Guidance for environmental professionals, health agencies, consultants, and other stakeholders to identify, evaluate, and manage biological contaminants found in water, soil, air, and waste.

A white paper and four fact sheets to be used as a foundation for identifying, evaluating, monitoring, and communicating potential risks associated with contaminants of emerging concern.

This guidance document provides a comprehensive defensible framework for establishing and using soil background in risk assessments.

Provides a practical framework for developing and implementing effective communication plans and stakeholder outreach activities for environmental issues. Includes key risk communication concepts, steps for conducting communication efforts, case studies, and adaptable tools and resources to support community engagement.

Supports the evaluation and selection of methane detection and quantification technologies to meet regulatory requirements, improve emissions monitoring, and enhance workforce and public safety.

Explains how to incorporate bioavailability of contaminants in soil into human health risk assessments by reviewing key concepts, methods, and tools for developing site-specific bioavailability values to improve exposure estimates.

Practical guidance for addressing common challenges in human health risk assessment and decision-making during the cleanup of contaminated sites.

Explains how remediation risk management can be used to identify and address technical challenges associated with groundwater cleanup at complex sites while maintaining long-term protection of human health and the environment.

Presents tools, processes, and a practical framework to help remediation practitioners anticipate, plan for, and mitigate project risks.

Through actual and hypothetical case studies, examines state regulatory agencies’ use of risk assessment and risk-related practices in managing contaminated sites.