| Action Date |
Action |
Description |
DEC Staff |
| 6/15/1995 |
Site Added to Database |
|
Former Staff |
| 6/15/1995 |
Leaking Underground Storage Tank Cleanup Initiated - Petroleum |
Two gasoline tanks removed, and 125 cubic yards of contaminated soil stockpiled on the gas station property. Fuel stained soils were identified at the fill pipe and product piping. Up to 0.034 mg/kg benzene and non-detect (<2.0 mg/kg) GRO in the excavation and piping run samples collected. The results are biased low because field preservation with methanol was not conducted at that time. The tank excavation extended to 16 feet below ground surface (bgs) and the piping to 5 feet bgs. No sidewall samples were collected in the piping and tank excavation, so contamination may remain in those areas. |
Former Staff |
| 6/15/1995 |
Leaking Underground Storage Tank Release Confirmed - Petroleum |
LUST Site created in CSP for source area ID 78022 (Added by System) |
Former Staff |
| 5/20/2000 |
Document, Report, or Work plan Review - other |
In 2000, an upgrade of the three compartment 12,000 gallon UST system was performed. 30 cubic yards of diesel contaminated soil was removed at the top of the tank, diesel piping, and each of the three dispenser area. Visibly fuel stained soils were identified at the UST turbine pump that had migrated in the pea gravel backfill along the tank sides. No soil samples were collected from the remaining visibly fuel stained soils near the tank. Only a dispenser sample was collected at 4.5 feet below ground surface that was non-detect for benzene, and 98.0 mg/kg DRO. The sample was not analyzed for GRO.
A new 15,000 gallon gasoline tank was installed as part of the upgrades. The 30 cubic yards of diesel contaminated soil was thermally treated later in 2000. |
Former Staff |
| 7/6/2000 |
Offsite Soil or Groundwater Disposal Approved |
30 cubic yard diesel stockpile and 3 cubic yard 1999 diesel spill stockpiles are approved to be thermally treated at ASR. |
Former Staff |
| 9/15/2000 |
Underground Storage Tank Site Characterization or Assessment |
On September 15, 2000 two soil borings were sampled to help define the extend of the contamination just to the north of the 12,000 gallon 3 compartment tank. Up to 5,180 mg/kg DRO, 2,900 mg/kg GRO, and 8.45 mg/kg benzene at 13.5 feet below ground surface (bgs) and 0.319 mg/kg benzene at the base of the boring 2 at 26.5 feet bgs, and 0.0497 mg/kg benzene at the base of boring 1 at 30.5 feet bgs. Soil boring 2 was installed with 20 feet of screen to be used for a future in-situ remediation system. The consultant recommends further release investigation to determine the depth to groundwater and to detemine if it has been impacted. |
Former Staff |
| 3/26/2001 |
Update or Other Action |
RP letter requesting delay in conducting corrective action until the system is removed, which is scheduled to happen by 2006 when planned highway upgrades are scheduled that will route the highway to bypass Bird-Indian. |
Robert Weimer |
| 10/24/2001 |
Update or Other Action |
ADEC letter requesting a release investigation workplan, an area drinking water well search, a corrective action plan, and information on the status of the 125 cubic yard contaminated stockpile generated during the UST system upgrade in 1995. |
Robert Weimer |
| 3/8/2002 |
Site Characterization Workplan Approved |
ADEC letter conditionally approves release investigation work plan and request for area drinking water well sampling. The 1/4 mile drinking water well search identified one drinking water well on the property (120 feet to the north) and two nearby (one for the Cafe and one for the home on the property) at the Bird Creek Cafe property (350 feet to the southeast and south by southeast). The depth drinking water ranges between 65 and 130 feet below ground surface. The ADEC requested that all three drinking water wells be sampled for VOCs (Method 524.2), GRO, and DRO. |
Robert Weimer |
| 3/13/2002 |
Document, Report, or Work plan Review - other |
ADEC receives a report documenting the location of the 125 cubic yard contaminated stockpile that was generated during the UST system upgrade in 1995. The contaminated stockpile was initially stored on the gas station property and later moved without ADEC notification or approval to a nearby residential property owned by the gas station owner. The contaminated soils were spread on the ground surface without a cover or liner. On January 17, 2002 the RP's consultant, without a DEC approved sampling plan, collected 5 analytical soil samples from those soils. Up to 0.880 mg/kg GRO, and non-detect (<0.009 mg/kg) benzene in the samples collected. Those results are considered biased low since the sample locations were collected without using field screening reading to determine the analytical sample locations. |
Robert Weimer |
| 4/16/2002 |
Document, Report, or Work plan Review - other |
On March 21, 2002 the three nearby drinking water wells were sampled. All samples were non-detect for BTEX (<0.5 ug/l), GRO (<0.09 mg/l), and DRO (<0.495 mg/l). |
Robert Weimer |
| 6/19/2002 |
Update or Other Action |
ADEC letter requesting a release investigation work plan for the installation of additional monitoring wells to help define the extent of groundwater contamination at the site. |
Robert Weimer |
| 6/19/2002 |
Update or Other Action |
ADEC letter to Bill Johnston (the previous gas station owner/operator, and the property owner of residence where the 1995 contaminated stockpile was placed without ADEC approval) requesting a workplan for the proper sampling of contaminated stockpile and area around it for secondary contamination. He had moved the stockpile to his property (Lot 23) without prior ADEC approval, and the contaminated stockpile was place there without any liner or cover. |
Robert Weimer |
| 7/5/2002 |
Site Characterization Workplan Approved |
ADEC letter conditionally approving sampling and analysis work plan for the 125 cubic yard contaminated soil stockpile that was moved off of the gas station property without ADEC approval. The sampling needs to include sampling for secondary contamination from runoff because the contaminated soil was placed on the ground surface without a liner or cover. |
Robert Weimer |
| 8/27/2002 |
Site Characterization Workplan Approved |
ADEC letter approving "Release Investigation Work Plan" for the drilling and sampling of three additional soil borings. |
Robert Weimer |
| 12/17/2002 |
Document, Report, or Work plan Review - other |
ADEC letter. The September 2002 Report documents that the 125 cubic yard stockpile and the area around and under the stockpile at the Johnson Property - Lot 23 meets Method 1, Category A cleanup levels. Five stockpile, one perimeter soil sample, and five subsurface analytical samples under the stockpile were collected based on field screening readings. Up to 1.35 mg/kg GRO, non-detect (<0.024 mg/kg) benzene in the soil samples collected. Based on those results the ADEC is not requesting any further sampling of the stockpile or stockpile area at this property. |
Robert Weimer |
| 9/3/2004 |
Document, Report, or Work plan Review - other |
Report for the May 18, 2002 groundwater monitoring event. Up to 14.1 ug/l benzene in the groundwater (MW-1). Contamination concentrations have increased slightly since the April 26, 2002 sampling. |
Robert Weimer |
| 9/3/2004 |
Document, Report, or Work plan Review - other |
Release investigation conducted in 2002 to help define the extent of the soil and groundwater contamination. Soil contamination (up to 2.17mg/kg benzene, 3,390 mg/kg DRO, and 475 mg/kg GRO) extends down to 42 to 62 feet at several locations. Groundwater is at 72 feet below ground surface. Groundwater contamination (up to 14 ug/l benzene) has been found in the area of monitoring well MW-1. Higher contamination concentrations may exist due to the fact that the soil samples from MW-4 from 12 to 42 feet bgs had higher field readings but were not analyzed because the sample jars were broken during transit to the lab. |
Robert Weimer |
| 9/4/2004 |
Document, Report, or Work plan Review - other |
July 20, 2002 groundwater monitoring. All 4 monitoring wells are non-detect. |
Robert Weimer |
| 9/7/2004 |
Update or Other Action |
ADEC letter requesting BTEX, GRO, and DRO groundwater monitoring at the site. |
Robert Weimer |
| 9/16/2004 |
Update or Other Action |
File number reassigned from 2114.26.001 to 2105.26.001 |
Aggie Blandford |
| 11/5/2004 |
Update or Other Action |
ADEC letter requesting semi-annual BTEX sampling of the site monitoring wells, and not objection to deferring active remediation of the site until the USTs are removed, if that is to occur within the next 2 years. |
Robert Weimer |
| 11/5/2004 |
Document, Report, or Work plan Review - other |
October 13, 2004 groundwater monitoring. Three of the four monitoring wells were non-detect for benzene and GRO. The contamination concentrations appear to be decreasing. Monitoring well MW-4 was not sampled because it was filled with sand, this monitoring well has been only sampled once on July 20, 2002. |
Robert Weimer |
| 8/12/2005 |
Document, Report, or Work plan Review - other |
April 26, 2005 groundwater monitoring. All three monitoring wells were non-detect this monitoring event. The contamination concentrations appear to be decreasing. Groundwater flows to the south. Monitoring well MW-4 filled with sand, which was previously only sampled once on July 20, 2002. |
Robert Weimer |
| 1/27/2006 |
Document, Report, or Work plan Review - other |
October 20, 2005 groundwater monitoring. All four monitoring wells were non-detect this monitoring event. The contamination concentrations appear to be decreasing. Groundwater flows to the south. Depth to groundwater was 72 to 75 feet below ground surface. Monitoring well MW-4 was not sampled because it was filled with sand, this monitoring well has been only sampled once on July 20, 2002. |
Robert Weimer |
| 7/25/2006 |
Document, Report, or Work plan Review - other |
May 24, 2006 groundwater monitoring. Up to 3.8 ug/l benzene in the 3 monitoring wells sampled. All 3 moniroting wells had detectable levels of contamination. The contamination concentrations appear to be increasing. Groundwater flows to the south. Depth to groundwater was 70 to 73 feet below ground surface. Monitoring well MW-4 was not sampled because it was filled with sand, this monitoring well has been only sampled once on July 20, 2002. |
Robert Weimer |
| 5/10/2007 |
Update or Other Action |
ADEC approves extension to the end of May 2007 to conduct the next groundwater monitoring event. One of the monitoring wells (MW-2) was plugged with ice. |
Robert Weimer |
| 3/3/2008 |
Update or Other Action |
ADEC approves extension to late spring/early summer 2008 to conduct the next groundwater monitoring event because of icing problems. ADEC requests that two monitoring events be conducted each year. |
Robert Weimer |
| 5/2/2008 |
Document, Report, or Work plan Review - other |
June 11, 2007 groundwater monitoring. Non-detect (<1.0 ug/l) benzene in the 3 monitoring wells sampled. The contamination concentrations appear to be decreasing. Groundwater flows to the southwest. Depth to groundwater was 69.75 to 71.21 feet below ground surface. Monitoring well MW-4 was not sampled because it was filled with sand, this monitoring well has been only sampled once on July 20, 2002. |
Robert Weimer |
| 5/9/2008 |
Exposure Tracking Model Ranking |
Site ranked on the new Exposure Tracking Model (ETM). The ETM is a new site ranking system that looks at, based on available data, the potential exposure pathways for the contamination remaining at the site. |
Robert Weimer |
| 9/9/2008 |
Document, Report, or Work plan Review - other |
June 13, 2008 groundwater monitoring. Non-detect (<1.0 ug/l) benzene in the 3 monitoring wells sampled. The contamination concentrations appear to be decreasing. Groundwater flows to the southwest. Depth to groundwater was 68.85 to 69.7 feet below ground surface. Monitoring well MW-4 was not sampled because it was filled with sand, this monitoring well has been only sampled once on July 20, 2002. |
Robert Weimer |
| 4/23/2009 |
Document, Report, or Work plan Review - other |
December 22, 2008 groundwater monitoring. Up to 0.259 ug/l benzene in the 3 monitoring wells sampled. The contamination concentrations appear to be decreasing. Groundwater flowed to the south. Depth to groundwater was 71.75 to 72.71 feet below ground surface. Monitoring well MW-4 was not sampled because it was filled with sand, this monitoring well has been only sampled once on July 20, 2002. |
Robert Weimer |
| 8/18/2010 |
Document, Report, or Work plan Review - other |
August 28, 2009 groundwater monitoring. Up to 0.277 ug/l benzene in the 3 monitoring wells sampled. The contamination concentrations increased slightly in 1 of the 3 monitoring wells sampled. Groundwater flowed to the south. Depth to groundwater was 70.26 to 71.25 feet below ground surface. Owners consultant recommends annual groundwater monitoring at this site in the fall. Monitoring well MW-4 was not sampled because it was filled with sand, this monitoring well has been only sampled once on July 20, 2002. |
Robert Weimer |
| 12/29/2010 |
Exposure Tracking Model Ranking |
A new updated ranking with ETM has been completed for source area 78022 1995 UST contamination. |
Robert Weimer |
| 10/17/2011 |
Document, Report, or Work plan Review - other |
June 29, 2010 groundwater monitoring. Non-detect (<0.5 ug/l) benzene in the 3 monitoring wells sampled. The contamination concentrations decreased in the 3 monitoring wells sampled. Groundwater flowed to the south. Depth to groundwater was 69.35 to 70.49 feet below ground surface. Owners consultant recommends annual groundwater monitoring at this site in the fall. Monitoring well MW-4 was not sampled because it was filled with sand, this monitoring well has been only sampled once on July 20, 2002. |
Robert Weimer |
| 7/16/2012 |
Document, Report, or Work plan Review - other |
October 22, 2011 groundwater monitoring. Non-detect (<0.5 ug/l) benzene in the 3 monitoring wells sampled. The contamination concentrations decreased in the 3 monitoring wells sampled. Groundwater flowed to the south. Depth to groundwater was 71.13 to 72.16 feet below ground surface. Owners consultant recommends annual groundwater monitoring at this site in the fall. Monitoring well MW-4 was not sampled because it was filled with sand, this monitoring well has been only sampled once on July 20, 2002. |
Robert Weimer |
| 12/20/2012 |
Update or Other Action |
ADEC review of site closure request. Due to the remaining source of soil contamination continued groundwater monitoring is needed at this site and a Corrective Action Complete status is not justified.
The downgradient monitoring well MW-4 filled in with sand and has not had groundwater samples collected since 2004. Upon further review of the site boring logs ADEC has concerns that the existing monitoring wells may not be adequately monitoring the groundwater at the site. A shallower groundwater zone may exist at this site that could be impacted and provide transport for the remaining contamination at this site. A sandy wet layer exists at a shallower depth 33 to 54 feet in MW1, 36 to 61 feet in MW2, 39 to 47 feet in MW3, and 41 to 49 feet in MW4 than the screened intervals in the existing monitoring wells. Higher field readings and contaminant concentrations were identified at in this sandy layer.
ADEC requests by February 1, 2013 a work plan for the installation and sampling of at least 3 shallower monitoring wells at this site by May 31, 2013. During the installation soil samples need to be collected to help assess the current soil contamination concentrations in those areas.
ADEC has no objection to suspending the groundwater monitoring of the deeper monitoring wells until the above requested shallower soil and groundwater assessment has been conducted and the results are reviewed.
|
Robert Weimer |
| 3/1/2013 |
Update or Other Action |
Email from the RP's new consultant that requested work plan will be submitted soon. The work plan was to be submitted by February 1, 2013. |
Robert Weimer |
| 3/18/2013 |
Document, Report, or Work plan Review - other |
Release investigation work plan submitted for review. The plan proposes to install only 1 shallow monitoring well screened from 35 to 50 feet below ground surface (bgs) near the southern end of the 12,000 gallon gasoline tank and to abandon monitoring well MW-4 which had filled with sand. They propose to collect soil samples for BTEX and GRO at the soil/water interface and any other depth with elevated field readings. This work plan is not approved. ADEC sent a request for a revised work plan that includes the following:
1. As per my 12/30/12 email a minimum of three shallower monitoring wells are requested. The site map needs to show the location of these three monitoring wells.
2. The analysis needs to include DRO in all soil samples.
3. The most likely contaminated depth in each boring is to also be analyzed for PAHs, lead, EDB, and 1,2-DCA.
4. The initial groundwater monitoring event is to include BTEX, GRO, DRO. Those results will be used to determine which wells that will need to be sampled for PAHs, lead, EDB, and 1,2-DCA in a subsequent groundwater monitoring event.
5. Soil and groundwater sampling is to be conducted in accordance with the ADEC May 2010 Draft Field Sampling Guidance.
6. The monitoring wells need to be installed and developed in accordance with the DEC November 2011 Monitoring well Guidance.
7. Monitoring well MW-4 needs to be decommissioned in accordance with the ADEC November 2011 Monitoring well Guidance.
8. Complete copies of field notes are to be included in the report.
9. ADEC is to be notified at least 48 hours prior to the work being conducted.
10. At least 2 soil samples are to be collected from each soil boring, one at the soil/water interface and the other at the highest field screening depth.
11. Potentially contaminated drill cuttings will need to be properly containerized. The soil sample results from that boring can be used in a future request for approval to treat/dispose of those soils.
|
Robert Weimer |
| 5/3/2013 |
Update or Other Action |
ADEC letter to RP requesting a revised release investigation work plan by June 1, 2013. |
Robert Weimer |
| 1/3/2014 |
Document, Report, or Work plan Review - other |
ADEC letter conditionally approves submitted Release Investigation Work Plan. The conditions include: 1. The treatment/disposal of the drill cuttings and development/purge water will be under a separate request for ADEC approval.
2. The monitoring wells are to be purged in accordance with the ADEC May 2010 Draft Field Sampling Guidance prior to sampling.
3. The field notes and the report need to demonstrate that the intake for the submersible pump used to collect the groundwater analytical samples was a close as possible to the surface of the groundwater in each monitoring well.
4. The ADEC project manager is to be notified at least 48 hours prior to work being conducted.
5. The work is to be conducted by June 15, 2014 with the results submitted in a complete report by July 15, 2014.
|
Robert Weimer |
| 1/12/2015 |
Document, Report, or Work plan Review - other |
On May 28-29, 2014 three soil borings were sampled and completed as monitoring wells (MW4a, MW5, and MW6). Up to 2,100 mg/kg DRO, 1,100 mg/kg GRO, and 6.3 mg/kg benzene in the soil samples collected. PAH, 1,2-DCA, EDB, and lead samples were below cleanup levels. Soil contamination over cleanup levels was identified from 5 feet below ground surface (bgs) to 42 feet bgs where a sallower groundwater was encountered. Damp soils were first encountered between 40 and 45 feet bgs. In the three new shallower monitoring wells the depth to groundwater was measured at 49.5 feet bgs (MW4a), 40.5 feet bgs (MW5), and 49.6 feet bgs (MW6). No groundwater samples were collected due to insufficient water, or slow recharge after purging. On July 1, 2014 MW5 had 9.3 feet of water, but had slow recharge after bailing 2 gallons of water. Need on going groundwater monitoring of the site monitoring wells, release investigation to define the extent of the soil and groundwater contamination, and corrective action for the remaining contamination. Also need work plan for the treatment of the contaminated drill cuttings generated during the installation of the three new monitoring wells. |
Robert Weimer |
| 1/13/2015 |
Update or Other Action |
ADEC January 13, 2015 letter requests that the Shoreside Petroleum submit by March 13, 2015, a release investigation work plan (including a schedule for conducting the work) to define the extent of the remaining contamination at this site. ADEC also requests that all of the site monitoring wells (MW1, MW2, MW3, MW4-if accessible, MW4a, MW5, and MW6) be sampled for BTEX, GRO, and DRO along with depth to groundwater, with a report of the results submitted by March 13, 2015. If after purging a monitoring well there is not sufficient water to collect a groundwater sample then the sampler needs to return within 24 hours, and later as necessary to sample that monitoring well once it has recharged to at least 80% of pre-purged volume.
The ADEC letter also requests that Shoreside Petroleum submit by July 1, 2015, a corrective action plan (including a schedule for conducting the work) for the contamination at this site and the drums of drill cuttings generated from the site work documented in the August 2104 Field Summary Report.
|
Robert Weimer |
| 2/18/2015 |
Offsite Soil or Groundwater Disposal Approved |
Approved 12 drums of contaminated drill cuttings for transport to and thermal treatment at ASR. The contaminated drill cutting were generated during the drilling of 3 boring in May 2014. |
Robert Weimer |
| 3/11/2015 |
Document, Report, or Work plan Review - other |
DEC review of February 25, 2015 groundwater monitoring work plan. DEC requests a more detailed work plan that includes details on how the purging and sampling be submitted to review and approval. |
Robert Weimer |
| 4/24/2015 |
Document, Report, or Work plan Review - other |
ADEC approves the March 17, 2015 Groundwater Sampling Work Plan. The plan proposes to conduct low flow sampling with an in-well pump to collect the requested groundwater samples from the shallow and deeper monitoring wells. ADEC looks forward to receiving the groundwater sampling results along with the corrective action plan requested in the DEC letter of January 13, 2015. |
Robert Weimer |
| 10/26/2015 |
Update or Other Action |
DEC request to DOT that the contractor conducting future road work for the highway upgrade submit a plan for DEC review and approval prior to commencing construction activities as they may encounter contaminated soil as part of some of the work in the area. |
Robert Weimer |
| 11/8/2016 |
Update or Other Action |
Email request to consultant and RP for an update on the site work conducted in 2015 and 2016. |
Robert Weimer |
| 11/10/2016 |
Update or Other Action |
Update from consultant that a groundwater monitoring event was conducted on October 19, 2016. The report is expected to be submitted by November 24, 2016. |
Robert Weimer |
| 12/29/2017 |
Document, Report, or Work plan Review - other |
October 22, 2016 groundwater monitoring. Up to 0.11 mg/l DRO and non-detect benzene and GRO in the 3 monitoring wells sampled. Only the deeper three monitoring wells (MW1, MW2, and MW3) were sampled. The shallower monitoring wells were purged dry and did not immediately recharge with enough water to sample. The consultant did not return to the site later to check recharge so samples could be collected. Initially monitoring well MW5 had no water, MW-4a had 1.8 feet of water, and MW-6 had 3.2 feet of water. The contamination concentrations increased in 1 of the 3 monitoring wells sampled. Groundwater flowed to the south. Depth to groundwater was 49.7 to 70.3 feet below ground surface. |
Robert Weimer |
| 12/31/2018 |
Document, Report, or Work plan Review - other |
May 4, 2017 groundwater monitoring. DRO, BTEX, and GRO were non-detect in the 3 monitoring wells sampled. Only the deeper three monitoring wells (MW1, MW2, and MW3) were sampled. The shallower monitoring wells were purged dry and did not immediately recharge with enough water to sample. The consultant did not return to the site later to check recharge so samples could be collected. Initially monitoring well MW5 had 0.35 feet of water, MW-4a had 1.2 feet of water, and MW-6 had 1.0 foot of water. The contamination concentrations increased in 0 of the 3 monitoring wells sampled. Groundwater flowed to the south. Depth to groundwater was 48.6 to 71.4 feet below ground surface. They intend to conduct another groundwater monitoring event in August 2017. |
Robert Weimer |
| 12/31/2018 |
Update or Other Action |
In January, February, and March of 2017 attempts were made to collected groundwater samples from the sites monitoring wells. The consultant was not able to sample the monitoring wells because of frozen flush mounted covers or subgrade ice obstructions. |
Robert Weimer |
| 2/21/2020 |
Document, Report, or Work plan Review - other |
DEC reviews and approves Sampling and Analysis Plan for the DOT roadwork planned for 2020 in the area of this site. Work is anticipated to be only up to 4 feet below ground surface. Any excavated soil that is potentially contaminated will be stockpiled and sampled, and excavation samples will be collected in the areas where contamination is encountered. |
Robert Weimer |
| 4/29/2020 |
Document, Report, or Work plan Review - other |
DEC reviews and approves the revised sampling and Analysis Plan for the DOT roadwork planned for 2020 in the area of this site. Additional ground disturbing utilities work (trenching and augering) is planned in association with previously 2/21/2020 approved ADOT&PF road project work. These additional utility activities include work by GCI, ACS (trenching in right-of-way and installing a new telecom vault), and CEA (install new power poles). |
Grant Lidren |
| 7/16/2020 |
Site Characterization Report Approved |
ADEC received the Groundwater Monitoring Report For Bird Creek Essential One station submitted by Tellus dated June 2020. In May 2020, DRO, BTEX, and GRO were non-detect in the the three deeper(>78 feet bgs) monitoring wells (MW1, MW2, and MW3) sampled. The three shallower (50 feet bgs) monitoring wells ( MW4a, MW-5, and MW-6) were purged dry and did not immediately recharge with enough water to sample. Groundwater flowed to the south. |
Grant Lidren |
| 7/16/2020 |
Underground Storage Tank Site Characterization or Assessment |
On this date, ADEC received the Underground Storage Tank System Closure Report For Bird Creek Essential One station submitted by Tellus dated May 2020. In August 2019, a total of 50 cubic yards of soil was excavated and stockpiled and a 12,000 gallon regulated gasoline UST was removed from the east side of the Essential One Station building. Three soil samples collected from the floor of the excavation at 12 feet bgs (where the bottom of the UST was located) and one soil sample collected at the building sidewall at 8 feet bgs did not contain contaminant concentrations above ADEC cleanup levels. Two soil samples collected from a center test pit at 16 feet bgs contained DRO up to 570 mg/kg. Three soil samples collected from the 50 cubic yard stockpile contained benzene at 0.25 mg/kg. All soil samples collected were analyzed for BTEX, GRO, and DRO. The excavation was filled with the 50 cubic yard stockpiled soil, topped with clean imported fill, and capped with pavement. |
Grant Lidren |
| 8/26/2020 |
Site Characterization Workplan Approved |
On this date, ADEC received the Essential 1 Gas Station (Former Shoreside Texaco); 29383 Seward Highway, Girdwood,Alaska; ADEC File No. 2105.26.001 Work Plan. The Work Plan was submitted by EMI and dated August 26, 2020. The three deeper wells (MW-1, MW-2, and MW-3) will be purged and sampled for DRO. The three shallower wells (MW-4a, MW5 and MW6) will be sampled by the no-purge sampling method and analyzed for DRO, GRO, and BTEX. |
Grant Lidren |
| 10/15/2020 |
Offsite Soil or Groundwater Disposal Approved |
Approved transport of 80 cubic yards of contaminated soil to Alaska Soil Recycling in Anchorage for thermal remediation. |
Janice Wiegers |
| 10/22/2020 |
Update or Other Action |
Alaska Soil Recyling in Anchorage notified ADEC that they accepted 118.85 tons of petroleum impacted soil for thermal treatment and disposal. |
Janice Wiegers |
| 12/2/2020 |
Offsite Soil or Groundwater Disposal Approved |
Approved transport of 35 gallons of purge and decon water with petroleum/diesel contamination to Shoreline Petroleum where it will be stored until picked up by NRC for transport to Viking Road facility. |
Janice Wiegers |
| 12/2/2020 |
Document, Report, or Work plan Review - other |
Groundwater monitoring report submitted for DRO sampling. |
Janice Wiegers |
| 1/14/2021 |
Document, Report, or Work plan Review - other |
Sent RP ADEC Comments on Groundwater Monitoring Report For Essential 1 Gas Station (Former Shoreside Texaco)”, dated November 2020. |
Jessica Hall |
| 4/28/2021 |
Site Characterization Report Approved |
Sent RP approval letter for “Groundwater Monitoring Report Revision 1 For Essential 1 Gas Station (Former Shoreside Texaco)”, dated February 2021. Awaiting a work plan for 2021 field work. Approved quarterly ground water monitoring to be reduced to an annual monitoring schedule. |
Jessica Hall |
| 6/18/2021 |
Document, Report, or Work plan Review - other |
Sent RP comments on Groundwater Monitoring Plan, dated June 15, 2021. Requested updated work plan with incorporated comments be submitted to ADEC for approval. |
Jessica Hall |
| 8/13/2021 |
Risk Assessment Workplan Approved |
Sent RP approval letter for Groundwater Monitoring Plan Rev. 1, dated August 9, 2021. Groundwater samples will be collected from the viable monitoring wells on site that can be located, contain enough water to sample, and do not contain free product. Previous sampling event only wells MW1 and MW2 met these three criteria. The samples will be analyzed for DRO, VOCs, and PAHs. A level loop survey to measure the relative elevations of the tops of all monitoring well casings on the site will be conducted. The purpose of the groundwater sampling is to advance the site towards Cleanup Complete with Institutional Controls. The main objective is to determine groundwater flow direction in both the upper and lower aquifers, monitor the presence of free product in the upper aquifer, and monitor the lower aquifer for contamination migrating down from the upper aquifer. Annual GW sampling expected to continue. |
Jessica Hall |
| 11/11/2021 |
Update or Other Action |
Sign and send RP Transportation Treatment and Disposal form for purge water disposal. |
Jessica Hall |
| 1/12/2022 |
Update or Other Action |
Review Notice of Intent to Reconfigure for tank #4, Compliance Tag #0462. Updated Physical address of site. |
Jessica Hall |
| 3/22/2022 |
Document, Report, or Work plan Review - other |
ADEC sent RP comments on the the “2021 Groundwater Monitoring Report”, dated January 2022. ADEC requested an updated report be submitted for review. |
Jessica Hall |
| 4/22/2022 |
Site Characterization Report Approved |
ADEC sent the RP an approval letter for “2021 Groundwater Monitoring Report”, dated April 2022 and ADEC response to comments. Request a work plan be submitted for the remaining GW wells that are exceeding ADEC cleanup levels and possibly containing free product at Well MW1 and MW2. |
Jessica Hall |
| 4/22/2022 |
Workplan Requested |
ADEC requested a work plan in the approval letter sent to the RP for “2021 Groundwater Monitoring Report”, dated April 2022 for the remaining GW wells that are exceeding ADEC cleanup levels and possibly containing free product at Well MW1 and MW2. |
Jessica Hall |
| 8/26/2022 |
Document, Report, or Work plan Review - other |
ADEC sent comments to Shoreside Petroleum, Inc. on the “Work Plan Addendum for Groundwater Monitoring”, dated August 12, 2022. ADEC requested an updated work plan be submitted.
|
Jessica Hall |
| 10/12/2022 |
Site Characterization Workplan Approved |
ADEC sent approval on the “Work Plan Addendum for Groundwater Monitoring Rev. 1”, dated October 6, 2022. |
Jessica Hall |
| 4/25/2024 |
Update or Other Action |
Requested update from RP and consultant via email. |
Dawn Wilburn |
| 5/1/2024 |
Document, Report, or Work plan Review - other |
Reviewed and sent responsible party comments for the "2022 Groundwater Monitoring Report," dated October 4, 2023. Requested a revised report be submitted. |
Dawn Wilburn |
| 6/26/2024 |
Site Characterization Report Approved |
Reviewed and approved the “2022 Groundwater Monitoring Report”, dated June 5, 2024. On November 10, 2022, monitoring well MW1(representing the deeper aquifer) was sampled. The other two deeper aquifer wells were not sampled because of frozen sediment buildup around MW2 and MW3 could not be located for the second sampling event in a row. The shallow aquifer wells, MW4-MW6, were not sampled due to an insufficient amount of water. Free product was not detected in the monitoring wells however, MW5 and MW6, had a strong petroleum odor when retrieving the probe. A drinking water sample was also collected from the outside spigot at the north corner of the building. Samples were analyzed for diesel range organics (DRO), volatile organic compounds (VOC), 1,2-dibromoethane (EDB), polycyclic aromatic hydrocarbons (PAH), total aromatic hydrocarbons (TAH), and total aqueous hydrocarbons (TAqH). The results indicated that contaminant concentrations were either non-detect or below DEC cleanup levels. A workplan was requested for future groundwater/free product monitoring and a vapor intrusion assessment. |
Dawn Wilburn |
| 8/13/2024 |
Site Characterization Workplan Approved |
Reviewed and approved the Work Plan for the Additional Groundwater Monitoring Activities dated August 5, 2024. Field activities are set to occur fall 2024. |
Dawn Wilburn |
