Hazard Ranking System Training Course - Table of Contents

Welcome to the HRS Internet Training course! You may begin taking the course, which is designed around a Table of Contents or Homepage. You can return to the course Homepage at any time by clicking on the "Home" button at the bottom of each page. The arrows at the bottom of each page allow you to proceed to the next page in the section. The arrow on the last page of each section leads to the first page of the next section. To facilitate your movement between sections, use the "Jump To" icons (see below) at the bottom of selected pages to get to the first page of sections 1 through 20.

Sections 1-10

Sections 11-20

Section 1: Regulatory Context of the HRS CERCLA: Comprehensive Environmental Response, Compensation, and Liability Act The Hazard Ranking System SARA: Superfund Amendments and Reauthorization Act Hazardous Substances HRS Definitions of Site and Source CERCLA Definitions of Release Statutory and Policy Exclusions Policy Considerations in Listing Sites	Section 2: Site Assignment Process Preliminary Assessment Site Inspection NPL Listing Process Hazard Ranking System HRS Scoring Package The Documentation Record Preparing the Documentation Record
Section 3: HRS Structure Pathways Site Score Pathway Score Likelihood of Release Waste Characteristics Targets	Section 4: Source Characterization What is a Source? Source Characterization Source Identification Type Source Boundaries and Dimensions Hazardous Substance Source Association Containment Application to a Site
Section 5: Waste Characteristics Calculating Substance-Specific Factors Calculating Hazardous Waste Quantity Calculating Waste Characteristics Application to a Site	Section 6: Liklihood of Release Observed Release Potential to Release Application to a Site
Section 7: Targets Actual Contamination Determining Level of Contamination I and J Indices Application to a Site	Section 8: GROUND WATER - Aquifers Definitions Identifying and Evaluating Aquifers
Section 9: GROUND WATER - Likelihood of Release Definitions Calculating Likelihood of Release Potential to Release Application to a Site	Section 10: GROUND WATER - Waste Characteristics and Targets Waste Characteristics Targets Application to a Site
Section 11: SURFACE WATER - Likelihood of Release Eligible Surface Water Bodies Hazardous Substance Migration Path Likelihood of Release Application to a Site	Section 12: SURFACE WATER - Drinking Water Threat Waste Characteristics Targets Actual Contamination Potential Contamination Nearest Intake Population Resources
Section 13: SURFACE WATER - Human Food Chain Threat Waste Characteristics Documenting the Presence of a Fishery Targets Actual Contamination Food Chain Individual Food Chain Population Estimating Fishery Production	Section 14: SURFACE WATER - Environmental Threat Distinctive Features of the Threat Selecting the Most Hazardous Substance for the Threat Waste Characteristics Targets: Sensitive Environments Targets: Wetlands Benchmarks and Levels of Contamination Level of Contamination by Threat
Section 15: SURFACE WATER - Ground Water to Surface Water Overview Hazardous Substance Migration Path Likelihood to Release Waste Characteristics Actual Contamination of Targets Potential Contamination of Targets Conclusion	Section 16: AIR - Likelihood of Release Overview Likelihood of Release
Section 17: AIR - Waste Characteristics and Targets Waste Characteristics Targets	Section 18: SOIL EXPOSURE - Resident Population Threat Overview of the Pathway Areas of Observed Contamination Likelihood of Exposure Waste Characteristics Level of Contamination for Human Targets Targets
Section 19: SOIL EXPOSURE - Nearby Population Threat Overview of the Threat Areas of Observed Contamination Likelihood of Exposure Waste Characteristics Travel Distance for Nearby Targets Nearby Targets	Section 20: Radionuclides Radionuclide Exclusion Likelihood of Release Waste Characteristics Targets
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Hazard Ranking System Training Course - Table of Contents

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