ARCO 0980

10822 Roosevelt Way NE Seattle, King County
Facility Site ID: 68996432 Cleanup Site ID: 10186

  • Site Status

  • Cleanup Started

More about cleanup

Site Background

The site has had numerous remedial technologies applied including AS/SVE, ELR and the current DPE system installed in 2006.  Depth to groundwater ranges from 1.7 to 22 feet below the ground surface and the groundwater flow direction is to the southeast.

​Contaminants of concern at the site include total petroleum hydrocarbons in the gasoline, diesel and heavy oil ranges. 

Next Steps

In February 2017, this site was withdrawn from the VCP at the customer's request. When a VCP Agreement is terminated, Ecology may take one or more steps including conduct a Site Hazard Assessment and/or identifying those persons found potentially liable for cleanup of the site.

Places to see print documents
Technical Reports 21
Document Title Document Date Document Type
Arco 0980 - NW2729 Second Half 2023 Semi Annual GWMR 3/8/2024 Groundwater Monitoring Report
Arco 0980 - NW2729 First Half 2023 Semi Annual GWMR 8/8/2023 Groundwater Monitoring Report
Arco 0980 - NW2729 Subsurface Investigtion Report 12/12/2022 Site Specific Technical Document - other
Arco 0980 - NW2729 Second Half 2022 Semi Annual GWMR 12/8/2022 Groundwater Monitoring Report
Arco 0980 - NW2729 Semi-Annual GWMR 2nd Half 2021 2/14/2022 Groundwater Monitoring Report
Arco 0980 - NW2729 Subsurface Investigation Report 1/14/2022 Site Specific Technical Document - other
Arco 0980 - NW2729 Semi-Annual GWMR 1st Half 2021 7/8/2021 Groundwater Monitoring Report
Arco 0980 - NW 2779 Subsurface Investigation Report 2/19/2021 Site Specific Technical Document - other
Arco 0980 - NW 2779 Semi-Annual GWMR 2nd Half 2020 2/5/2021 Groundwater Monitoring Report
Arco 0980—First Half 2020 Semi-Annual Groundwater Monitoring Report 7/6/2020 Site Specific Technical Document - other
Arco 0980—Soil Vapor Probe Installation and Sampling Report 1/7/2020 Site Specific Technical Document - other
Arco 0980—Second Half 2019 Semi-Annual Groundwater Monitoring Report 1/6/2020 Site Specific Technical Document - other
Arco 0980—Subsurface Investigation Report 11/18/2019 Site Specific Technical Document - other
Arco 0980—First Half 2019 Semi-Annual Groundwater Monitoring Report 8/21/2019 Site Specific Administrative Document - other (Administrative correspondence)
Arco 0980—Second Half 2018 Semi-Annual Groundwater Monitoring Report 1/31/2019 Site Specific Technical Document - other
Arco 0980 - NW2729 VCP Semmi-Annual Groundwater Monitoring Report Fist Half 2018 11/24/2018 Groundwater Monitoring Report
BP Technical Assistance Agreement (TAAG) - 2016 Notice of Termination 7/20/2016 Site Specific Administrative Document - other (Administrative correspondence)
Fourth Quarter 2015 Groundwater Monitoring Report 2/10/2016 Groundwater Monitoring Report
Groundwater Monitoring Report 1st Quarter 2015 5/13/2015 Groundwater Monitoring Report
ARCO 0980 - Strategic Plan 6/19/2013 Site Specific Technical Document - other
ARCO 0980 - Groundwater Monitoring Report 1st Quarter 2013 5/15/2013 Groundwater Monitoring Report
Voluntary Cleanup Program 3
Document Title Document Date Document Type
Arco 0980 - NW2729 VCP Termination Letter 2/13/2017 VCP Administrative Document
ARCO 0980 - Opinion Letter 7/7/2014 Voluntary Cleanup Program Opinion – Other
ARCO 0980 - Request for Opinion, Monitoring Well Sampling and Analysis Reduction 4/3/2014 VCP Administrative Document
There may be more documents related to this site. To obtain documents not available electronically, you will need to make a public records request.

Places to see print documents

  • Northwest Regional Office
    15700 Dayton Ave N
    Shoreline, 98133
    Please schedule an appointment to view print documents at this location.

Contaminants 8

Contaminant Type
Soil
Groundwater
Surface Water
Air
Sediment
Bedrock
Non-Halogenated Organics - Non-Halogenated Solvents C C
Non-Halogenated Organics - Methyl tertiary-butyl ether C C
Metals - Lead C C
Non-Halogenated Organics - Benzene C C
Non-Halogenated Organics - Other Non-Halogenated Organics C
Non-Halogenated Organics - Petroleum-Diesel C C
Non-Halogenated Organics - Petroleum-Gasoline C C
Non-Halogenated Organics - Petroleum-Other C C
S
Suspected
C
Confirmed Above Cleanup Levels
B
Below Cleanup Levels
RA
Remediated-Above
RB
Remediated-Below
R
Remediated
This contaminant list was based on our best information at the time it was entered. It may not reflect current conditions at the site.