Common Types of Site Operations and History Information
Site Operations and History Aspect |
Examples |
How Used in the PHA Process |
|---|---|---|
| Current and past activities conducted at the site |
|
Indicate potential contaminants of concern at the site |
| Current and past hazardous waste treatment, storage, and disposal practices |
|
Provide information on the potential for releases of contaminants to the environment |
| Date of specific site operations | Period during which contaminant releases may have occurred | Help identify the extent of contamination and contaminant migration |
| Uses of the site (past, current, and planned future, if different) | Areas where the public or workers may be or could have been exposed to contaminants | Provide details about exposure potential |
| Significant events in the site’s history |
|
Indicated location, types, rates, and times of contaminant releases |
Page last reviewed: August 4, 2022
Content source: Agency for Toxic Substances and Disease Registry