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![Banner depicting different areas of environmental contamination including a contaminated river, smokestacks, and oil rigs.](/pha-guidance/images/homepage_2_900px.jpg?_=92376)
The PHAGM outlines methods and resources that environmental health professionals can use to evaluate environmental exposures associated with an industrial facility, commercial facility, or hazardous waste site.
![A circular diagram showing the 8 modules that make up the Public Health Assessment Training](/pha-guidance/conducting_scientific_evaluations/indepth_toxicological_analysis/images/modules-main-image_600x400.jpg?_=13445)
ATSDR's Public Health Assessment Training (PHAT) modules help environmental health professionals understand the public health assessment process.
Glossary
![Magnifying glass on top of wooden alphabet](/pha-guidance/images/Glossary_sml.jpg?_=28709)
This provides definitions for many terms used in PHAGM and words used by ATSDR in communications with the public. It is not a complete dictionary of environmental health terms.
Resources
![Laptop and open book sitting on desk](/pha-guidance/images/Research_sml.jpg?_=28673)
This stores various types of information sources that you will need when performing the different phases of the PHA process, such as ATSDR guidance documents and available data sources.
Toolbox
![Red toolbox with tools](/pha-guidance/images/Toolbox_icon_sml.jpg?_=28556)
This houses the tools, such as checklists and templates, that are included within the individual PHAGM sections. These tools are useful to the health assessor during the PHA process.
[ATSDR] Agency for Toxic Substances and Disease Registry. 2022. Public health assessment guidance manual. Atlanta: US Department of Health and Human Services [accessed {insert PHAGM access date}]. Available from: https://www.atsdr.cdc.gov/pha-guidance/index.html.