United States
- FoodSafety.gov — Cold Food Storage Chart — refrigerator and freezer figures.
- USDA FoodKeeper — item-level storage detail.
- USDA FSIS — Leftovers and Food Safety — 2-hour rule, 3–4 day rule, 165 °F reheating.
- USDA FSIS — Freezing and Food Safety — indefinite frozen safety, quality targets, refreezing.
- USDA FSIS — The Big Thaw — approved thawing methods.
- USDA FSIS — Keeping Food Safe During an Emergency — outage rules.
- FDA — Are You Storing Food Safely? — temperatures and general storage.
- FDA — Infant Formula Safety — formula preparation and dating.
European Union / United Kingdom
- EFSA — Food Date Labelling — use-by vs best-before meaning.
- EU Regulation 1169/2011 — date-marking law.
- UK Food Standards Agency — chilled storage and date-label guidance.
Retrieval and review status: sources last checked May 2026 for method v1.1 — see the source status page. Broken or outdated source links can be reported via Corrections. A machine-readable copy of the storage dataset is available on the data download page.