DATA SOURCES: Census Bureau ACS 2022 (income, poverty, internet, housing age) • EPA Toxics Release Inventory — facilities legally required to report releases of 600+ listed chemicals • FEMA OpenFEMA API — county-level federal disaster declarations, last 5 years. Carcinogen and PFAS classifications per EPA TRI chemical registry. AI analysis is Claude’s synthesis of public federal data and does not constitute legal or health advice.