Portland Harbor Superfund Site
This page contains a partial archive of older documents related to the Portland Harbor Superfund site. The most recent documents are available on our Portland Harbor home page.
You can also review electronic copies of many technical documents, fact sheets, and other site documents at Multnomah County Central Library
You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.
Click on the triangle to expand a heading to see a list of documents.
Letter to Administrator Lisa Jackson and Responses to Congressional Delegation, December 14, 2011 (PDF) (42 pp, 10.8MB) - December 2011
Remedial Investigation Report (main text only) (PDF) (676 pp, 3.9MB) - August 2011
EPA Risk Assessment comments to LWG (PDF) (15pp, 168K) - December 23, 2009
Portland Harbor Draft Remedial Investigation Report - October 2009
Portland Harbor Site Remedial Action Objectives (PDF) (5pp, 34KB) - August 7, 2009
Areas of Potential Concern Letter (PDF) (2pp., 125KB to start) - June 23, 2009
Screening of Disposal Facilities for the Feasibility Study (PDF) (15pp., 1.2MB) - June 19, 2009
Pre-Feasibility Study Treatment Technologies Table Draft (PDF) (7pp., 35KB) - June 5, 2009
Lower Willamete River Sidescan Sonar Data Report (PDF) (198pp., 6.4MB) - May 15, 2009
Treatment Beneficial Use Market Survey Draft (PDF) (118pp., 586KB) - April 3, 2009
Early Preliminary Remediation Goals (PRG's) (PDF) (86pp., 1.4MB) - March 27, 2009
Round 3A and 3B Stormwater Data Report (PDF) (10 pp. 87K to start) - draft undergoing government review - September 30, 2008
Round 2 Quality Assurance Project Plan Addendum 11: Sediment Chemical Mobility Testing (PDF) (26 pp. 163K to start) - draft undergoing government review - August 4, 2008
Draft Round 3B Sediment Data Report (PDF) (18 pp. 196K to start) - draft undergoing government review - August 1, 2008 NOTE: Large File: 56K download time may exceed 15 minutes for some of the attached files.
Background Data Processing and Outlier Identification (PDF) (35pp. 2.3MB) draft undergoing government review - July 3, 2008.
Background Document: Application of Oregon Water Quality Standards (PDF) (54 pp. 6.23MB) draft undergoing government review- July 2, 2008.
Portland Harbor RI/FS Round 3B Upland Stormwater Field Sampling Report (PDF) (561 pp. 17.7MB) - June 13, 2008. NOTE: Large File: 56K download time may exceed 60 minutes.
Draft Final Sediment Chemical Mobility Testing Field Sampling Plan (PDF) (8 pp. 97K to start) - June 13, 2008.
Stormwater Loading Calculation Methods (PDF) (597 pp. 30MB) NOTE: Large File: 56K download time may exceed 30 minutes. May 16, 2008. Draft Undergoing Governmental Review.
Round 3 Lamprey Ammocoete Phase 2 Toxicity Testing Data Report (PDF) (33 pp. 1.5MB to start) May 7, 2008. Draft Undergoing Governmental Review.
Round 3B Side-Scan Sonar Field Sampling Plan (PDF) (26 pp. 8MB to start) - April 24, 2008
Portland Harbor Superfund Site Overview (PDF) (41 pp. 2.2MB)
Portland Harbor Remedial Investigation/ Feasibility Study Summary (PDF) (88 pp. 7.7MB)
Portland Harbor April 2008 Update Continued (PDF) (17 pp. 518K)
Sediment Chemical Mobility Testing Field Sampling Plan (PDF) (158 pp. 4.5MB) draft undergoing government review
Round 3B Side-Scan Sonar Field Sampling Plan (PDF) (12 pp. 880K) - January 2008
Draft Treatability Study and Literature Review (PDF) (56 pp. 1.3MB) - October 20, 2007.
Round 3A Low-Flow and Stormwater-Impacted Surface Water Data Report (PDF) (163 pp. 1.5MB) - May 21, 2007
Comprehensive Round 2 Site Characterization Summary and Data Gaps Analysis Report
Round 3A Field Sampling Plan: Stormwater Sampling (PDF) (150 pp. 2.1MB) - March 1, 2007.
Round 2 Quality Assurance Project Plan Addendum 8 - Round 3A Stormwater Sampling (PDF) (37 pp. 2.7MB) - March 1, 2007.
Round 3 Sampling for Pre-Breeding White Sturgeon (Acipenser Transmontanus) Tissue (PDF) February 9, 2007 (39 pp. 408K)
Round 3A Field Sampling Plan : Stormwater Sampling February 7, 2007 (PDF) (69 pp. 2.9MB to start) draft undergoing government review
Draft Multiplate Invertebrate Tissue Sampling Data Report June 12, 2006 (PDF, 33pp. 987KB to start)
Draft Benthic Tissue and Sediment Data Report September 1, 2006 (PDF, 151pp. 3.97MB to start)
PCB Congeners in Archived Round 2A Surface Sediment Data Report April 10, 2006 (PDF, 65 pp., 7.8 MB)
Round 2 Subyearling Chinook Tissue Data Report March 31, 2006 (PDF, 84 pp., 1.5 MB)
Portland Harbor RI/FS Round 3 January 2006 High-Flow Surface Water Field Sampling Report Draft March 27, 2006 (PDF, 72 pp., 4.8MB)
Interpretive Report: Estimating Risks to Benthic Organisms Using Predictive Models Based on Sediment Toxicity Tests Draft March 17, 2006 (PDF, 78 pp., 818KB)
- Interpretive Figures (PDF, 23 pp, 12.2 MB)
- Appendix A.0. Evaluation of Existing SQV Sets Including Chemical Data Sets (PDF, 14 pp., 174 KB)
- Appendix A.1. Supporting Data (ZIP, 4.33 MB)
- Appendix B. Chemical Data Set for Existing SQV Sets (PDF, 5 pp., 2.3 MB)
- Appendix C. Results for Multivariate Analyses (PDF, 14 pp., 4.3 MB)
- Appendix D. Interpretive Data (ZIP, 4.0 MB)
- Appendix E. Results of Individual Logistic Regression Models (PDF, 87 pp., 1.4 MB)
- Figure 6-1. Areas of Concern from logistic Regression Model (PDF, 1 pp., 297 KB)
- Figure 6-2. Areas of Predicted High Benthic Risk (PDF, 1 pp., 292 KB)
- Figure 6-3. Sediment Quality based on Toxicity Tests (PDF, 1 pp., 364 KB)
Food Web Modeling Report: Evaluating TrophicTrace and the Arnot and Gobas Models for Application to the Portland Harbor Superfund Site Draft November 4, 2005 (PDF, 304 pp., 2.8MB)
Portland Harbor RI/FS Round 2A Sediment Site Characterization Summary Report Draft July 15, 2005 (44 pp 400 KB pdf to start)
Letter to Early Action and Lower Willamette Group Project Managers Regarding Diving Safety - June 22, 2005 (4 pp, 48 KB pdf)
Draft Monitored Natural Recovery Report April 2005 (58 pp, 1.9 MB pdf)
Round 1 Site Characterization Summary Report DRAFT RI/FS October 12, 2004 (50 pp, 300 KB pdf to start)
Round 1 Executive Summary November, 2004 (5 pp 50 KB .pdf)
Portland Harbor RI/FS Deliverable Descriptions and Submittal Deadlines (13 p. 80 KB) - July 2004
Round 2 QAPP June 24, 2004 (162 pp, 800 KB pdf)
Round 2 Shore Bird and Beach Sediment Field Sampling Plan June 2, 2004 (20 pp, 300 KB pdf)
Round 2 Sediment Sampling and Benthic Toxicity TestingText, Figures and Tables June 1, 2004 (101 pp, 7.1 MB pdf)
Sediment Appendices (133 pp, 7 MB pdf)
RI/FS Programmatic Work Plan April 23, 2004 (217 pp, 800 KB pdf to start)
Round 1 Complete Set of Sampling Data - July 6, 2004 (12 MB excel spreadsheet)
Round 1 Tissue Sample Collection and Archive Information Summary Tables October 22, 2003 (54 pp, 500 KB pdf)
Upland Groundwater Data Review Report June 6, 2003 (62 pp, 500 KB pdf)
Technical Memo: Chemistry Category Reclassification May 29, 2003 (40 pp, 228 KB)
Sediment Stake Erosion/Accretion Monitoring Report May 15, 2003 (45 pp, 4.7 MB pdf)
Round 2A QAPP Addendum April 17, 2003 (31 pp, 115 KB)
Round 1 Field Sampling Report DRAFT March 14, 2003 (44 page, 224 KB .pdf to start. Additional large .pdfs attached. Independent Excel spreadsheets for some figures, appendix and tables.)
Figure 5-14 Species Relabeling Check Sheet (XLS) (16KB)
2003-02-24_-_R1_Field_Sampling_Report_APPENDIX_C (XLS) (7.5M)
2003-03-14_-_R1_Field_Sampling_Report_TABLES (XLS) (124KB)
Figure 5-13 Lab Sample Storage Log Data Sheet (XLS) (17KB)
Summary of 2002 Field Activities February 28, 2003 (9 pp, 271 KB pdf)
Round 1 Quality Assurance Project Plan Final Report (PDF) (161pp, 1.8Mb) - November 22, 2002
Bathy Integration Report Draft April 4, 2002 (35 pp, 2 MB pdf)
Hydraulic Analysis of the McCormick and Baxter Creosoting Company (PDF) (23 pp. 129K to start) March 19, 2002.
Technical Memorandum: Disposal Facility Siting Draft March 2002 (30 pp, 300 KB pdf)
Technical Memorandum: Capping Material Evaluation Draft February, 2002 (14 pp, 218 KB pdf)
Portland Harbor Sediment Investigation Report (48 pp, 2.6 MB pdf) - May 1998
Early Action Cleanup Areas
Links to Documents from Other Agencies
You can also find hard copies of these documents at one of the Information Repository locations for the Portland Harbor Superfund site.