Site Report: Norcon Inc. King Street and 100th Avenue

Site Name:	Norcon Inc. King Street and 100th Avenue
Address:	10300 King Street , Anchorage, AK 99515
File Number:	2100.38.463
Hazard ID:	4162
Status:	Cleanup Complete - Institutional Controls
Staff:	IC Unit, 9074655229 dec.icunit@alaska.gov
Latitude:	61.129801
Longitude:	-149.881241
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.

Site Chronology
IC / Closure Details
Documents
Associated Sites

Problems/Comments

The site is a 40 acre parcel of land located at the southwest corner of 100th and King Street. Contamination concentrations detected in one petroleum stained area in the southeast corner which is Lot 10 of the property during an investigation in April 2005 was as follows: gasoline range organics up to 15,300 mg/kg residual range organics up to 119,000 mg/kg Concentrations in groundwater detected in one monitoring well placed in the northwest corner Lot 1 of the property during an April and June 2005 sampling events showed up to: diesel range organics up to 2.86 mg/L.

Action Information

Action Date	Action	Description	DEC Staff
11/22/2005	GIS Position Updated	Location data was gathered using a high resolution aerial photo from TopzonePro.	Sarah Cunningham
11/22/2005	Site Added to Database	Site added to the database.	Sarah Cunningham
11/23/2005	Update or Other Action	File number issued 2100.38.463.	Aggie Blandford
11/23/2005	Site Characterization Workplan Approved	DEC approved Shannon & Wilson's Shannon & Wilson’s “Work Plan for Additional Site Characterization Activities East 100th Ave. and King Street” dated 11/21/05 that was received at DEC on 11/22 via email. The plan proposed installing two monitoring wells on each side of existing MW-1. DEC's letter also noted that it had reviewed S&W's “Limited Phase II Environmental Site Assessment East 100th Ave. & King Street” dated July 2005 and “Groundwater Sampling, East 100th Ave. and King Street” dated Spetember 22, 2005 reports. The two reports were received at DEC on November 18, 2005. The “Limited….” report described soil and groundwater contamination detected during limited field work at the site. The September report followed up previous work in April and June 2005 (as reported in the July report) and recommended approval to install further monitoring wells in the area of MW-1. the July report noted that in April 2005 S&W installed four borings and completed two of those as monitoring wells, and sampled the soil surface in one area in the southeast corner of the property where petroleum staining was observed. Laboratory data of those sampling events showed that gasoline range organics (GRO) (at 15,300 mg/kg; Method 2 cleanup level is 300 mg/kg), residual range organics (RRO)(at 119,000 mg/kg; Method 2 cleanup level is 10,000 mg/kg), arsenic (at 4.52 mg/kg; Method 2 cleanup level is 2.0 mg/kg) and chromium (at 33.7 mg/kg; Method 2 cleanup level is 26 mg/kg) were all detected above 18 AAC 75.341 cleanup levels in the surface soil sample. In addition, groundwater samples from MW-1 showed DRO at 2.24 mg/L during the April sampling event and a subsequent sample collected later in June at 2.86 mg/L, which are above its 18 AAC 75.345 Table C cleanup level of 1.5 mg/L. The S&W report noted that the levels of arsenic and total chromium detected were within background levels found in Anchorage, and the Department agrees with that conclusion. The S&W report further noted that Mr. Stephen Ede of SGS Laboratories in Anchorage indicated that the signature of the DRO from MW-1 was from a plastic material and not from a refined fuel.	Rich Sundet
8/24/2006	Update or Other Action	CS notified Norcon on 8/22/06 that it had not yet received a report for the characterization work that was performed by Shannon & Wilson in fall 2005. During that work, which plan was approved by DEC on 11/23/05, two monitoring wells were proposed and soil and groundwater samples were to be collected. According to S&W, the field work was completed in fall 2005. DEC requested that the report along with a CSM be provided to it by 9/15/06.	Rich Sundet
11/15/2006	Update or Other Action	On 11/15/06, CS responded to Shannon & Wilson's report dated 3/6/06 that was received from S&W on 9/21/06. The report was in response to their work performe in fall 2005 that insalled two additional monitor wells on site, MWs 5 & 6. The report noted that DRO was detected at 3.16 mg/L DRO in MW-1 and that soil and groundwater detected from MW 5 & 6 were below applicable clenaup levels. The report suggested that a NFRAP could be issued. CS's 11/15 letter noted that it could not issue a conditional closure letter at this time until a checklist for the report, CSM, information on contamination detected earlier in the southeast portion of the porperty, and information on the future use of the property is provided. DEC requested this information by December 28, 2006.	Rich Sundet
12/21/2006	Update or Other Action	On 12/21/06, issued a letter to Norcon in which CS conditionally approved Golder Associates workplan to install four borings to further characterize the contamination identified in the southeast portion of the property and sample for soil and groundwater. The plan also specified to sample the four existing monitoring wells in the northern portion of the property that were previously installed by Shannon & Wilson. The plan was submitted by Golder via email on 12/20/06 and was on behalf of a prospective purchaser of the property.	Rich Sundet
4/11/2007	Update or Other Action	On 4/11/06, Norcon sold the property to Target per Anchorage Daily News article in its 5/23/07 newspaper. The article noted that the Norcon subsidiary is owned by Veco.	Rich Sundet
11/5/2007	Update or Other Action	On 11/5/07, DEC approved Golder's "Phase III Work-Sampling and Analysis Plan Addendum Norcon Property, Anchorage SW, 100th Avenue and C Street Anchorage, Alaska” dated 11/1/2007. The plan proposed to sample four test pits in the southeast corner of the property and sample up to 4 of the existing monitor wells along the northern portion of the property. DRO has been detected in MW-1 up to 4.00 mg/L (in a Phase II report), and in soil in the SE property corner by S&W up to 15,300 mg/kg DRO and 119,000 mg/kg RRO (in sample SS1). DEC's letter also noted that it had received a Phase I report on the site dated 12/19/06) on 10/22/07 and a Phase II report (dated 3/15/07) on 10/22/07, which had been requested to be provided to DEC by 3/15/07. While DEC noted that it had not time to adequately review either the Phase I or II reports, its letter noted that in the Phase II report that DEC can calculate cleanup levels for trichlorofluoromethane detected, no completed laboratory checklist was provided in the Phase II report, and it appears in the Phase I report that there may be drums along the western property line that Golder may warrant further investigation/sampling. DEC requested that Target provide the Phase III report by 12/31/07.	Rich Sundet
3/6/2008	Update or Other Action	On 3/6/08, DEC conditionally approved of Golder's dated 3/3/08 workplan that was included in its "Response to ADEC Comment Letter and Site Update Phase III Work - Former Norcon Property Anchorage SW, 100th Aveenue and C Street Anchorage Alaska." DEC received the report on 3/4/08. DEC also commented upon the Phase III report and the completed laboratory checklist for Golder's Phase II report that it had not provided in that Phase II report that was submtited earlier to DEC. Proposed work in the subject plan was to begin on 3/6/08 that included sampling the existing monitor wells and complete up to 10 borings in the area near the former gasoline tank near sampling location TP-06. Samples from soil would be analyzed for GRO, DRO, RRO and BTEX, and for groundwater for DRO, RRO and BTEX.	Rich Sundet
6/6/2008	Update or Other Action	On 6/6/08, Sundet at the request of Jan Dieck of Golder Associates inspected the site. Present at the inspection were Diecks, Jay Parks with Target, and Wayne Anderson and Chuck York of Neeser Construction the general contractor for the site. During the inspection, Chuck described the construciton activities focusing both on the removal of the topsoil both to be moved on site and off site, protection of the on property wetaland, and dewatering of the site. Jan noted that his office would be coordinating with Alan Kukla of WQP for the dewatering process and work with Earl Crapps of CSP on the silica gel issue for both soil and groundwater samples collected at the site. Jan suspected that the high organic layer at the site has created interference issues that has resulted in elevated DRO levels in soil and groundwater.	Rich Sundet
1/22/2013	Update or Other Action	In a letter to Ryan Zick of Target dated 1/22/13, DEC noted that it was following up to its 3/6/2008 letter to him regarding the contamination at the subject site. The environmental work had been done at the site in preparation to a new Target store. The March letter provided comments regarding Target's consultant Golder Associates Inc. (Golder) document “Response to ADEC Comment Letter and Site Update Phase III Work” dated March 3, 2008. The document consisted of a summary of Phase III work activities, a response to our November 5, 2007 letter, and a brief work plan for proposed work. DEC's January 22nd letter noted that at this time, DEC has not received the final report for this work and needed it to review prior to consideration to close the site. DEC requested that Target provide the subject final report to DEC by February 15, 2013.	Rich Sundet
11/26/2013	Update or Other Action	Based on the analytical results of soil samples collected during the various field activities, ADEC will require no further action on the Southeast Corner of the Former Norcon and Target property. The legal description for the SE corner Frag Lots described as: Frag Lots 8,9,10,13,14, & 15 according to the Plat of Commercial Tract Fragment Lot Site Plan for Anchorage Village Subdivision Tract A, filed under Plat No. 2008-95, located within Tract A, Anchorage Village Subdivision, according to the official plat thereof, filed under Plat No. 2008-94 , Records of the Anchorage Recording District, Third Judicial District, State of Alaska Should contaminated soil or water be encountered at the site in the future, appropriate site assessment and cleanup may be required in accordance with applicable State regulations.	Katrina Chambon
4/9/2014	Cleanup Complete Determination Issued	The Alaska Department of Environmental Conservation (ADEC), Contaminated Sites Program has completed a review of the environmental records associated with Norcon Inc. King Street and 100th Ave. located at 10300 King Street, Anchorage, Alaska. Based on the information provided to date, it has been determined that the contaminant concentrations remaining on site do not pose an unacceptable risk to human health or the environment and no further remedial action will be required as long as the site is in compliance with established institutional controls.	Katrina Chambon
4/9/2014	Institutional Control Record Established	Institutional Controls established and entered into the database.	Katrina Chambon
5/23/2019	Institutional Control Compliance Review	IC Compliance details were emailed from the current landowner confirming that property use has not changed since the 2014 site closure. A letter from DEC was not issued at this time. The next IC compliance review will happen in five years.	Evonne Reese
5/14/2024	Institutional Control Compliance Review	IC Compliance details were emailed from the current landowner confirming that property use has not changed since the 2014 site closure. A letter from DEC was not issued at this time. The next IC compliance review will happen in five years.	Evonne Reese
6/3/2024	Institutional Control Compliance Review	IC compliance review completed on this date. An IC reminder letter was issued to the landowner. The next review will be in five years’ time.	Gaige Robinson

Action Date

Action

Description

DEC Staff

11/22/2005

GIS Position Updated

Location data was gathered using a high resolution aerial photo from TopzonePro.

Sarah Cunningham

11/22/2005

Site Added to Database

Site added to the database.

Sarah Cunningham

11/23/2005

Update or Other Action

File number issued 2100.38.463.

Aggie Blandford

11/23/2005

Site Characterization Workplan Approved

DEC approved Shannon & Wilson's Shannon & Wilson’s “Work Plan for Additional Site Characterization Activities East 100th Ave. and King Street” dated 11/21/05 that was received at DEC on 11/22 via email. The plan proposed installing two monitoring wells on each side of existing MW-1. DEC's letter also noted that it had reviewed S&W's “Limited Phase II Environmental Site Assessment East 100th Ave. & King Street” dated July 2005 and “Groundwater Sampling, East 100th Ave. and King Street” dated Spetember 22, 2005 reports. The two reports were received at DEC on November 18, 2005. The “Limited….” report described soil and groundwater contamination detected during limited field work at the site. The September report followed up previous work in April and June 2005 (as reported in the July report) and recommended approval to install further monitoring wells in the area of MW-1. the July report noted that in April 2005 S&W installed four borings and completed two of those as monitoring wells, and sampled the soil surface in one area in the southeast corner of the property where petroleum staining was observed. Laboratory data of those sampling events showed that gasoline range organics (GRO) (at 15,300 mg/kg; Method 2 cleanup level is 300 mg/kg), residual range organics (RRO)(at 119,000 mg/kg; Method 2 cleanup level is 10,000 mg/kg), arsenic (at 4.52 mg/kg; Method 2 cleanup level is 2.0 mg/kg) and chromium (at 33.7 mg/kg; Method 2 cleanup level is 26 mg/kg) were all detected above 18 AAC 75.341 cleanup levels in the surface soil sample. In addition, groundwater samples from MW-1 showed DRO at 2.24 mg/L during the April sampling event and a subsequent sample collected later in June at 2.86 mg/L, which are above its 18 AAC 75.345 Table C cleanup level of 1.5 mg/L. The S&W report noted that the levels of arsenic and total chromium detected were within background levels found in Anchorage, and the Department agrees with that conclusion. The S&W report further noted that Mr. Stephen Ede of SGS Laboratories in Anchorage indicated that the signature of the DRO from MW-1 was from a plastic material and not from a refined fuel.

Rich Sundet

8/24/2006

Update or Other Action

CS notified Norcon on 8/22/06 that it had not yet received a report for the characterization work that was performed by Shannon & Wilson in fall 2005. During that work, which plan was approved by DEC on 11/23/05, two monitoring wells were proposed and soil and groundwater samples were to be collected. According to S&W, the field work was completed in fall 2005. DEC requested that the report along with a CSM be provided to it by 9/15/06.

Rich Sundet

11/15/2006

Update or Other Action

On 11/15/06, CS responded to Shannon & Wilson's report dated 3/6/06 that was received from S&W on 9/21/06. The report was in response to their work performe in fall 2005 that insalled two additional monitor wells on site, MWs 5 & 6. The report noted that DRO was detected at 3.16 mg/L DRO in MW-1 and that soil and groundwater detected from MW 5 & 6 were below applicable clenaup levels. The report suggested that a NFRAP could be issued. CS's 11/15 letter noted that it could not issue a conditional closure letter at this time until a checklist for the report, CSM, information on contamination detected earlier in the southeast portion of the porperty, and information on the future use of the property is provided. DEC requested this information by December 28, 2006.

Rich Sundet

12/21/2006

Update or Other Action

On 12/21/06, issued a letter to Norcon in which CS conditionally approved Golder Associates workplan to install four borings to further characterize the contamination identified in the southeast portion of the property and sample for soil and groundwater. The plan also specified to sample the four existing monitoring wells in the northern portion of the property that were previously installed by Shannon & Wilson. The plan was submitted by Golder via email on 12/20/06 and was on behalf of a prospective purchaser of the property.

Rich Sundet

4/11/2007

Update or Other Action

On 4/11/06, Norcon sold the property to Target per Anchorage Daily News article in its 5/23/07 newspaper. The article noted that the Norcon subsidiary is owned by Veco.

Rich Sundet

11/5/2007

Update or Other Action

On 11/5/07, DEC approved Golder's "Phase III Work-Sampling and Analysis Plan Addendum Norcon Property, Anchorage SW, 100th Avenue and C Street Anchorage, Alaska” dated 11/1/2007. The plan proposed to sample four test pits in the southeast corner of the property and sample up to 4 of the existing monitor wells along the northern portion of the property. DRO has been detected in MW-1 up to 4.00 mg/L (in a Phase II report), and in soil in the SE property corner by S&W up to 15,300 mg/kg DRO and 119,000 mg/kg RRO (in sample SS1). DEC's letter also noted that it had received a Phase I report on the site dated 12/19/06) on 10/22/07 and a Phase II report (dated 3/15/07) on 10/22/07, which had been requested to be provided to DEC by 3/15/07. While DEC noted that it had not time to adequately review either the Phase I or II reports, its letter noted that in the Phase II report that DEC can calculate cleanup levels for trichlorofluoromethane detected, no completed laboratory checklist was provided in the Phase II report, and it appears in the Phase I report that there may be drums along the western property line that Golder may warrant further investigation/sampling. DEC requested that Target provide the Phase III report by 12/31/07.

Rich Sundet

3/6/2008

Update or Other Action

On 3/6/08, DEC conditionally approved of Golder's dated 3/3/08 workplan that was included in its "Response to ADEC Comment Letter and Site Update Phase III Work - Former Norcon Property Anchorage SW, 100th Aveenue and C Street Anchorage Alaska." DEC received the report on 3/4/08. DEC also commented upon the Phase III report and the completed laboratory checklist for Golder's Phase II report that it had not provided in that Phase II report that was submtited earlier to DEC. Proposed work in the subject plan was to begin on 3/6/08 that included sampling the existing monitor wells and complete up to 10 borings in the area near the former gasoline tank near sampling location TP-06. Samples from soil would be analyzed for GRO, DRO, RRO and BTEX, and for groundwater for DRO, RRO and BTEX.

Rich Sundet

6/6/2008

Update or Other Action

On 6/6/08, Sundet at the request of Jan Dieck of Golder Associates inspected the site. Present at the inspection were Diecks, Jay Parks with Target, and Wayne Anderson and Chuck York of Neeser Construction the general contractor for the site. During the inspection, Chuck described the construciton activities focusing both on the removal of the topsoil both to be moved on site and off site, protection of the on property wetaland, and dewatering of the site. Jan noted that his office would be coordinating with Alan Kukla of WQP for the dewatering process and work with Earl Crapps of CSP on the silica gel issue for both soil and groundwater samples collected at the site. Jan suspected that the high organic layer at the site has created interference issues that has resulted in elevated DRO levels in soil and groundwater.

Rich Sundet

1/22/2013

Update or Other Action

In a letter to Ryan Zick of Target dated 1/22/13, DEC noted that it was following up to its 3/6/2008 letter to him regarding the contamination at the subject site. The environmental work had been done at the site in preparation to a new Target store. The March letter provided comments regarding Target's consultant Golder Associates Inc. (Golder) document “Response to ADEC Comment Letter and Site Update Phase III Work” dated March 3, 2008. The document consisted of a summary of Phase III work activities, a response to our November 5, 2007 letter, and a brief work plan for proposed work. DEC's January 22nd letter noted that at this time, DEC has not received the final report for this work and needed it to review prior to consideration to close the site. DEC requested that Target provide the subject final report to DEC by February 15, 2013.

Rich Sundet

11/26/2013

Update or Other Action

Based on the analytical results of soil samples collected during the various field activities, ADEC will require no further action on the Southeast Corner of the Former Norcon and Target property. The legal description for the SE corner Frag Lots described as: Frag Lots 8,9,10,13,14, & 15 according to the Plat of Commercial Tract Fragment Lot Site Plan for Anchorage Village Subdivision Tract A, filed under Plat No. 2008-95, located within Tract A, Anchorage Village Subdivision, according to the official plat thereof, filed under Plat No. 2008-94 , Records of the Anchorage Recording District, Third Judicial District, State of Alaska Should contaminated soil or water be encountered at the site in the future, appropriate site assessment and cleanup may be required in accordance with applicable State regulations.

Katrina Chambon

4/9/2014

Cleanup Complete Determination Issued

The Alaska Department of Environmental Conservation (ADEC), Contaminated Sites Program has completed a review of the environmental records associated with Norcon Inc. King Street and 100th Ave. located at 10300 King Street, Anchorage, Alaska. Based on the information provided to date, it has been determined that the contaminant concentrations remaining on site do not pose an unacceptable risk to human health or the environment and no further remedial action will be required as long as the site is in compliance with established institutional controls.

Katrina Chambon

4/9/2014

Institutional Control Record Established

Institutional Controls established and entered into the database.

Katrina Chambon

5/23/2019

Institutional Control Compliance Review

IC Compliance details were emailed from the current landowner confirming that property use has not changed since the 2014 site closure. A letter from DEC was not issued at this time. The next IC compliance review will happen in five years.

Evonne Reese

5/14/2024

Institutional Control Compliance Review

Evonne Reese

6/3/2024

Institutional Control Compliance Review

IC compliance review completed on this date. An IC reminder letter was issued to the landowner. The next review will be in five years’ time.

Gaige Robinson

Contaminant Information

Name	Level Description	Media	Comments
DRO	> Table C	Groundwater	DRO is present up to 4.51 mg/L
DRO	Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation	Soil	DRO is present of to 614 mg/kg

Name

Level Description

Media

Comments

DRO

> Table C

Groundwater

DRO is present up to 4.51 mg/L

DRO

Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation

Soil

DRO is present of to 614 mg/kg

Control Type

Type	Details
Notice of Environmental Contamination
Other	Installation of drinking water wells will require prior approval from ADEC
Other	Any future change in land use may impact the exposure assumptions cited in this document. If land use and/or ownership changes, current ICs may not be protective and ADEC may require additional remediation and/or ICs. Therefore the owner/operator shall report to ADEC every five years to document land use, or report any changes in land use as soon as the owner/operator becomes aware of any change in land ownership and/or use, if earlier. The report can be sent to the local ADEC office or electronically to DEC.ICUnit@alaska.gov.

Type

Details

Notice of Environmental Contamination

Other

Installation of drinking water wells will require prior approval from ADEC

Other

Any future change in land use may impact the exposure assumptions cited in this document. If land use and/or ownership changes, current ICs may not be protective and ADEC may require additional remediation and/or ICs. Therefore the owner/operator shall report to ADEC every five years to document land use, or report any changes in land use as soon as the owner/operator becomes aware of any change in land ownership and/or use, if earlier. The report can be sent to the local ADEC office or electronically to DEC.ICUnit@alaska.gov.

Requirements

Description	Details
Advance approval required to transport soil or groundwater off-site.

Description

Details

Advance approval required to transport soil or groundwater off-site.

Institutional Controls Reminder Letter - June 2024 (419 KB)

Signed agreement page (45 KB)

Recorded deed notice (678 KB)

ROD (3 MB)

No associated sites were found.

Missing Location Data

Because the GIS location data for this site has not been entered, we cannot direct you to its position on the map. Click "Continue" to proceed to the Contaminated Sites Web Map or "Close" to return to the site report.

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Site Report: Norcon Inc. King Street and 100th Avenue

Site Chronology

IC / Closure Details

Documents

Associated Sites

Problems/Comments

Action Information

Contaminant Information

Control Type

Requirements

Institutional Controls Reminder Letter - June 2024 (419 KB)

Signed agreement page (45 KB)

Recorded deed notice (678 KB)

ROD (3 MB)

Missing Location Data

State of Alaska Department of Environmental Conservation