Issue Papers

This portion of the web site supplements the NAVFAC guidance for conducting ecological risk assessments by providing additional technical information in the form of issue papers on specific topics. These topics are listed below, and additional topics will be added as they are developed.

Screening Risk Assessment

Screening and COPC Refinement for Sediment, Soil, and Surface Water (71 KB)

Amphibian Risk Assessment

Development of a Standardized Approach For Assessing Potential Risks To Amphibians Exposed To Sediment and Hydric Soils (6.96 MB)

Project Management Activities and Issues

Environmental Negotiation Primer (41 KB)

Ecological Risk Assessment Procedural Requirements

Reviewing Ecological Risk Assessment Deliverables, July 2004 (54 KB) Ecological Risk Assessment Standard Deliverables, Atlantic Division, Naval Facilities Engineering Command (70 KB) Guidelines for Evaluating Existing Analytical Data to Determine Suitability for Use in Ecological Risk Assessments (42 KB)

Developing Remediation Goals

Example Approach for the Development of Site-Specific Preliminary Remediation Goals for Protection of Ecological and Human Health at Navy Aquatic Sites (2.05 MB) Using Sediment Toxicity Identification Evaluations to Improve the Development of Remedial Goals for Aquatic Habitats (476 KB) See Methods and Tools and Case Studies for additional information on Toxicity Identification Evaluation (TIE).

Contaminant Analyses

Laboratory Detection and Reporting Limit Issues Related to Risk Assessments (265 KB) Bioaccumulation in the Ecological Risk Assessment (ERA) Process (53 KB) Analysis of PCB Congeners vs. Aroclors in Ecological Risk Assessment (162 KB) Metals Bioavailability in the Navy's Tiered Ecological Risk Assessment Process (81 KB)

Data Analysis

Calculating Background Levels for Ecological Risk Parameters in Toxic Harbor Sediment (147 KB) Kriging for Ecorisk Assessments (202 KB) Using Monte Carlo Analysis in Ecological Risk Assessments (64 KB)

QA/QC Issues

Specifying and Evaluating Quality Requirements for Analytical Chemistry in Ecological Risk Assessments (236 KB)

Rapid Evaluation Methods

Rapid Sediment Characterization (RSC) for Ecological Risk Assessments in Sediments (492 KB)

Issues in Toxicity Testing

Confounding Factors in Sediment Toxicology (80 KB) Development of Marine Sediment Toxicity (780 KB)

Last Modified: 10/15/2010

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