Science & Technology
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Risk Assessment Guidance for Superfund Volume I: Human Health Evaluation Manual Supplemental Guidance
This guidance supplements the Risk Assessment Guidance for Superfund: Human Health Evaluation Manual, Part A that was issued October 13, 1989.
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Guidance for Data Useability in Risk Assessment (Part A-13), Final, April, 1992
Appendix VI lists the parameters and criteria that produce an "R" flag
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Guidance for Data Useability in Risk Assessment (Part B-2), Final, May, 1992
This chapter discusses the data collection and evaluation issues that affect the quality and useability of radioanalytical data for baseline human health risk assessments.
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Issuance of Final Guidance: Ecological Risk Assessment and Risk Management Principles for Superfund Sites, October 7, 1999
This guidance is intended to help Superfund risk managers make ecological risk management decisions that are based on sound science, consistent across Regions, and present a characterization of site risks that is transparent to the public.
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Use of IRIS Values in Superfund Risk Assessment
This memorandum clarifies the policy stated at section 7.4.1 of the December 1988 Risk Assessment Guidance for Superfund (Volume I) Human Health Evaluation Manual (Part A)
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Section 3 - Exposure assessment and risk descriptors
The results of a risk assessment are usually communicated to the risk manager in the risk characterization portion of the assessment.
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Guidance for Data Useability in Risk Assessment (Part B-6), Final, May, 1992
This chapter discusses the application of radioanalytical data for risk assessment. Guidance is provided for reviewing data for consistency and completeness
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Frequently Asked Questions (FAQs) About Update of Standard Default Exposure Factors
list of FAQs concerning OSWER's default exposure factors
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Guidance on Risk Characterization for Risk Managers and Risk Assessors
This memorandum provides guidance for managers and assessors on describing risk assessment results in EPA reports, presentations, and decisions packages.
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The Role Of Natural Resource Trustees In The Superfund Process
The comprehensive environmental response, compensation and liability act (CERCLA), as amended by the superfund amendments and reauthorization act (SARA)
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Relative Potency Factors for Carcinogenic Polycyclic Aromatic Hydrocarbons (PAHs)
Relative potency factors of selected PAH based on mouse skin carcinogenesis
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Guidance for Data Useability in Risk Assessment (Part A-4b), Final, April, 1992
Exhibit 25 Summary of most frequently occuring checmicals of potential concern by industry
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Ecological Risk Assessment Guidance for Superfund: Process for Designing and Conducting Ecological Risk Assessments, Appendix A, June, 1997
Example ecological risk assessments for hypothetical sites
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Ecological Risk Assessment Guidance for Superfund: Process for Designing and Conducting Ecological Risk Assessments, Step 5-glossary, June, 1997
The primary purpose of field verification of the sampling plan is to ensure that the samples specified by the SAP actually can be collected.
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Guidance for Comparing Background and Chemical Concentrations in Soil for CERCLA Sites
Guidance for Comparing Background and Chemical Concentrations in Soil for CERCLA Sites - EPA 540-R-01-003, OSWER 9285.7-41, September 2002
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Human Health Toxicity Values in Superfund Risk Assessments
This memorandum revises the hierarchy of human health toxicity values generally recommended for use in risk assessments, originally presented in Risk Assessment Guidance for Superfund Volume I, Part A.
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Role of the Ecological Risk Assessment in the Baseline Risk Assessment
I want to emphasize the importance of selecting remedies at Superfund sites that are protective of the environment as well as human health.
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Ecotox Thresholds 1996
This bulletin provides an overview of the development and use of Ecotox Threshold (ET) benchmark values in Superfund ecological risk assessments (ERAs)
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Guidance for Data Useability in Risk Assessment (Part A-7), Final, April, 1992
This chapter provides guidance for integrating the assessment of data useability to determine the overall level of uncertainty of risk assessment.