SITE INSPECTION Siuslaw Marina

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SITE INSPECTION Siuslaw Marina SITE INSPECTION Siuslaw Marina Florence, Oregon October 2012 Prepared for: United States Environmental Protection Agency 1200 Sixth Avenue Seattle, Washington 98101 Prepared by: ECOLOGY AND ENVIRONMENT, INC. 720 Third Avenue, Suite 1700 Seattle, Washington 98104 able of Contents T Section Page 1 Introduction ............................................................................... 1-1 2 Site Background ........................................................................ 2-1 2.1 Site Location .................................................................................................... 2-1 2.2 Site Description ................................................................................................ 2-1 2.3 Site Ownership History .................................................................................... 2-2 2.4 Site Operations and Source Characteristics ..................................................... 2-2 2.5 Previous Investigations .................................................................................... 2-4 2.5.1 August 1998 Oregon Department of Environmental Quality Site Visit ...................................................................................................... 2-4 2.5.2 Oregon Department of Environmental Quality Preliminary Assessment ........................................................................................... 2-4 2.6 START Site Visit ............................................................................................. 2-5 3 Field Activities and Analytical Protocol .................................. 3-1 3.1 Sampling Methodology .................................................................................... 3-1 3.1.1 Surface Soil Sampling .......................................................................... 3-1 3.1.2 Shoreline Sediment Sampling .............................................................. 3-1 3.1.3 Siuslaw River Sediment Sampling ....................................................... 3-2 3.1.4 Storm Water Catchment Basin Sediment Sampling ............................. 3-2 3.2 Analytical Protocol ........................................................................................... 3-2 3.3 Global Positioning System ............................................................................... 3-2 3.4 Investigation-Derived Waste ............................................................................ 3-2 4 Quality Assurance/ Quality Control ......................................... 4-1 4.1 Satisfaction of Data Quality Objectives ........................................................... 4-1 4.2 QA/QC Samples ............................................................................................... 4-2 4.3 Project-Specific Data Quality Objectives ........................................................ 4-2 4.3.1 Precision ............................................................................................... 4-2 4.3.2 Accuracy ............................................................................................... 4-2 4.3.3 Completeness ....................................................................................... 4-2 4.3.4 Representativeness ............................................................................... 4-2 4.3.5 Comparability ....................................................................................... 4-3 4.4 Laboratory QA/QC Parameters ........................................................................ 4-3 4.4.1 Holding Times/Temperatures/Sample Containers ............................... 4-3 4.4.2 Laboratory Blanks ................................................................................ 4-3 10:\Siuslaw Marina Abbv. SI\TDD No. 11-01-0009 iii Table of Contents (cont.) Section Page 4.4.3 Serial Dilution Analyses....................................................................... 4-3 4.4.4 Rinsate Blanks ...................................................................................... 4-3 5 Analytical Results Reporting and Background Samples ...... 5-1 5.1 Analytical Results Evaluation Criteria ............................................................. 5-1 5.1.1 Sample Results Reporting .................................................................... 5-1 5.2 Background Samples ........................................................................................ 5-1 5.2.1 Background Surface Soil Sample Location ......................................... 5-2 5.2.1 Background Sediment Samples ............................................................ 5-2 6 Potential Sources ...................................................................... 6-1 6.1 Contaminated Soil ............................................................................................ 6-1 6.2 Storm Water Catchment Basins ....................................................................... 6-2 6.3 Ground Water Seep (Source Unidentified) ...................................................... 6-2 7 Surface Water Migration Pathway and Targets ...................... 7-1 7.1 Overland Pathway ................................................................................ 7-1 7.2 15-Mile TDL ........................................................................................ 7-2 7.3 Targets .................................................................................................. 7-2 7.3.1 Drinking Water ..................................................................................... 7-3 7.3.2 Human Food Chain .............................................................................. 7-3 7.3.2.1 Sport Catch ............................................................................ 7-3 7.3.2.2 Commercial Harvest .............................................................. 7-4 7.3.3 Environmental Targets ......................................................................... 7-4 7.4 Sediment Sample Locations ............................................................................. 7-5 8 Summary and Conclusions ...................................................... 8-1 9 References ................................................................................. 9-1 Appendices A Photographic Documentation B Sample Plan Alteration Form C Chain-of-Custody Documentation D Data Validation Memoranda E Global Positioning System Coordinates 10:\Siuslaw Marina Abbv. SI\TDD No. 11-01-0009 iv ist of Tables L Table Table 2-1 August 1998 ODEQ Site Visit Sediment Analytical Results (ppm) Table 2-2 January 2005 ODEQ Preliminary Assessment Surface Soil Sample Results (mg/kg) Table 2-3 January 2005 ODEQ Preliminary Assessment Near-Shore Sediment Sample Results (ppm) Table 2-4 January 2005 ODEQ Preliminary Assessment Mid-Channel Sediment Sample Results (ppm) Table 3-1 Sample Analysis Summary Table 6-1 Ways Building Sediment Sample Analytical Results Table 6-2 Surface Soil Analytical Results Table 6-3 Storm Drain Analytical Results Table 6-4 Ground Water Seep Analytical Results Table 7-1 Sport and Commercial Catch Data Within the 15-Mile TDL Siuslaw Marina Table 7-2 Siuslaw River Sediment Sample Analytical Results 10:\Siuslaw Marina Abbv. SI\TDD No. 11-01-0009 v ist of Figures L Figure Figure 1-1 Site Vicinity Map Figure 2-1 Site Map Figure 2-2 January 2005 ODEQ Preliminary Assessment Sediment Sample Locations Figure 2-3 January 2005 ODEQ Preliminary Assessment Background Sediment Sample Location Figure 3-1 Sample Location Map Figure 7-1 15-Mile Target Distance Limit Map 10:\Siuslaw Marina Abbv. SI\TDD No. 11-01-0009 vii ist of Abbreviations and Acronyms L Term Definition %R Percent Recovery AST Aboveground Storage Tank bgs Below Ground Surface BS Blank Spike CLP Contract Laboratory Program COC Contaminant of Concern CRQL Contract Required Quantitation Limit DMEF SL Dredge Material Evaluation Framework/Lower Columbia River Management Area Screening Level DQO Data Quality Objective E & E Ecology and Environment, Inc. EPA United States Environmental Protection Agency GPS Global Positioning System IDW Investigation-Derived Waste mg/kg Milligrams per Kilogram MS/MSD Matrix Spike/Matrix Spike Duplicate NPDES National Pollutant Discharge Elimination System NPL National Priorities List ODEQ Oregon Department of Environmental Quality ODFW Oregon Department of Fish and Wildlife PA Preliminary Assessment PCB Polychlorinated Biphenyl PPE Probable Point of Entry PRG Preliminary Remediation Goal QA Quality Assurance QC Quality Control RPD Relative Percent Difference SI Site Inspection SPAF Sample Plan Alteration Form SQAP Sampling and Quality Assurance Plan SQL Sample Quantitation Limit START Superfund Technical Assessment and Response Team SVOC Semivolatile Organic Compound TAL Target Analyte List TBT Tributyltin TDL Target Distance Limit TM Task Monitor 10:\Siuslaw Marina Abbv. SI\TDD No. 11-01-0009 ix List of Abbreviations and Acronyms (cont.) Term Definition TOC Total Organic Carbon USCG United States Coast Guard VOC Volatile Organic Compound 10:\Siuslaw Marina Abbv. SI\TDD No. 11-01-0009 x Introduction 1 Ecology and Environment, Inc. (E & E) was tasked by the United States Environmental Protection Agency (EPA) to provide technical support for completion of a Site Inspection (SI) at the Siuslaw Marina located in Florence, Oregon (Figure 1-1). E & E completed SI activities under Technical Direction Document Number 11-01-0009, issued under EPA, Region 10, Superfund Technical Assessment and Response Team (START)-3 Contract Number EP-S7-06-02.
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