Science & Technology

Stressor-Response Relationships from Laboratory Studies

This page shows how to derive the cause using the evidence from laboratory studies.

Stressor-Response Relationships from Other Field Studies

This page shows how to derive and evaluate evidence using stressor-response relationships from other field studies.

Verified Predictions

This page shows how to derive and evaluate evidence of a verified prediction.

Laboratory Tests of Site Media

This page show how to derive and evaluate evidence from laboratory tests of site media.

Manipulation of Exposure

This page shows how to derive and evaluate evidence from studies that manipulate exposure.

Evidence of Exposure or Biological Mechanism

This page shows how to derive and evaluate evidence of exposure or biological mechanism.

Stressor-Response Relationships from the Field

This page shows how to derive and evaluate evidence of stressor-response relationships from the field.

Temporal Sequence

This page shows how to derive and evaluate evidence of a temporal sequence.

Step 1. Define the Case

This page provides an overview of Step 1, defining the case, including more detail of Step 1, examples and the expected output of Step 1, defining the case.

Step 2. List Candidate Causes

This page includes an overview, including more details and expected output of Step 2, listing candidate causes of a causal impairment.

Step 4. Evaluate Data from Elsewhere

This page includes an overview, details and expected output from Step 4: Evaluate Data from Elsewhere.

Step 3. Evaluate Data from the Case

This page contains an overview of the details and expected output of Step 3, to evaluate data from the case at hand.

Site Map for CADDIS

This page is include as another way to help you find the pages and sections available across the 5 CADDIS volumes.

An introduction to the history of our approach to causal assessment, A chronology of causal history and philosophy, An introduction to causal history and philosophy, References for the Causal Assessment Background section of Stressor Identification

Staging a Comeback Along the St. Louis River

EPA and a host of partners have been working to restore the St. Louis River estuary and help local communities reap the full benefits of a clean, healthy environment.

Meet EPA Scientist Eric S. Hall

Eric Hall is currently developing a decision support tool (web browser) to help communities make sustainable decisions.

Meet EPA Scientist Havala Pye, Ph.D.

EPA physical scientist Dr. Havala Pye researches air quality, specifically particles from both emissions and those that form in the atmosphere by interactions of gas-phase compounds.

From Challenge & Prize Competition to Test Prototype: The Nitrogen Sensor That Could Change Residential Onsite Wastewater Treatment

The winner of the Advanced Septic System Nitrogen Sensor Challenge has developed a nitrogen sensor that could change residential onsite wastewater treatment.

EPA Researchers Enhance Community Resilience

To help state and local emergency planners think about resilience, EPA researchers developed the Environmental Resilience Tool Wizard.