Official Sources

Every government and standards-body source referenced across HomeRuleCheck, with a note on whether we directly checked the specific page recently or are pointing to a well-known organization's homepage.

Hazardous waste

  • U.S. EPA – Household Hazardous Waste — Federal guidance on what counts as household hazardous waste and how to manage it safely. Directly checked, last noted 2026-07-06
  • U.S. EPA – Hazardous Waste (RCRA overview) — The federal regulatory framework (RCRA) behind hazardous waste management in the U.S. Directly checked, last noted 2026-07-06
  • California Department of Toxic Substances Control – Household Hazardous Waste — California's state environmental agency page on household hazardous waste rules. Directly checked, last noted 2026-07-06
  • Ohio EPA – Dispose of Hazardous Waste — Ohio's state environmental agency guidance on disposing of specific household items. Directly checked, last noted 2026-07-06
  • Call2Recycle — A well-known nonprofit battery-recycling drop-off locator. Homepage reference — not verified this session; confirm it's still active before relying on it. Homepage reference, last noted 2026-07-06
  • Earth911 — A long-running recycling drop-off locator covering batteries, electronics, and more. Homepage reference — not verified this session. Homepage reference, last noted 2026-07-06
  • PaintCare — A paint-industry stewardship program with drop-off locations in participating states. Homepage reference — not verified this session; confirm your state participates. Homepage reference, last noted 2026-07-06

Fire & CO safety

  • U.S. Fire Administration – Smoke Alarms — FEMA's fire-safety agency guidance on smoke alarm placement, types, and replacement. Directly checked, last noted 2026-07-06
  • National Fire Protection Association (NFPA) — Publisher of NFPA 72, the national code most U.S. smoke and CO alarm placement rules are based on. Homepage reference — not a specific page verified this session. Homepage reference, last noted 2026-07-06

Electricity costs

Permits & building codes

  • Texas State Law Library – Building Codes Guide — A public legal-research guide to how Texas building codes are adopted locally. Directly checked, last noted 2026-07-06
  • International Code Council (ICC) — Publisher of the International Residential Code (IRC), the model code most U.S. cities adapt into local permit rules. Homepage reference — not a specific page verified this session. Homepage reference, last noted 2026-07-06

General home safety

  • U.S. Consumer Product Safety Commission (CPSC) — Federal agency covering product-related home safety, including alarms and batteries. Homepage reference — not a specific page verified this session. Homepage reference, last noted 2026-07-06