GOVERNMENT RECORD
EPA questions and answers about its draft PFAS risk assessment
Agency explanation of risk modeling, exposure pathways, data gaps and site-specific factors.
Relevant excerpt or notes
Producer: United States Environmental Protection Agency Source class: Primary record or first-party statement. What it supports: Agency explanation of risk modeling, exposure pathways, data gaps and site-specific factors. Limitations: The 1 ppb examples are modeled scenarios, not a universal safe-or-unsafe boundary. The assessment does not model the general public as a single exposed population. Publication date: not established in this review. Reviewed September 19, 2026.