|
Hylebos Marsh Interim Action Plan (TWAAFA)
|
3/23/2026 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way & Alexander Ave Fill Area - Public Comment Review Draft, Hylebos Marsh Interim Action Plan, part 1 of 2, text, figures, and tables
|
2/26/2026 |
Interim Action Plans and Reports |
|
Taylor Way & Alexander Ave Fill Area - Public Comment Review Draft, Hylebos Marsh Interim Action Plan, part 2 of 2, appendices
|
2/26/2026 |
Interim Action Plans and Reports |
|
Taylor Way and Alexander Avenue Fill Area (TWAAFA) Comments on Hylebos Marsh Interim Action Plan
|
10/1/2025 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
SHARP
|
7/24/2025 |
Site Hazard Assessment and Ranking Process Report |
|
Taylor Way & Alexander Ave Fill Area - Port of Tacoma Parcel 117, Taylor Way and Alexander Ave Snail Eradication Project, Critical Areas Study and Mitigation Plan
|
7/1/2025 |
Site Specific Technical Document - Other |
|
TWAAFA - Updated Contacts for Occidental Chemical Corp.
|
1/21/2025 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Hylebos Marsh: Subsurface Investigation
|
10/31/2024 |
Site Specific Technical Document - Other |
|
TWAAFA - Vapor Intrusion Data Gaps Report
|
10/30/2024 |
Site Specific Technical Document - Other |
|
Taylor Way and Alexander Avenue Fill Area (TWAAFA) Approval of Revised Former Potter Property Vapor Intrusion Data Gaps Work Plan
|
6/10/2024 |
Site Specific Technical Document - Other |
|
Taylor Way and Alexander Avenue Fill Area (TWAAFA) Approval of Revised Hylebos Marsh Subsurface Investigation Work Plan
|
6/5/2024 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Vapor Intrusion Data Gaps Work Plan, Former Potter Property
|
6/5/2024 |
Remedial Investigation Work Plan |
|
TWAAFA - Hylebos Marsh: Subsurface Investigation Work Plan
|
5/31/2024 |
Remedial Investigation Work Plan |
|
Taylor Way and Alexander Avenue Fill Area (TWAAFA) Comments on Former Potter Property Vapor Intrusion Data Gaps Work Plan
|
5/16/2024 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way and Alexander Avenue Fill Area (TWAAFA) Comments on Hylebos Marsh Subsurface Investigation Work Plan
|
5/16/2024 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - December 2023 - January 2024 Groundwater Data Analysis Report
|
4/8/2024 |
Monitoring Report |
|
Taylor Way and Alexander Avenue Fill Area (TWAAFA) Response to February 16, 2024 letter
|
4/3/2024 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Ecology January 4, 2024 letter regarding "Comments on investigation reports and requirement for work plan" - Response to Comments
|
2/16/2024 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way and Alexander Avenue Fill Area (TWAAFA) Comments on Investigation Reports
|
1/4/2024 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Approval of Per- and Polyfluoroalkyl Substances (PFAS) Sampling and Analysis Plan
|
12/27/2023 |
Sampling and Analysis Plan |
|
TWAAFA - PFAS Sampling and Analysis Plan and Quality Assurance Project Plan
|
12/15/2023 |
Site Specific Technical Document - Other |
|
TWAAFA - Additional recommendations for 4th Qtr Groundwater Sampling
|
12/4/2023 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way & Alexander Ave Fill Area - Response to Comments - Ecology September 6, 2023 letter.
|
10/23/2023 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Comments on 4th quarter groundwater report and requirement for additional groundwater sampling
|
9/6/2023 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Tier II Vapor Intrusion Assessment Report, Former Potter Property, 1801 E Alexander Avenue
|
8/23/2023 |
Site Specific Technical Document - Other |
|
TWAAFA - Supplemental Subsurface Investigation, Potter Property
|
8/18/2023 |
Site Specific Technical Document - Other |
|
TWAAFA - Supplemental investigation, Port Parcel 110
|
8/18/2023 |
Site Specific Technical Document - Other |
|
Taylor Way & Alexander Ave Fill Area - TWAAFA Burlington Environmental Stabilization Building Vapor Sampling Memorandum
|
7/26/2023 |
Site Specific Technical Document - Other |
|
TWAAFA - Preliminary Air and Vapor Results and Next Steps, 1801 Alexander Avenue, Tacoma, WA
|
7/1/2023 |
Site Specific Technical Document - Other |
|
TWAAFA - Approval of Supplemental Work Pan, Port Parcel 110 and Potter
|
3/13/2023 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Fourth Quarter 2022 Groundwater Data Analysis Report
|
3/9/2023 |
Monitoring Report |
|
TWAAFA - Ecology January 26, 2023 regarding "Comments on Data Gaps Data Report" - Response to Comments
|
2/27/2023 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Supplemental Investigation Work Plan, Port Parcel 110 and Potter Property
|
2/21/2023 |
Remedial Investigation Work Plan |
|
TWAAFA - Comments on Port Parcel 110 & Potter Property Work Plan
|
2/6/2023 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Comments on Data Gaps Data Report
|
1/26/2023 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Comments on Indoor Air Sampling & Analysis Plan
|
1/23/2023 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Indoor Air Sampling and Analysis Plan, Former Potter Property
|
1/12/2023 |
Remedial Investigation Work Plan |
|
TWAAFA - Indoor Air Sampling & Analysis Plan
|
12/19/2022 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - 1st & 2nd Qtr Groundwater Reports - Comments
|
11/28/2022 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Third Quarter 2022 Groundwater Data Analysis Report
|
11/23/2022 |
Monitoring Report |
|
TWAAFA - Revised Approval for Groundwater Monitoring
|
11/16/2022 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Data Gaps Data Report
|
11/14/2022 |
Remedial Investigation Report |
|
Ecology October 13, 2022 email regarding "Comments on TWAAFA reports and request for work plan."
|
11/3/2022 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way & Alexander Ave Fill Area - Second Quarter 2022 Groundwater Data Analysis Report
|
8/10/2022 |
Monitoring Report |
|
Taylor Way and Alexander Avenue Fill Area - First Quarter 2022 Groundwater Data Analysis Report
|
5/6/2022 |
Monitoring Report |
|
TWAAFA - Revised Groundwater Monitoring Plan
|
4/7/2022 |
Remedial Investigation Work Plan |
|
TWAAFA - Revised VI Status Conditional Approval
|
3/8/2022 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Revised TWAAFA Data Gap Investigation Progress Summary and Soil Vapor Intrusion Status and Recommendations
|
12/3/2021 |
Site Specific Technical Document - Other |
|
Ecology Comments on the Revised Data Gap Investigation Progress Summary and Soil Vapor Intrusion Status and Recommendations Memorandum
|
11/3/2021 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way & Alexander Ave Fill Area - Groundwater Monitoring Network Evaluation Comments
|
11/2/2021 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Revised Deep Well Summary Approach on Burlington, CleanCare, and Parcel A.
|
10/11/2021 |
Site Specific Technical Document - Other |
|
Revised TWAAFA Data Gap Investigation Progress Summary and Soil Vapor Intrusion Status and Recommendations
|
9/24/2021 |
Site Specific Technical Document - Other |
|
TWAAFA Existing Groundwater Monitoring Network Evaluation and Recommendations Addendum
|
9/16/2021 |
Site Specific Technical Document - Other |
|
Taylor Way & Alexander Ave Fill Area - Status Vapor Intrusion Recommendations
|
8/25/2021 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Re: Updated Initial Application for Prospective Purchaser Consent Decree for CleanCare Property
|
8/20/2021 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA Data Gap Investigation Progress Summary and Soil Vapor Intrusion Status and Recommendations
|
7/2/2021 |
Site Specific Technical Document - Other |
|
Taylor Way & Alexander Fill Area - Informal Dispute Decision
|
6/4/2021 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Comments on the Aboveground Site Conditions Memorandum and Existing Groundwater Monitoring Network Evaluation and Recommendations Memorandum
|
5/5/2021 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way & Alexander Avenue Fill Area, Request for Informal Dispute Decision to be Prepared by Ecology
|
4/29/2021 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way & Alexander Avenue Fill Area Informal Dispute Notice Regarding Certain Invoiced Ecology Past Costs
|
4/9/2021 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way & Alexander Fill Area - Ecology Past Cost Invoice 3/5/2021
|
3/5/2021 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA Aboveground Site Conditions Memorandum
|
3/5/2021 |
Site Specific Technical Document - Other |
|
TWAAFA Existing Groundwater Monitoring Network Evaluation and Recommendations Memorandum
|
3/5/2021 |
Site Specific Technical Document - Other |
|
Taylor Way & Alexander Fill Area - Prospective Purchaser Consent Decree fir CleanCare Property
|
2/23/2021 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way & Alexander Fill Area - Enforcement Order No. DE 19410—Public Comment Period Submittal of Port Comments
|
2/4/2021 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way & Alexander Avenue Fill Area - Response to October 6, 2020, Notice of Planned Issuance of Enforcement Order
|
10/19/2020 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Response to July 30, 2020, Letter and Notice of Planned Issuance of Enforcement Order
|
10/6/2020 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way and Alexander Avenue Fill Area - Comments on Revised Environmental Covenant
|
9/15/2020 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Approval of Interim Action Completion Report and List of Remaining Deliverables
|
8/19/2020 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Letter to Ecology re Burlington-CES signature
|
8/3/2020 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way & Alexander Ave Fill Area - Port of Tacoma Response to Proposed Agreed Order
|
7/31/2020 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Final Data Gaps Work Plan, Taylor Way and Alexander Avenue Fill Area Site
|
7/20/2020 |
Remedial Investigation Work Plan |
|
Appendix A - Boring, Well, and Test Pit Logs - TWAAFA Data Gaps Work Plan
|
7/20/2020 |
Remedial Investigation Work Plan |
|
Appendices B-G - TWAAFA Data Gaps Work Plan
|
7/20/2020 |
Remedial Investigation Work Plan |
|
Appendices H-M - TWAAFA Data Gaps Work Plan
|
7/20/2020 |
Remedial Investigation Work Plan |
|
Taylor Way & Alexander Ave Fill Area - Groundwater Monitoring Well Replacement
|
7/8/2020 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way & Alexander Ave Fill Area - Agreed Order Signature Page or Confirmation Deadline Extension
|
6/19/2020 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Taylor Way & Alexander Ave Fill Area - Comments on the Final Data Gaps Work Plan Dated June 2020
|
6/19/2020 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Interim Action Completion Report
|
6/5/2020 |
Interim Action Plans and Reports |
|
Taylor Way & Alexander Ave Fill Area - Comments on Environmental Covenant
|
5/28/2020 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Ecology Response to Port of Tacoma Re: Ave 55 VI
|
5/11/2020 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA - Ecology Comments on Post-Construction Vapor Intrusion Assessment
|
4/16/2020 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
2019 Annual Progress Report, Stericycle Environmental Solutions, Tacoma Facility
|
4/15/2020 |
Monitoring Report |
|
Burlington Environmental LLC Tacoma - Annual Progress Report 2019
|
4/15/2020 |
Site Specific Technical Document - Other |
|
New Office Building Construction - Air Sampling, Stericycle Tacoma Facility
|
4/10/2020 |
Site Specific Technical Document - Other |
|
TWAAFA - Ecology Response to DOF
|
4/6/2020 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Data Gaps Work Plan, Response to Comments
|
3/20/2020 |
Site Specific Technical Document - Other |
|
Supplemental Post-Construction Vapor Intrusion Assessment, 1514 Taylor Way Development, Tacoma, Washington
|
3/10/2020 |
Site Specific Technical Document - Other |
|
Ecology Comments on the Revised Data Gaps Work Plan
|
1/8/2020 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Sampling Plan Addendum for Post-Construction Vapor Intrusion Assessment, 1514 Taylor Way Development, Tacoma, WA
|
1/7/2020 |
Site Specific Technical Document - Other |
|
Ecology Comments on Summary of Sub-Slab Soil Vapor Assessment, Response to Submittal of Draft Environmental Covenant, and List of Remaining Deliverables
|
11/14/2019 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Notification of Project Coordinator Designation
|
9/25/2019 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
New Office Building Construction - Crawlspace Air Sampling, Stericycle Tacoma Facility
|
8/19/2019 |
Site Specific Technical Document - Other |
|
Interim Action Cleanup Report_2019
|
5/1/2019 |
Interim Action Plans and Reports |
|
Stericycle Tacoma 2018 Annual Progress Report
|
4/16/2019 |
Site Specific Technical Document - Other |
|
Annual Progress Report - 2018
|
4/16/2019 |
Monitoring Report |
|
Data Gaps Work Plan Appendix A
|
1/29/2019 |
Remedial Investigation Work Plan |
|
Data Gaps Work Plan Appendix B
|
1/29/2019 |
Remedial Investigation Work Plan |
|
Data Gaps Work Plan Appendix H-L
|
1/29/2019 |
Remedial Investigation Work Plan |
|
Revised Data Gaps Work Plan
|
1/29/2019 |
Remedial Investigation Work Plan |
|
Summary of Sub-Slab Soil Vapor Assessment, 1514 Taylor Way, Tacoma, WA
|
12/4/2018 |
Site Specific Technical Document - Other |
|
TWAAFA Change of Project Coordinator Designation
|
10/18/2018 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
TWAAFA-Contacts List
|
9/24/2018 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Sampling Plan Addendum for Vapor Intrusion Assessment, 1544 Taylor Way, Tacoma, WA
|
8/10/2018 |
Site Specific Technical Document - Other |
|
Ecology Comments on the Data Gaps Work Plan, Response to Comments
|
8/3/2018 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Summary of Soil Vapor Survey Data and Vapor Mitigation Plan for the 1514 Taylor Way Site
|
6/8/2018 |
Site Specific Technical Document - Other |
|
Annual Progress Report 2017, Stericycle Environmental Solutions, Inc., Tacoma Facility
|
4/10/2018 |
Monitoring Report |
|
Annual Progress Report January 1,2017-December 31, 2017
|
4/10/2018 |
Progress Report |
|
Ecology Response to DOF Proposed Schedule
|
4/2/2018 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
2017.07.20_Taylor Way & Alexander Ave_Plan Deadline Extension letter
|
7/20/2017 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
1514 Taylor Way Development Interim Action Work Plan
|
6/12/2017 |
Interim Action Plans and Reports |
|
Geotechnical Report, Taylor Way and Lincoln Avenue Industrial Sites, Taylor Way and Lincoln Avenue
|
4/10/2017 |
Site Specific Technical Document - Other |
|
Stericycle Vapor Mitigation System, 1701 Alexander Ave. E., Tacoma, WA
|
8/8/2016 |
Site Specific Technical Document - Other |
|
Revised Soil Vapor Sampling, Stericycle Tacoma Facility
|
7/26/2016 |
Site Specific Technical Document - Other |
|
Vapor Mitigation System Design Response to Comments, Stericycle Tacoma Facility
|
7/18/2016 |
Site Specific Technical Document - Other |
|
Stericycle Tacoma facility 2nd quarter 2016 Groundwater Monitoring Event
|
7/12/2016 |
Monitoring Report |
|
Tacoma Stericycle Facility, Lab Pack Building, Vapor Mitigation System Preliminary Design Overview
|
6/10/2016 |
Site Specific Technical Document - Other |
|
Soil Vapor Sampling, Stericycle Tacoma Facility
|
5/13/2016 |
Site Specific Technical Document - Other |
|
TWAAFA - Media Management Plan, Puget Sound Energy, Liquid Natural Gas Pipeline Construction, Tacoma/Fife, Washington
|
11/24/2015 |
Site Specific Technical Document - Other |
|
Proposed Prospective Purchaser Agreement, Former CleanCare Site
|
6/27/2014 |
Site Specific Administrative Document - Other (Administrative Correspondence) |
|
Permit for the Storage and Treatment of Dangerous Waste Permit No.: WAD020257945
|
3/22/2012 |
Site Specific Technical Document - Other |
|
Data Summary and Conceptual Site Model, Taylor Way and Alexander Avenue Fill Site, Tacoma, WA
|
7/1/2008 |
Remedial Investigation Report |
|
Feasibility Study, ProLogis Taylor Way Property
|
12/1/2006 |
Feasibility Study |
|
Remedial Investigation, ProLogis, Taylor Way Property
|
10/3/2006 |
Remedial Investigation Report |
|
CleanCare Memorandum re: groundwater monitoring results
|
6/30/2003 |
Monitoring Report |
|
Clean Care Corp Site Hazard Assessment
|
2/1/2002 |
Site Hazard Assessment Report |
|
Don Oline Landfill CleanCare PLP Search Documentation, Volume 1
|
10/12/2001 |
Site Specific Technical Document - Other |
|
Don Oline Landfill CleanCare PLP Search Documentation, Volume 2
|
10/12/2001 |
Site Specific Technical Document - Other |
|
CleanCare Facility, Subsurface Soil Data
|
10/2/2000 |
Site Specific Technical Document - Other |
|
Health Consultation, CleanCare Corporation Site
|
1/26/2000 |
Human Health and/or Eco Risk Assessment |
|
Groundwater Monitoring Plan, CleanCare Corp., Tacoma, WA
|
10/14/1995 |
Site Specific Technical Document - Other |
|
CleanCare Corporation Quarterly Report, 2nd Quarter 1995
|
7/14/1995 |
Site Specific Technical Document - Other |
|
Tacoma Cogeneration Project Phase 2 Site Assessment
|
5/16/1991 |
Remedial Investigation Report |
|
Geotechnical Engineering Study, Proposed Storage Facility, Tacoma, WA
|
9/11/1990 |
Site Specific Technical Document - Other |
|
RCRA Facility Assessment PR/VSI Report, ChemPro, NW Processing, Sol-Pro, ChemPro Parcel A
|
2/1/1990 |
Site Specific Technical Document - Other |
|
RCRA Facility Assessment PR/VSI Report Appendices
|
2/1/1990 |
Site Specific Technical Document - Other |
|
Northwest Processing Well Monitoring
|
6/1/1989 |
Monitoring Report |
|
Taylor Way & Alexander Ave Fill Area - Phase II Hydrogeological Investigation Parcel A & Work Plan
|
4/1/1988 |
Site Specific Technical Document - Other |
|
L-1 througn L-5 boring logs
|
2/2/1987 |
Site Specific Technical Document - Other |
|
Preliminary Assessment, Past Practices in the Vicinity of the Poligen Facility, Port of Tacoma, WA
|
5/1/1986 |
Site Specific Technical Document - Other |
|
Preliminary Nitric Acid Spill Residual Impact Evaluation, Poligen Site, Port of Tacoma, WA
|
3/19/1986 |
Site Specific Technical Document - Other |
|
Chemical Processors Well Monitoring
|
3/1/1986 |
Monitoring Report |
|
Tacoma Off-Plant Disposal Sites Groundwater Investigation
|
2/1/1984 |
Monitoring Report |
|
Revised Hydrogeologic Study, Poligen Site, Port of Tacoma
|
12/21/1983 |
Site Specific Technical Document - Other |
|
Solvent Spill - July 1, 1981
|
7/6/1981 |
Site Specific Technical Document - Other |
Public Comment Period
Ecology invites you to review and share your comments on documents related to the cleanup of hazardous substances at the Taylor Way & Alexander Ave Fill Area cleanup site. Your feedback is an important part of this process.
We are seeking public input on the following:
To aid in your review, we also prepared a fact sheet (download 3.4MB). The fact sheet provides context about the site and summarizes the key points of the documents listed above.
After the public comment period, we will carefully consider and respond to comments. We will work with the Port of Tacoma to finalize the documents, including any changes based on public comments. We will post updates and a Responsiveness Summary on Ecology’s Taylor Way & Alexander Ave Fill Area webpage.
How to Submit Comments:
The public comment period is open from 8:00 AM on April 15, 2026, to 11:59 PM on May 15, 2026.
You can submit your comments to Ecology using one of the following methods:
Steve Teel, site manager
Washington Department of Ecology
PO Box 47775
Olympia, WA 98504-7775
Email: Steve.Teel@ecy.wa.gov
Stay Informed:
For any questions regarding this public comment period, please contact Abby Zabrodsky, Public Involvement Coordinator: