A drum removal and limited site characterization were conducted in October 2017.36 drums were overpacked and removed from the site. 20 of the drums were manifested as hazardous waste due to Tetrachloroethylene and benzene concentrations, and 16 drums were manifested as non-hazardous waste. Surface soil samples indicate Diesel Range Organics (DRO) (up to 47,900 mg/kg), Residual Range Organics (RRO)(up to 257,000 mg/kg), benzene (up to 0.0364 mg/kg), benzo[a]anthracene (up to 0.511 mg/kg), benzo[b]flouranthene (up to 2.1 mg/kg), benzo[a]pyrene (up to 1.91 mg/kg), naphthalene (up to 0.165 mg/kg), and 2378 TCDD (up to 0.000346 mg/kg), and lead (up to 6,860 mg/kg) are present. Soil borings indicate DRO is present at 566 mg/kg, naphthalene at 0.11 mg/kg, 1,2,4 Trimethylbenzene at 0.26 mg/kg, and Tetrachloroethylene at 0.921 mg/kg are present in subsurface soil 14 feet below ground surface. All listed contaminants exceed Table B1 and B2 Migration to Groundwater cleanup levels, while benzo[b]fluoranthene, 2378 TCDD, and lead also exceed human health levels listed in Table B1, and DRO and RRO also exceed Maximum Allowable concentrations listed in Table B2. Arsenic was detected above cleanup levels in soil, but are considered background. A Targeted Brownfields Assessment was completed in late 2019. Sample results indicate Arsenic, Manganese, Antimony, Copper, Lead, Cadmium, Zinc, Mercury, DRO, GRO, Pentachlorophenol, benzene, ethylbenzene, Xylenes, N-Butylbenzene, Styrene, Benzo[a]anthracene, Benzo[a]pyrene, Naphthalene, Trichloroethene (TCE), Tetrachloroethene (PCE), 1,2,4 Trimethylbenzene, 1,2 Dibromethane, 1,3,5 Trimethylbenzene, and 2,3,7,8 TCDD were present in surface soil (0-2 feet bgs). Most were found above 18 AAC 75. 341 Tables B1 and B2 in concentrations exceeding only the most stringent cleanup level. Arsenic and Manganese are likely from naturally occurring conditions except for two samples which may have an anthropogenic source. Contaminants were not found above cleanup levels in subsurface soil (2 feet +) during this field effort. Arsenic, Manganese, lead and Ethylene Dibromide (EDB) were detected in groundwater above levels listed in 18 AAC 75.345 Table C. It should be noted that the groundwater found was likely transitory; the samples were turbid making the samples potentially biased high; the arsenic and Managanese may be due to naturally occurring conditions; and while EDB was found in the groundwater, it was not found in the soil above cleanup levels. Iron was the only contaminant located in surface water above DEC water quality standards, and may be due to the presence of rusting debris in the area. Arsenic, Nickel, Copper and Barium were found in the sediment above NOAA SQuiRT Tables. Lastly, building materials with 10.5% amosite asbestos was found on the site. EPA and ADEC were coordinating on actions for the asbestos and leaded soil on site when the Covid-19 pandemic began. Work on this task has been postponed due to restrictions placed on staff due to Covid. The site is thought to have impacted multiple properties (Block 4 Lots 1, 2, 3, 4, 5, 12, 13, 14, 15; Block 2 Lots 5-15) with multiple owners. The site is in a flood zone bordered by Rabbit Slough to the south, and Wasilla Creek to the North.

Action Information

Action Date Action Description DEC Staff
7/7/2003 Potentially Responsible Party/State Interest Letter In a letter dated 7/7/03, CSP informed Gerald Poirier that it had reviewed information provided by DEC's Solid Waste Program and it appeared that petroleum releases had occurred on the site. DEC informed Poirier that per State Statutes that the property owner or operator is required to cleanup contamination. DEC requested that if Poirier was the owner and operator information how he would address this issue, and if not, please inform DEC who is the property owner and/or operator. Rich Sundet
7/10/2003 Site Added to Database Poor hazardous waste containment. Amanda Dreyer
2/25/2008 GIS Position Updated Updated using Arc GIS SPAR_StatewideLocator (ArcReader) Grant Lidren
2/25/2008 Update or Other Action A second letter was sent out to the Poiriers requesting them to contact us within 30 days from receipt of the letter as to whether or not there is any additional or updated information regarding this site. Grant Lidren
2/25/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed. Grant Lidren
6/2/2008 Update or Other Action 90 days have past with no correspondence from the Poiriers after the ADEC sent out second letter 2/25/2008 Grant Lidren
6/11/2008 Update or Other Action Project Manager changed to Rich Sundet. Linda Nuechterlein
7/1/2008 Site Visit ADEC in conjunction with the Mat-Su Borough peformed a site inspection on this date. Misc. debris found scattered throughout property. Pictures taken indicate waste oil drums, solvent drums, old transformers marked with PCBs, old paint cans, asbestos, and various scrap metal throughout site. This site is located in a wetland that reportedly has seasonal floods. Rabbit Slough is located 500 feet down gradient from site. Grant Lidren
7/1/2008 Update or Other Action Because of the numerous drums of hazardous substances observed during CS's inspection on 7/1/08 that was done in conjunction with the Mat-Su Borough peformed a site inspection, CS requested that PERP follow-up because of the observed on going releases and concerns that the on going release would/is impacting the immediately adjacent wetlands. Rich Sundet
8/20/2008 Potentially Responsible Party/State Interest Letter DEC's Prevention and Emergency Response Program sent State interest letter to Eklutna Inc., Mat-Su Borough and several private owners concerning needed clean up efforts. Lisa Griswold
11/19/2008 Update or Other Action PERP coordinated with EPA's Matt Carr on addressing the storage of the hazardous substances on site. As a result, it was agreed on 11/19/08 that DEC's PERP program would handle all oiil products and antifreeze, and EPA would handle all other hazardous substances. Rich Sundet
3/23/2009 Update or Other Action Testing and overpacking of hazardous substances began on 3/23/09 thorugh a contract issued by PERP to Emerald Alaska. Under this contract a total of 29 drums and 9 containers were removed from site between 4/23 and 24/09 consisting of 1,071 gal. of oil, 275 gal. of glycol, and 45 gal. of water/oil/glycol mixture; and 15 leaking barrels of hazardous substances were overpacked. 34 drums and one 5 gal. container of hazardous substances remained on site for EPA to dispose of. Rich Sundet
12/10/2009 Update or Other Action On 12/10/09, PERP closed its case with the site. 34 drums and one 5 gal. container of hazardous substances remain on site for EPA to dispose of as well as contaminated soil caused by releases that occurred at the site. In addition to removal of containers of hazardous substances, the Mat-Su Bourough who also was involved in this case removed about 80-100 vehicles from the property to date. A more thorough description of the remvoval action is within the PERP's database for this site and has a separate file regarding their actions associated with the removal work. Rich Sundet
9/10/2015 Document, Report, or Work plan Review - other March 2009 Phase I Environmental Site Assessment reviewed on this date. Phase I was originally sent to Prevention and Emergency Response Program staff and had remained in their file. Report indicates debris, but no hazardous substances or poorly contained fluids on subject property. Report also describes adjacent properties. Lisa Griswold
9/16/2015 Site Visit Site visit conducted on this date. Home on property has been demolished, while surrounding properties appear to still be occupied. Remaining 34 drums and 5 gallon container of hazardous materials that was to be disposed of in 2009 were not encountered. Lisa Griswold
12/11/2015 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 74978 Junk Yard. Lisa Griswold
3/18/2016 Potentially Responsible Party/State Interest Letter PRP letter sent on this date to person identified as possible operator of the site. Lisa Griswold
3/24/2016 Potentially Responsible Party/State Interest Letter Second PRP letter sent to a person indicated to be the operator of the site. Lisa Griswold
3/25/2016 Meeting or Teleconference Held Spoke to the recipient of the March 18, 2016 letter. He is not the current operator of the site, and moved away from the region in 2006. Lisa Griswold
3/25/2016 Update or Other Action Letter requesting access to properties sent to four landowners and one operator. Awaiting signed access agreements. Lisa Griswold
4/29/2016 Site Visit Site visit conducted on this date. ADEC received access agreements from three property owners and obtained a signed access agreement from the operator on site. Drums were located and photographed. Multiple areas of stained soil were identified. Sheen was seen on surface water in multiple areas. Lisa Griswold
5/25/2016 Update or Other Action Letter sent requesting Site Characterization Work Plan and drum removal plan. Due by July 25, 2016. Lisa Griswold
8/4/2016 Update or Other Action Discussed site with RP on this date. Request for site characterization and drum removal was returned to ADEC as not being claimed. Re-processed letter for mailing. New due date for the site characterization and drum removal is October 3, 2016. Lisa Griswold
1/20/2017 Site Visit Site visit conducted on this date to discuss drum removal and requested site characterization work plan. Lisa Griswold
5/16/2017 Update or Other Action Determination from Alaska Department of Law issued that the named Responsible Party does not have an ability to pay for cleanup. Lisa Griswold
5/18/2017 Update or Other Action Notice to Proceed (NTP) issued to Contractor to conduct a drum removal and limited site assessment at the contaminated site known as "Old Matanuska townsite". Lisa Griswold
5/23/2017 Update or Other Action Letters sent to all landowners, one stakeholder and one operator possibly affected by site work proposed by contractor. Letter informed the landowners that they are considered possibly affected landowners, and seeks a signed limited right of entry form to allow full site work to be conducted in summer 2017. Lisa Griswold
5/25/2017 Site Visit Site visit conducted in coordination with the contractor to evaluate position of drums, other drum locations, and probable sampling locations. Visit was limited to right of way and the operator property, who had given verbal permission to take photographs of drums on the property. Lisa Griswold
6/6/2017 Document, Report, or Work plan Review - other Reviewed the work plan for the Old Matanuska Townsite on this date. The work plan outlines the sampling and removal of approximately 40 drums from the site, limited surface soil sampling, limited subsurface soil sampling and limited groundwater sampling. ADEC provided the following comments: 1)In the section marked “Phase III – Surface Soil Sampling” the work plan indicates surface soil sampling will be completed, however it does not list the following items: a)Who will conduct this sampling, and are they a Qualified Environmental Sampler per 18 AAC 75.333? b)How/will this soil be screened? c)How will this soil be sampled? (In accordance with ADEC Field Sampling guidance [attached], etc.)d)NRC suggested Dioxins be tested for in the area of wire burning, ADEC would like to request a cost estimate for running that samplee)What EPA methods will be used for sample analysis? f)The work plan indicates an “ADEC approved lab” will be used, what lab would this be? g)Will these samples be handled using chain of custody procedures? h)What is the Quality Control/Quality Assurance plan for this work? i)NRC indicates that the report will include the contaminate levels as well as recommended procedures and cost estimates for site remediation. ADEC requests the following items be included in the report: field notes; laboratory reports; DEC laboratory data review checklist; quality assurance assessment; any tables and figures; any photographs taken. 2)In the section marked “Phase IV – Subsurface Soil and Groundwater Investigation,” the work plan indicates that subsurface soil and groundwater sampling will be conducted but does not address the following items: a)Who will conduct this sampling, and are they a Qualified Environmental Sampler per 18 AAC 75.333? b)Who will be doing the drilling? c)How will the drilling be completed? d)How will the groundwater monitoring wells be drilled, completed, sampled? e)How/who will complete the monitoring well survey? f)How will investigative derived waste (IDW) be handled? g)What is the Quality Control/Quality Assurance plan for this work? h)Will this work require a utility locate? Lisa Griswold
6/27/2017 Site Characterization Workplan Approved Revised work plan conditionally approved on this date. The work plan describes sampling and removing up to 40 drums, soil sampling, and groundwater sampling. The conditions placed on the work plan include: 1)ADEC will not give direction on decommissioning temporary monitoring wells as indicated on page 3 of the work plan. Groundwater sampling using Geoprobe SP16 tooling does not result in the construction of a monitoring well. Please ensure that no piping or aboveground components remain once groundwater sampling is complete. 2)All sampling must be completed in accordance with ADEC’s March 2016 Field Sampling Guidance located at: http://dec.alaska.gov/spar/csp/guidance_forms/docs/Field-Sampling-Guidance-Final-5-13-2016.pdf. Specifically, samples for the analysis of volatile constituents must be preserved in the field using laboratory supplied preservative and must be collected prior to the collection of samples for non-volatile constituents.3)The report delivered to ADEC after work is completed will adhere to the requirements listed in Project Request for Proposal (PRFP) 18-117-17 section 3.3 (ME) Task II Reporting including: A)Meeting the requirements of 18 AAC 75.380 B)Must be commensurate to the complexity of the project; C)Provide the reader a thorough understanding of the potential environmental issues that existed within the study area, and residual impacts that may remain. According to the PRFP the report is also to include: A.Summary of changes or variances from the work plan; B.Copies of all field notes; C.Tabled data for clarity of review; D. Figures showing the drum locations, sampling and boring locations, and relevant site features; E.Photographs; F.Conceptual Site Model; G.QA/QC narrative and Laboratory Data Review checklists; and H.Documentation of drum and waste disposal. 4)Please review ADECs Site Characterization Work Plan and Reporting Guidance for Investigation of Contaminated Sites guidance located at : http://dec.alaska.gov/spar/csp/guidance_forms/docs/SiteCharacterizationWorkPlanReportingGuidance2017.pdf and include all applicable project details in the draft report. The draft work plan and the approval letter will suffice as a final version of the work plan. ADEC requests 48 hours notice before mobilization to the site. Lisa Griswold
6/28/2017 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 74978 Junk Yard. Lisa Griswold
10/24/2017 Site Visit Site visit conducted to obtain site access observe removal of vehicles for access to drums and observe overpacking of drums on site. Lisa Griswold
10/26/2017 Site Visit Site visit conducted to observe sub-surface soil sampling, and replacement of vehicles moved for access. Lisa Griswold
11/20/2017 Document, Report, or Work plan Review - other ADEC reviewed the draft Site Characterization Report on this date. Consultant was provided comments and is to submit a revised report by November 28, 2017. Lisa Griswold
11/29/2017 Update or Other Action NTP extended to January 31, 2018. Due to this extension, the revised report is now due on December 29, 2017. Lisa Griswold
1/22/2018 Site Characterization Report Approved Site Characterization Report conducted under NTP conditionally approved on this date. 36 drums were overpacked and removed from the site. 20 of the drums were manifested as hazardous waste due to Tetrachloroethylene and benzene concentrations, and 16 drums were manifested as non-hazardous waste. Surface soil samples indicate Diesel Range Organics (DRO) (up to 47,900 mg/kg), Residual Range Organics (RRO)(up to 257,000 mg/kg), benzene (up to 0.0364 mg/kg), benzo[a]anthracene (up to 0.511 mg/kg), benzo[b]flouranthene (up to 2.1 mg/kg), benzo[a]pyrene (up to 1.91 mg/kg), naphthalene (up to 0.165 mg/kg), and 2378 TCDD (up to 0.000346 mg/kg), and lead (up to 6,860 mg/kg) are present. Soil borings indicate DRO is present at 566 mg/kg, naphthalene at 0.11 mg/kg, 1,2,4 Trimethylbenzene at 0.26 mg/kg, and Tetrachloroethylene at 0.921 mg/kg are present in subsurface soil 14 feet below ground surface. All listed contaminants exceed Table B1 and B2 Migration to Groundwater cleanup levels, while benzo[b]fluoranthene, 2378 TCDD, and lead also exceed human health levels listed in Table B1, and DRO and RRO also exceed Maximum Allowable concentrations listed in Table B2. Arsenic was detected above cleanup levels in soil, but are considered background. Groundwater was not sampled as it was not encountered down to 20 feet below ground surface. Consultant is to submit final version of the report by January 31, 2018. Lisa Griswold
1/23/2018 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 74978 Junk Yard. Lisa Griswold
8/10/2018 Update or Other Action Complaint made regarding a motorhome with sorbents surrounding it within the potentially effected area of the site. Research could not locate the identities individuals possibly on site. ADEC PPR responded but did not proceed with assessment due to posted signage. Complaint referred to Matanuska-Susitna Code Compliance. Lisa Griswold
9/4/2018 Brownfields Award Native Village of Eklutna awarded a Targeted Brownfields Assessement by the EPA. Field activities are slated to take place summer 2019. Lisa Griswold
10/31/2018 Site Visit Site visit conducted on this date. The motorhome is still present in the area and appears to be occupied. Posted signage is still present. Recent snowfall obscured any attempts to view from distance any evidence of pollution. ADEC will coordinate with the Mat-Su Borough on moving the site forward prior to the TBA proposed for summer 2019. Lisa Griswold
3/11/2019 Meeting or Teleconference Held Teleconference held between Native Village of Eklutna, EPA Targeted Brownfields staff, and ADEC held on this date to discuss possible timeline for Summer 2019 field work. Dependent upon weather, a site visit may be scheduled for mid-late May to facilitate sampling later in the summer. Lisa Griswold
4/29/2019 Meeting or Teleconference Held Teleconference held between ADEC, EPA, E&E, Stantec and Matanuska Susitna Borough to discuss possible sampling strategies for 2019 field work. Lisa Griswold
9/23/2019 Update or Other Action E&E under the EPA's Targeted Brownfield program conducted field work this week to assess the site. Samples will include surface soil, subsurface soil, surface water and groundwater if encountered. Lisa Griswold
4/17/2020 Document, Report, or Work plan Review - other The Targeted Brownfields Assessment report completed by the EPA was reviewed. Sample results indicate Arsenic, Manganese, Antimony, Copper, Lead, Cadmium, Zinc, Mercury, DRO, GRO, Pentachlorophenol, benzene, ethylbenzene, Xylenes, N-Butylbenzene, Styrene, Benzo[a]anthracene, Benzo[a]pyrene, Naphthalene, Trichloroethene (TCE), Tetrachloroethene (PCE), 1,2,4 Trimethylbenzene, 1,2 Dibromethane, 1,3,5 Trimethylbenzene, and 2,3,7,8 TCDD were present in surface soil (0-2 feet bgs). Most were found above 18 AAC 75. 341 Tables B1 and B2 in concentrations exceeding only the most stringent cleanup level. Arsenic and Manganese are likely from naturally occurring conditions except for two samples which may have an anthropogenic source. Contaminants were not found above cleanup levels in subsurface soil (2 feet +) during this field effort. Arsenic, Manganese, lead and Ethylene Dibromide (EDB) were detected in groundwater above levels listed in 18 AAC 75.345 Table C. It should be noted that the groundwater found was likely transitory; the samples were turbid making the samples potentially biased high; the arsenic and Managanese may be due to naturally occurring conditions; and while EDB was found in the groundwater, it was not found in the soil above cleanup levels. Iron was the only contaminant located in surface water above DEC water quality standards, and may be due to the presence of rusting debris in the area. Arsenic, Nickel, Copper and Barium were found in the sediment above NOAA SQuiRT Tables. Lastly, building materials with 10.5% amosite asbestos was found on the site. Lisa Griswold
4/17/2020 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 74978 Junk Yard. Lisa Griswold
4/24/2020 Update or Other Action Potential removal of asbestos containing material and leaded soil on hold due to COVID-19. Lisa Griswold
9/3/2020 Meeting or Teleconference Held Stakeholder meeting to discuss the Targeted Brownfield Assessment Results held on this date. Items discussed included the scope of work, what was sampled, what was sampled for, the results and what the next steps are. Lisa Griswold
5/24/2021 Update or Other Action Removal of asbestos containing material and leaded soil still pending due to Covid-19 pandemic. Lisa Griswold
12/15/2021 Update or Other Action Staff assigned changed to Marc Thomas. Lisa Griswold
12/15/2021 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 74978 Junk Yard. Lisa Griswold
6/10/2022 Site Visit Two EPA On-Scene Coordinators conducted a site walk on June 10, 2022 to assess options for a Removal Site Evaluation and document the current site conditions. Rebekah Reams
9/14/2022 Update or Other Action Due to the risk to human health and the environment posed by the exposed asbestos containing material, hazardous waste, and contaminated soil remaining on the site, and because the responsible (RP) has been determined to not be financially viable, ADEC requested EPA complete a removal site evaluation and subsequent removal action at this site. Rebekah Reams
4/4/2023 Meeting or Teleconference Held DEC met with EPA and the Native Village of Eklutna to discuss upcoming site characterization and removal actions planned for the 2023 field season. Site characterization work under EPA is scheduled to begin May-June 2023 followed by removal action which will be guided by the results of characterization work. Rebekah Reams
10/25/2023 Update or Other Action The EPA and the Matsu Borough completed a removal action at the site. Approximately 50 cubic yards of lead contaminated soil, 30 cubic yards of thallium contaminated soil, drums, asbestos containing material, and 500 cubic yards of solid waste was removed from the site during this removal action. Rebekah Reams

Contaminant Information

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Control Type

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