Science & Technology

Ionic Strength

Introduction to the ionic strength module, when to list ionic strength as a candidate cause, ways to measure ionic strength, simple and detailed conceptual diagrams for ionic strength, ionic strength module references and literature reviews.

Case Studies

Examples of case studies using CADDIS for causal analysis from across the United States.

P2 Case Study, How One Facility Completely Eliminated the Use of TCE. Schick Razor Blade Manufacturing in Knoxville, Tennessee

P2 Case Study. How One Facility Completely Eliminated the Use of TCE. Schick Razor Blade Manufacturing in Knoxville, Tennessee.

Human Respiratory System Model

The Human Respiratory System Model is a 3-D computational fluid dynamics (CFD) model of the human respiratory system. The model is based on human scan data and can be adapted on the fly to account for age, ethnicity, and sex.

Sustainable and Healthy Communities Research Overview Fact Sheet

EPA’s Sustainable and Healthy Communities research provides the decision tools and data that communities need to make proactive, strategic decisions aimed at a prosperous, more environmentally sustainable future.

Galleries

This section provides examples (plot diagrams and some source data) of stressor-response associations and species sensitivity distributions for common stressors.

Metals

Introduction to the metals module, when to list metals as a candidate cause, ways to measure metals, simple and detailed conceptual diagrams for metals, metals module references and literature reviews.

Exploring the General Equilibrium Costs of Sector-Specific Environmental Regulations

This is a working paper titled "Exploring the General Equilibrium Costs of Sector-Specific Environmental Regulations"

2017 AirToxScreen Technical Support Document

A technical overview of methods used for EPA's AirToxScreen

Significant New Use Rules on Certain Chemical Substances

Document page for pre-pub.

Non-confidential List of TSCA New Chemical Exposure Limits, (updated March 2018)

The table on this page is intended to reflect legal requirements contained in TSCA section 5(e) Orders and/or section 5(a)(2) Significant New Use Rules (SNURs).

Manufacturer-Requested Risk Evaluation of Diisodecyl Phthalate (DIDP)

Documents regarding the manufacturer-requested risk evaluation for DIDP

Chemistry Assistance Manual for Premanufacture Notification Submitters under TSCA

The purpose of this book is to assist submitters in the technical aspects of Premanufacture Notice preparation.

Presidential Green Chemistry Challenge: 2004 Academic Award

Presidential Green Chemistry Challenge 2004 award winners, Professors Charles A. Eckert and Charles L. Liotta, use supercritical CO2 as a solvent to combine reactions and separations, improve efficiency, and reduce waste.

Manufacturer-Requested Risk Evaluation of Diisononyl Phthalate (DINP)

Manufacturer-requested risk evaluation

Gas Guzzler Tax

Information about the Gas Guzzler Tax that is assessed on new cars that do not meet required fuel economy levels.

Construction and Application of the Micro-level Engineering, Environmental, and Economic Detail of Electricity (MEEDE) Dataset, Version 2

This is a working paper titled "Construction and Application of the Micro-level Engineering,
Environmental, and Economic Detail of Electricity (MEEDE) Dataset, Version 2"