{"hq_id":"hq-c-org-000514","name":"Melamine","context":"human_adult","timestamp":"2026-05-01T18:28:06.670Z","risk_level":"low","risk_profile":{"magnitude":{"mean":0.2,"weightedMean":0.2,"std_dev":0,"confidence_interval_95":[0.2,0.2],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.2,"weight":0.35}]},"confidence":{"mean":0.5,"weightedMean":0.5,"std_dev":0,"confidence_interval_95":[0.5,0.5],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.5,"weight":0.35}]},"recency":{"mean":1,"weightedMean":1,"std_dev":0,"confidence_interval_95":[1,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":1,"weight":0.35}]},"methodology":{"mean":0.7,"weightedMean":0.7,"std_dev":0,"confidence_interval_95":[0.7,0.7],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.7,"weight":0.35}]},"specificity":{"mean":0.92,"weightedMean":0.92,"std_dev":0,"confidence_interval_95":[0.92,0.92],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.92,"weight":0.35}]},"consensus":{"exists":false,"strength":0,"disagreement_magnitude":0,"warning":"single_source_warning"}},"interpretation":{"summary":"Single source (HQ_DIRECT, 2026) indicates low risk.","confidence_note":"Evidence quality varies; interpretation requires caution.","context_note":null,"warning":"single_source_warning"},"sources":[],"warnings":["unmapped_classification:IARC (Group 3 — not classifiable as to carcinogenicity to humans — Vol 73, 1999; melamine; 2,4,6-triamino-1,3,5-triazine; urinary bladder urothelial tumors in male rats at very high doses — indirect mechanism via urinary crystal/calculi formation causing sustained urothelial injury and proliferative response rather than direct genotoxicity; inadequate evidence in humans; not classified for carcinogenicity by NTP, US EPA IRIS, or EFSA; 2008 Chinese infant formula contamination crisis: melamine adulterated into formula to inflate apparent protein content — caused urinary tract crystal formation and acute renal failure in tens of thousands of Chinese infants):iarc group 3 — not classifiable as to carcinogenic","unmapped_classification:EPA CTX / IARC:group 2b - possibly carcinogenic to humans","unmapped_classification:EPA CTX / EPA OPP:group d not classifiable as to human carcinogenici","unmapped_classification:EPA CTX / Genetox:genotoxicity: negative (ames: negative, 1 positive","unmapped_classification:EPA CTX / Genetox:genotoxicity: negative (ames: negative, 1 positive","single_source_warning"],"meta":{"synthesis_version":"1.0.0","config_version":"1.0.0","n_sources":1,"db_version":44,"warnings":["unmapped_classification:IARC (Group 3 — not classifiable as to carcinogenicity to humans — Vol 73, 1999; melamine; 2,4,6-triamino-1,3,5-triazine; urinary bladder urothelial tumors in male rats at very high doses — indirect mechanism via urinary crystal/calculi formation causing sustained urothelial injury and proliferative response rather than direct genotoxicity; inadequate evidence in humans; not classified for carcinogenicity by NTP, US EPA IRIS, or EFSA; 2008 Chinese infant formula contamination crisis: melamine adulterated into formula to inflate apparent protein content — caused urinary tract crystal formation and acute renal failure in tens of thousands of Chinese infants):iarc group 3 — not classifiable as to carcinogenic","unmapped_classification:EPA CTX / IARC:group 2b - possibly carcinogenic to humans","unmapped_classification:EPA CTX / EPA OPP:group d not classifiable as to human carcinogenici","unmapped_classification:EPA CTX / Genetox:genotoxicity: negative (ames: negative, 1 positive","unmapped_classification:EPA CTX / Genetox:genotoxicity: negative (ames: negative, 1 positive"]},"schema":"synthesis"}