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.

This document assists effective decision-making among state, local, and federal project managers and decision makers tasked with developing or reviewing risk assessments for contaminated sites using site-specific approaches, scenarios, and parameters.

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

Provides information on the different methods used by regulatory agencies to develop and apply screening values for evaluating contaminated media.