Science & Technology
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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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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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Guidance for Data Useability in Risk Assessment (Part B-8), Final, May, 1992
Radioactive substances in the environment
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Revised Policy on Performance of Risk Assessments During Remedial Investigation and Feasibility Studies
As part of the recently announced administrative reforms to the Superfund program, the Administrator stated that EPA would reaffirm its commitment
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Ecological Risk Assessment and Risk Management Principles for Superfund Sites (October 1999)
Remedy Selection and Decisions
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Guidance for Data Useability in Risk Assessment (Part B-4), Final, May, 1992
This chapter provides guidance to the RPM and the risk assessor for designing an effective sampling plan and selecting suitable analytical methods to collect environmental data for use in baseline risk assessments.
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EPA Model Shows Potential in Unraveling the Mystery of Lightning’s Impact on Air Quality
How does lightning contribute to air pollution? EPA researchers simulated the impact lightning has on ground-level ozone across the continental United States. This research will ultimately aid states in efforts to help protect our air quality.
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Guidance for Data Useability in Risk Assessment (Part A-3), Final, April, 1992
This chapter is an overview of the data collection and evaluation issues that affect the quality and useability of baseline human health risk assessments. Ecological risk assessment is not discussed in this guidance.
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Guidance for Data Useability in Risk Assessment (Part B-10), Final, May, 1992
References: altshuler, 1963, LLD calculations, American National Standards Institute (ANSI)
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Guidance for Data Useability in Risk Assessment (Part B-7), Final, May, 1992
Glossary of radiation concepts, teminology and units, radioactive substances in the environment, epa radiation program staff
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Exposure Parameters
Compilation of current USEPA exposure parameters for computation of age-specific values in exposure estimates.
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The Legacy of EPA’s Acid Rain Research
In EPA’s 50 years of research, one of the most significant environmental challenges the nation faced was the problem of acid rain.
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Withdrawal of the January 15, 2009, OSWER Guidance Entitled "Interim Recommended Trichloroethylene (TCE) Toxicity Values to Assess Human Health Risk and Recommendations for the Vapor Intrusion Pathway Analysis
The agency is withdrawing this guidance to further evaluate the recommendations regarding the non-cancer TCE toxicity value for use in risk assessments of inhalation exposures.
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Guidance for Data Useability in Risk Assessment (Part A-5a), Final, April, 1992
This chapter provides planning guidance to the RPM and risk assessor for designing an effective sampling plan and selecting suitable analytical methods
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Guidance for Data Useability in Risk Assessment (Part A-15), Final, April, 1992
USEPA contract laboratory program statement of work for organic analysis multi-media, multi concentration
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Using Toxicity Tests in Ecological Risk Assessment
Toxicity tests are used to expose test organisms to a medium-water, sediment, or soil-and evaluate the effects of contamination on the survival, growth, reproduction, behavior and or other attributes of these organisms.
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Developing A Work Scope For Ecological Assessments
Need for clarity, specificity, and completeness. SOWs and work plans should clearly state the studies needed at each phase of the assessment.
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EPA's Next Generation Air Measuring Research
Introduction note to Air Sensors issue.
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Guidance for Data Useability in Risk Assessment (Part A-16), Final, April, 1992
Example diagram for a conceptual model for risk assessment
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Guidance for Data Useability in Risk Assessment (Part A-10c), Final, April, 1992
Methods, detection and quantitation limits for specified analytes of concern to risk assessment