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Site Report: Sani-Klean Service Station, Former SKS Texaco

Site Name: Sani-Klean Service Station, Former SKS Texaco
Address: TL-2902, North Pole, AK 99705
File Number: 100.26.157
Hazard ID: 24962
Status: Cleanup Complete - Institutional Controls
Staff: IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude: 64.715044
Longitude: -147.181984
Horizontal Datum:NAD27

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 gas/service station in Moose Creek with history of releases associated with operations. Stained soil and dying vegetation observed. Five regulated storage tanks and two heating oil tanks previously existed on property and were removed in 2004 by DEC contractors. In addition, 400 cubic yards of contaminated material were removed from the site. One dilapidated building remains. Other buildings and structures were demolished. Foreclosed by Fairbanks North Star Borough (FNSB) in 2003-2004. Identified for a brownfield site assessment by the DEC in 2004. 900 tons of contaminated soil were removed and transported to OIT for thermal treatment in 2012 by DEC's contractor. Six monitoring wells were installed by DEC's contractor in 2012 to assess the groundwater.

Action Information

Action Date Action Description DEC Staff
6/23/1992 Site Added to Database Former Staff
6/23/1992 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 77398 Actual Confirmed Release date. CS Action - Preliminary Assessment Approved. Kalu and Gibler visited site. Numerous open/leaking barrels of petroleum/petrochemical products were found. Some fill tubes to USTs appear to have had locks broken. Stained soil and dying vegetation. Owner has been contacted and suppose to be here in July 1992. Former Staff
8/19/1992 Update or Other Action CS DB Action by Gibler - Update (Old R:Base Action Code = CORR - Correspondence (General)). Sent letter to Hansford Dennison requesting plans for tank closure and site assessment and cleanup by 10-10-92. Bill Petrik
9/8/1992 Update or Other Action CS DB Action - Meeting. Mr. A.A. Smith, representative for Mr. Dennison, met to discuss what corrective actions were necessary and how he should proceed. Bill Petrik
9/8/1992 Update or Other Action CS DB Action by Peterson - Update (Old R:Base Action Code = RPL2 - Site Information Request Letter). ADEC sent PRP-CS Database Notification letter to RP requesting update and more environmental information concerning contaminated site. A.A. Smith called 9-18-92 for Jack Dennison with information that Jim Gillen, operator and previous owner, had tanks changed. Hansford Dennison, new owner, responded with completed information form. Bill Petrik
1/26/1993 Update or Other Action Site Initially Ranked Using the CS DB AHRM. Bill Petrik
5/5/1994 Update or Other Action CS Action by Hung - Proposed Plan Approved. Submitted draft SOLICITATION FOR PROPOSAL to Contaminated Sites Remediation Unit. Bill Petrik
5/5/1994 Update or Other Action CS Action by Hung - ADEC Assuming Cleanup Action. (Old R:Base Action Code = SLC - Site Lead Cleanup). Sent letter via Certified Mail, Return Receipt Requested, to Richard Talley, new owner of site as of 7/93, P.O. Box 55132, North Pole, AK 99705-0132. Unable to locate him by phone for meeting. Bill Petrik
5/25/1994 Site Visit CS DB Action by Hung - Update (Old R:Base Action Code = FI - Field Inspection (General)). With current site project manager, did an on-site inspection and drove around the area to obtain impression of population density on well water as well as see receptors of potential migration of contamination from this site. This would assist in the SLSW write-up. Bill Petrik
6/17/1994 Update or Other Action CS DB Action by Hung - ADEC Assuming Cleanup Action. Prepared justification using "Guidance For Requesting Response Funds For Contaminated Site Remediation" in order to shift monies since site not on original Orphan site list. Processed documents to obtain formal funding approval. Bill Petrik
6/20/1994 Update or Other Action CS DB Action by Hung - Update. Amount and capacity of USTs on site obtained from records when site was operating as gasoline station. Eleanor Hung obtained information on amount and capacity of USTs still in ground from records when site operated as gasoline station. Two 10,000-gallon gasoline USTs, one 4,000-gallon gasoline UST, one 2,000-gallon diesel UST and one 2,000-gallon kerosene UST. All USTs installed by Texaco in the 1970s. Last day of operation 12/1/90. Bill Petrik
6/29/1994 Update or Other Action CS DB Action by Hung - Update (Old R:Base Action Code = CORR - Correspondence (General)). No response to 5/23/94 certified letter. Rewrote another letter and sent via Restricted, Return Receipt Requested. Bill Petrik
6/29/1994 Document, Report, or Work plan Review - other CS DB Action by Hung - Site Characterization Report Approved (Old R:Base Action Code = LFI - Limited Field Investigation (CERCLIS)). Shannon and Wilson, Inc. submitted modified work plan to DEC's proposal due to RP's reluctance in giving permission for access. Bill Petrik
7/8/1994 Update or Other Action CS DB Action by Hung - Update (Old R:Base Action Code = CORR - Correspondence (General)). Wrote a letter informing Talley of DECCON site investigation involving monitoring wells or probes in order to determine ground water contamination and off-site migration. Contact for right-of-entry by ADEC will follow. Bill Petrik
7/8/1994 Site Visit CS DB Action by Hung - Update (Old R:Base Action Code = RPS - Responsible Party Search). On-site visit made to track RP as no response to ADEC letters. Located Talley's physical address as 4441 Lauesen Road in Moose Creek. Noted appearance of lack of human habitation for possibly several months. Visited North Pole Post Office where Talley rents box. Was informed that mail was being picked up. Bill Petrik
7/12/1994 Update or Other Action CS DB Action by Hung - Meeting. In-house meeting in preparation for 7/20/94 teleconference with Talleys. Decision made that AGO to do deed search on property. Bill Petrik
7/13/1994 Update or Other Action CS DB Action by Hung - Update (Old R:Base Action Code = CORR - Correspondence (General)). Confirmed telephone notification by letter to DECCON re- postponement of project which was to commence 7/25/94. Legal permission to enter site has been delayed due to recent developments in the case. Bill Petrik
7/13/1994 Update or Other Action CS DB Action by Hung - Update (Old R:Base Action Code = RPS - Responsible Party Search). Mother of wife of RP tracked by Investigator. Wife of RP calls ADEC from Missouri. Stated property given to them by Dennison summer 1993. Permission to access property deferred until Richard (husband) Talley contacted ADEC. Agreed that ADEC would call 7/14/94. Mary L. Talley calls after 7/12/94 contact made with mother, Eunice Smith. Agrees to teleconference with ADEC staff. Phone: (314) 239-9610. Address: 40 Norwood Trailer Park, Washington, MO. 63090. States property given to them by Dennison. Deed arrived 11/93. They did not want to purchase because of contamination. Permission to enter property pending. Advised by AGO to employ Transalaska Title Insurance Agency, Inc. to give ADEC title opinion on property known as lots 4 and 16, Section 29, T2S, R3E, FM. Bill Petrik
7/14/1994 Update or Other Action CS DB Action by Hung - Update (Old R:Base Action Code = RPL1 - Initiate Dialog with RP). Richard Talley calls from MO. Admits land is in his name though no money was paid. Claims he did not sign any legal documents. Refused to give permission for access as afraid he would have to pay for project. Agrees to teleconference 7/20/94 with ADEC staff for free exchange of information. Bill Petrik
7/15/1994 Update or Other Action (Old R:Base Action Code = RPL1 - Initiate Dialog with RP). Wrote letter and sent requested copy of deed of trust and application for financial assistance to Richard Talley. The deed of trust contained his signature as owner of the property. Bill Petrik
7/19/1994 Update or Other Action CS DB Action by Hung - Meeting. In-house meeting to review title opinion and re-adjust direction of 7/20/94 teleconference with Talleys. Title opinion indicates Richard Talley is legal owner of property. Bill Petrik
7/20/1994 Update or Other Action CS DB Action by Hung - Meeting. Teleconference with six ADEC staff and Richard and Mary Talley in Washington, MO. in order to obtain permission to enter property to excavate the 5 USTs, install monitor wells and do SA. Talleys deny ownership and that signature on Deed of Trust is a forgery. Bill Petrik
7/20/1994 Update or Other Action CS DB Action by Hung - Update. (Old R:Base Action Code = SA1R - Phase I SA Review (CS/LUST)). Received "Project Work Plan Tank Closure And Release Investigation" in response to 6/16/94 SOLICITATION FOR PROPOSAL. Bill Petrik
7/21/1994 Update or Other Action CS DB Action by Hung - Record of Decision Signed. Decision made after 7/20/94 teleconference with RP that letter will be written by McGee stating RP does not object to ADEC accessing the site, RP does not agree to reimburse ADEC, nor does ADEC agree to release the RP from any potential liability. RP to sign agreement within one week of receipt so that MWs can be installed. Decision made to defer USTs excavation. Bill Petrik
7/21/1994 Leaking Underground Storage Tank Cleanup Initiated - Petroleum 10/13/06 LUST cleanup initiated added to the action history Evonne Reese
7/21/1994 Site Visit CS DB Action by Hung - Update. (Old R:Base Action Code = FI - Field Inspection (General)). Did on-site inspection as a result of in-house meeting to see if five USTs contained product or water and to do video of site prior to SA. DECCON and ADEC worked together to "stick" the tanks using "Kolor Kut" and found no product and little water in the USTs. Bill Petrik
7/25/1994 Update or Other Action CS DB Action by Hung - Update. (Old R:Base Action Code = RPL2 - Site Information Request Letter). Wrote letter to Texaco making formal request for past records re- franchise and/or contract agreements between former owners/operators, records of past installation, maintenance, operation of USTs, etc. Bill Petrik
8/1/1994 Update or Other Action CS DB Action by Hung - Update. (Old R:Base Action Code = RPL1 - Initiate Dialog with RP). Telephoned Talleys as no response to 7/21/94 "Site Assessment for the Property at 21 Mile Old Richardson Highway (TL 2902)" letter. Richard Talley agreed 7/20/94 to sign. Mary Talley states they will not sign letter due to Richard obtaining some information from Anchorage FAP. Bill Petrik
8/12/1994 Update or Other Action CS DB Action by Hung - ADEC Assuming Cleanup Action. (Old R:Base Action Code = SLC - Site Lead Cleanup). AGO submits "Application For Inspection Warrant". Bill Petrik
8/16/1994 Update or Other Action CS DB Action by Hung - Meeting. In-house meeting decision to obtain Administrative Search Warrant. In preparation, the following will be done: 1) Regional Administrator to testify; 2) Affidavits for Hung and Kalu to be written; 3) On-site visit to be made before court appearance; 4) surface monitor well designs for unobstrusiveness; 5) list of court exhibits to be worked on. CS DB by Hung - ADEC Assuming Cleanup Action (Old R:Base Action Code = SLC - Site Lead Cleanup). AGO submits "Memorandum In Support Of Application For Inspection Warrant". Bill Petrik
8/17/1994 Site Visit CS DB Action by Hung - ADEC Assuming Cleanup Action (Old R:Base Action Code = SLC - Site Lead Cleanup). Did on-site visit to obtain example photographs for court exhibits on flush mount and stand-up monitor well designs. Bill Petrik
8/18/1994 Site Visit CS DB Action by Hung - Update (Old R:Base Action Code = FI - Field Inspection (General)). Accompanied 4 ADEC staff members to site in preparation for 8/25/94 court hearing. Decision made to do 14 probes instead of 3 monitor wells and to obtain from DECCON work plan proposal for these. Bill Petrik
8/18/1994 Update or Other Action CS DB Action by Hung - ADEC Assuming Cleanup Action (Old R:Base Action Code = SLC - Site Lead Cleanup). Warrant Hearing set before District Court Judge at 3:30 PM 8/25/94. Bill Petrik
8/19/1994 Update or Other Action CS DB Action by Hung - ADEC Assuming Cleanup Action (Old R:Base Action Code = SLC - Site Lead Cleanup). Received for court exhibit, documents entitled, "Quarterly Ground Water Monitoring And Sampling Report, Moose Creek General Store." To be used to show off-site migration possibly from Sani-Klean site. Bill Petrik
8/23/1994 Update or Other Action CS DB Action by Hung - ADEC Assuming Cleanup Action (Old R:Base Action Code = SLC - Site Lead Cleanup). Affidavits HUNG and KALU completed and ready for Search Warrant Hearing. Bill Petrik
8/23/1994 Underground Storage Tank Site Characterization or Assessment CS DB Action by Hung - Site Characterization Workplan Approved (Old R:Base Action Code = SA1R - Phase I SA Review (CS/LUST)). Received modified work plan entitled, "Ground Water Probe Sampling, Sani-Klean Service Station, Moose Creek, Alaska". Bill Petrik
8/24/1994 Update or Other Action CS DB Action by Hung - Meeting. In-house meeting, final preparation for Warrant Hearing before District Court Judge. Regional Administrator decides off-site migration levels too low and there appears to be inadequate evidence to pursue obtaining a warrant. Court appearance is cancelled. Decision made to issue NOV instead. Bill Petrik
8/24/1994 Update or Other Action CS DB Action by Hung - Update (Old R:Base Action Code = CORR - Correspondence (General)). Wrote a letter giving DECCON official notification that project SLSW has been cancelled. Bill Petrik
9/23/1994 Update or Other Action CS DB Action by Hung - Update. Letter sent certified 5/11/94, returned due to clerical error in Post Office Box Number. Was resent 5/23/94, certified mail with corrected Post Office Box Number. Letter has not been returned. Restricted letter sent 6/29/94, returned unclaimed 7/19/94. Restricted letter sent 7/8/94, returned 7/26/94. Bill Petrik
10/7/1994 Update or Other Action CS DB Action by Bainbridge. Meeting with Pete McGee / Tim Wingerter / Kalu Kalu / Eleanor Hung to sort out various courses of action to deal with the clean-up of this site. Bill Petrik
10/7/1994 Update or Other Action CS DB Action by Hung - Site Characterization Workplan Approved (Old R:Base Action Code = MP - Management Plan (CERCLIS)). Staff meeting decision - NOV not to be issued to allow RP time to file for FA. Time to expire 12/31/94. After 12/31/94, may refer to EPA or issue NOV or obtain search warrant. Bill Petrik
1/3/1995 Update or Other Action CS DB Action by Hung - Update. This site selected as one of top 20 sites. Prepared site summary report according to format desired by C/O. Bill Petrik
1/25/1995 Update or Other Action CS DB Action by Peterson - Site Ranked Using the AHRM. Reranked using GW contamination value "unknown". Bill Petrik
11/2/1999 Update or Other Action Brief review of the file indicates that nothing has occurred at this site, although proposals by state contractors have been put forth. Former Staff
5/30/2000 Update or Other Action PERP had Inland PetroService doing a small drum cleanup at the former Texaco in Moose Creek. John Carnahan
6/20/2000 Update or Other Action CS DB Action by Wiegers - Update. Borough foreclosed on property. Prospective Purchase Agreement in Event of Municipal Foreclosure signed by Fairbanks North Star Borough and ADEC. Bill Petrik
12/14/2001 Update or Other Action CS DB Action by Wiegers - Update. Correspondence from Borough inidcates that Pioneer Baptist Church requested subdivision of the lot directly west of the Sani-Klean site. The platting board required a note be placed on the plat indicating groundwater may be contaminated with petroleum and solvents. Bill Petrik
2/15/2002 Update or Other Action Interest by the Moose Creek Baptist Subdivision pertaining to contaminated site issues associated with this property. Interest surrounds the constructinon of a church and associated water supply well on the inferred downgradient (northwest) direction of the property. John Carnahan
2/15/2002 Update or Other Action CS DB Action by Wiegers - Update. John Carnahan sends memo to Richard Heiren recommending a groundwater sampling program to determine the groundwater quality and co-ordination with ADEC Drinking Water Program if a water supply well is installed. Bill Petrik
7/10/2002 Update or Other Action CS DB Action by Goldman - GIS Position Update. Changed the Latitude, Longitude, Method Accuracy, Accuracy and Unit fields. Bill Petrik
1/28/2004 Update or Other Action Transferred DEC staff lead from John Carnahan Cynthia Pring-Ham
5/6/2004 Update or Other Action Contract approved for assessment by DEC term contractor 'Nortech' to conduct UST site assessment. John Carnahan
5/11/2004 Brownfields Award Pursuant to verbal approval, EPA provides written (email) approval for this site for funding through the Brownfield site assessment grant in an email. Site is one of two selected for brownfield assessments by DEC term contractors - intent to remove onsite storage tanks and do limited assessment in accordance with federal funding requirements. SOA CIP funds $95,092 for FY 2004, for a Phase I ESA and Site Characterization and UST removal. NTP # 18-7000-23-01. John Carnahan
9/22/2004 Underground Storage Tank Site Characterization or Assessment UST Removal and Site Assessment report completed by DEC Term Contractor, Nortech. Total of 5 regulated tanks and 2 heating oil tanks removed. Contaminated soil primarily in the subsurface extends into driveway to south on property, with a total aerial extent of 2,500-ft2, yielding up to 1,000 yd3. Groundwater impacts identified to extend 100 feet downgradient to the west and north of source area, although limited to onsite. John Carnahan
9/24/2004 Update or Other Action A parallel site formerly resided in the Contaminated Sites DB. The CS DB Manager copied all the actions and other relevant information from the CS DB to the LUST DB this date, then deleted the record from the CS DB. Formerly File # 100.38.065. The RP and Landowner listed in the CS DB was Richard Tally; 40 Norwood Trailer Park; Washington, MO 63090; (314) 239-9610. Bill Petrik
6/21/2007 Update or Other Action In light of upcoming tax foreclosure sale, the file was reviewed by project staff to determine the current status of the site. This information may prove useful for a future buyer as to what conditions exist that may require future action or long-term management. 6/19/07 - File review by Ann Farris (Not intended to be interpreted as an opinion or decision statement) A conditional closure is likely not appropriate at this site at this time. However, it may be possible to reach Conditional Closure with a minimal remedial effort and institutional controls. There is surface staining/contamination and subsurface soil contamination at a minimum of three areas. There is also debris on site that may cover additional contamination, although likely minor in volume and extent. Further there is subsurface contamination and limited groundwater contamination. There does not appear to be off-site migration of contaminants. Nortech estimated the remaining subsurface contamination at approximately 800-1,000 cy. Primary contaminants of concern are BTEX, TMBs, EDB, lead, and GRO, DRO, RRO. The highest concentrations found in the soil were 536 mg/kg GRO, 21,000 mg/kg DRO, 14500 mg/kg RRO, 0.151 mg/kg EDB, 0.112 mg/kg benzene, 95.4 mg/kg Xylenes. The TMBs and lead were found at notable levels, but not above cleanup levels. These samples are likely not representative of the worst contamination on site. There are no buildings currently on site, only remaining foundations. A possible route to a conditional closure may be to remove the debris and surface contamination, pave the site and restrict groundwater use. Evaluate the need for groundwater monitoring wells at the downgradient edge of the property as there was only one round of groundwater sampling. Another option may be to remove the surface and subsurface contam., put in 3-4 groundwater monitoring wells for a few years of semiannual sampling, and then look at unconditional closure.~~ John Carnahan
10/6/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 77398 name: Sani-Klean Service Station, Former SKS Texaco John Carnahan
5/11/2012 Site Visit Staff visited and walked the site to prepare for pending RFP to address soil removal. Could not find any active monitoring points, but did locate corner monument. Met with adjacent property owner. John Carnahan
9/5/2012 Document, Report, or Work plan Review - other Draft document entitled, "Sani-Klean Service Station, Moose Creek, Alaska, Contaminated Soil Removal and Groundwater Monitoring Work Plan" submitted by OASIS Environmental on 08/31/2012. Document reviewed by Carnahan and Brunner, and comments returned to OASIS on 09/05/2012. Document describes contaminated soil removal action and monitoring well installation planned for the site in September 2012. Melinda Brunner
9/6/2012 Update or Other Action Project Manager changed from Carnahan to Brunner. John Carnahan
9/7/2012 Site Visit Carnahan and Brunner met with representatives from OASIS Environmental, Rockwell Engineering and the Fairbanks North Star Borough at the site to discuss the proposed excavation scheduled to begin 09/10/2012. Topics discussed included disposal of brush and junk cars, access to the site, potential lateral limits of the excavation, and site security. Melinda Brunner
9/10/2012 Site Characterization Workplan Approved Final work plan entitled, "Sani-Klean Service Station, Moose Creek, Alaska, Contaminated Soil Removal and Groundwater Monitoring Work Plan" submitted by OASIS Environmental on 09/07/2012. Document approved by Brunner on 09/10/2012. Melinda Brunner
9/12/2012 Site Visit Site visit to observe excavation and sampling at active dig. OASIS and Rockwell staff on-site. Approximately 382 tons of contaminated soil hauled to OIT for burning by the end of 09/12/2012. Total volume of soil to be removed is approximately 1200 tons. Melinda Brunner
9/21/2012 Site Visit Site visit with OASIS representative to finalize groundwater monitoring well installation locations. Wells scheduled for installation on 09/25/12 and 09/26/12. Melinda Brunner
9/26/2012 Site Visit Site visit to observe installation of monitoring wells. All monitoring wells to be installed by end of 09/26/2012. Melinda Brunner
2/11/2013 Document, Report, or Work plan Review - other OASIS Environmental submitted a draft report entitled, "Former Sani-Klean Service Station, Moose Creek, Alaska, Remedial Action Report, Draft" dated December 2012 to DEC on 12/31/2012. Brunner reviewed the report, and provided comments to OASIS on 02/11/2013. Melinda Brunner
4/29/2013 Site Characterization Report Approved The report entitled, “Former Sani-Klean Service Station, Moose Creek, Alaska, Remedial Action Report” dated April 2013 submitted by OASIS Environmental is approved. The report describes the removal of approximately 900 tons of contaminated soil from the site, groundwater monitoring well installation, groundwater sampling, and drinking water well sampling. The sampling found that only the well installed in the source area contained contaminant concentrations above DEC cleanup levels. The drinking water well sampled on adjacent, downgradient property did not contain any contaminants above cleanup levels. Melinda Brunner
6/24/2013 Document, Report, or Work plan Review - other ERM Alaska, Inc. submitted a draft letter report on 06/19/13 describing groundwater monitoring done at the Sani-Klean site in May 2013. Comments on the draft report returned to ERM Alaska by Brunner on 06/24/13. Melinda Brunner
7/1/2013 Document, Report, or Work plan Review - other GW Monitoring Report for 5/20/2013 (report date 6/25/13) reviewed and approved. Increasing water table elevations at time of sampling with GW flow direction to west-southwest. Only well exceeding cleanup criteria was MW5 with benzene exceedence at 0.007 mg/l. John Carnahan
9/4/2013 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 77398 Sani-Klean Service Station, Former SKS Texaco. Melinda Brunner
10/21/2013 Site Characterization Workplan Approved ERM Alaska, Inc.'s document entitled "Sani-Klean Service Station, Former SKS Texaco - Groundwater Monitoring and Well Decommissioning Work Plan" dated October 17, 2013 was reviewed and approved by Brunner. The work plan describes proposed Fall 2013 and Spring 2014 groundwater monitoring at the site, as well as drinking water sampling at the adjacent down-gradient property. Melinda Brunner
10/21/2013 Brownfields Award FY 2014 SOA LUST Trust Funds award $36,090 for monitoring and potential site closure through well sampling at Sani-Klean (Former SKS). NTP# 18803602009. Two events and two reports on groundwater sampling for FY 2014. Further work completed in 2015 under NTP# 18803602009B. Cascade Galasso-Irish
10/22/2013 Site Visit Site visit with representatives of the Fairbanks North Star Borough to observe groundwater sampling by ERM Alaska, Inc. Also met with Marshall Hamilton of the Pioneer Baptist Church on the adjacent property to discuss the results of drinking water sampling done at the Church in 2012; the sampling found no petroleum-related contamination concentrations above action levels. Melinda Brunner
1/8/2014 Document, Report, or Work plan Review - other ERM Alaska, Inc. submitted a draft letter report on 12/16/13 describing groundwater monitoring done at the Sani-Klean site in October 2013. Comments on the draft report returned to ERM Alaska by Brunner on 01/08/14. Melinda Brunner
1/10/2014 Site Characterization Report Approved Finalized report submitted by ERM Alaska, Inc. describing October 2013 groundwater monitoring results approved by Brunner. Sampling showed that the monitoring well (MW-5) located in the previous source area is contaminated with EDB, benzene and GRO above DEC's cleanup levels. The other five monitoring wells sampled on-site showed no contaminant concentrations above DEC's cleanup levels. The drinking water of the Pioneer Baptist Church on the adjoining downgradient property was also tested, and found free of fuel-related contaminants above action levels. Melinda Brunner
5/12/2014 Update or Other Action Groundwater samples taken at Sani-Klean on 5/7/14 by ERM. ERM also sampled the drinking water at the Pioneer Baptist Church on the adjacent downgradient property to assess whether the contamination at Sani-Klean is moving off-site. Melinda Brunner
7/1/2014 Update or Other Action ERM Alaska, Inc. submitted a draft letter report on 6/18/14 describing groundwater monitoring done at the Sani-Klean site in May 2014. Comments on the draft report returned to ERM Alaska by Brunner on 07/01/14. Melinda Brunner
7/3/2014 Site Characterization Report Approved Finalized report submitted by ERM Alaska, Inc. describing May 2014 groundwater monitoring results approved by Brunner. Sampling showed that the monitoring well (MW-5) located in the previous source area is contaminated with benzene above DEC's cleanup levels. The other five monitoring wells sampled on-site showed no contaminant concentrations above DEC's cleanup levels. The drinking water of the Pioneer Baptist Church on the adjoining downgradient property was also tested, and found free of fuel-related contaminants above action levels. Melinda Brunner
5/22/2015 Update or Other Action Monitoring wells MW-1 through MW-6 were decommissioned on 5/21-22/15. Melinda Brunner
6/15/2015 Document, Report, or Work plan Review - other Brunner approved the "Sani-Klean Service Station 2015 Monitoring Well Decommissioning Report" dated 11 June 2015. The report describes the decommissioning of six monitoring wells (MW-1 through MW-6) at the former Sani-Klean site on May 21 and 22, 2015. Melinda Brunner
10/5/2016 Update or Other Action This property is listed in the Borough October 2016 land auction. In order to adequately inform potential buyers of known and suspected contamination, a Notice of Environmental Contamination (NEC) was filed with the Recorder's Office. In addition, a letter was sent to the Borough outlining DEC concerns about the property, and the Borough intends to attach the letter to the land description for the property. Conditions of the NEC included advisories against installing groundwater wells, against performing excavation without a DEC-approved work plan, and for conducting a vapor intrusion assessment if any buildings will be constructed. Additional areas of hazardous contamination may be present on the property that have not yet been investigated. Joy Whitsel
1/10/2019 Institutional Control Record Established Institutional Controls established and entered into the database. Michael Hooper
1/10/2019 Cleanup Complete Determination Issued Cleanup complete determination was approved by CSP EPMIII on 12/19/2018. Institutional controls established on the property in 2016 limit exposure to groundwater and soil contamination as well as future exposure to vapor intrusion. Michael Hooper
8/20/2024 Institutional Control Compliance Review IC compliance review completed on this date. An IC reminder letter was e-mailed to the landowner. The next review will be in five years’ time. Gaige Robinson

Contaminant Information

Name Level Description Media Comments
BTEX > Human Health/Ingestion/Inhalation Soil
BTEX > Table C Groundwater
GRO > Table C Groundwater
DRO > Human Health/Ingestion/Inhalation Soil
Ethylene dibromide > Table C Groundwater
GRO > Human Health/Ingestion/Inhalation Soil

Control Type

Type Details
Notice of Environmental Contamination

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)
Groundwater Use Restrictions Groundwater Wells should not be installed without ADEC approval
Excavation / Soil Movement Restrictions Due to the presence of sub-surface soil contamination on the property, no excavation or demolition activity should proceed in the contaminated area without an ADEC Contaminated Sites Approved work plan.
New Construction Restrictions Subsurface contaminants are present that pose potential risk to indoor air quality. A vapor intrusion assessment should be conducted if any building will be constructed within 100 feet of known soil contamination.
Maintenance / Inspection Of Engineering Controls Sub0surface soil contamination is present on the property; a clean soil cap of atleast two feet should be maintained to prevent human or animal exposure to sub-surface soils.

No associated sites were found.

Missing Location Data

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State of Alaska Department of Environmental Conservation

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