Exposure Assessment Resources (ExpoBox)

What is Exposure Science?

Exposure science characterizes and predicts the intersection of chemical, physical and biological agents with individuals, communities or population groups in both space and time.

Exposure Assessment Overview
Guidelines for Human Exposure Assessment

The 2019 Guidelines for Human Exposure Assessment include EPA science policy, analytical methods, risk assessment guidance, methods and data important for conducting exposure assessments.
Guidelines for Human Exposure Assessment
Exposure Factors Handbook

The Exposure Factors Handbook provides information on various physiological and behavioral factors commonly used in assessing exposure to environmental chemicals.
Exposure Factors Handbook

A Resource for Conducting Exposure Assessments Under EPA Authorities

ExpoBox (EXPOsure ToolBOX) provides searchable information, models, data and guidance relevant to conducting exposure assessments.

Overview

Learn about exposure assessments and how they fit within risk assessment.

Overview
Exposure Setting

Identify the contaminant of interest and how it moves around in the environment.

Exposure Setting
Exposure Routes

Obtain information specific to inhalation, ingestion and dermal exposure routes.

Exposure Routes
Exposure Data

Measure or estimate the exposure or dose using data and models.

Exposure Data
Exposure Calculations

Calculate exposure using available approaches and tools.

Exposure Calculations