{"hq_id":"hq-c-mix-000001","name":"PFAS (Per- and Polyfluoroalkyl Substances)","context":"human_adult","timestamp":"2026-05-01T15:31:00.860Z","risk_level":"severe","risk_profile":{"magnitude":{"mean":0.788247,"weightedMean":0.788247,"std_dev":0.133925,"confidence_interval_95":[0.75,0.95],"source_positions":[{"source":"IARC","year":2023,"value":0.95,"weight":0.45018},{"source":"US EPA","year":2016,"value":0.75,"weight":0.41},{"source":"HQ_DIRECT","year":2026,"value":0.625,"weight":0.35}]},"confidence":{"mean":0.727452,"weightedMean":0.727452,"std_dev":0.145087,"confidence_interval_95":[0.82,0.82],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.5,"weight":0.35},{"source":"IARC","year":2023,"value":0.82,"weight":0.45018},{"source":"US EPA","year":2016,"value":0.82,"weight":0.41}]},"recency":{"mean":0.662834,"weightedMean":0.662834,"std_dev":0.216059,"confidence_interval_95":[0.549,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":1,"weight":0.35},{"source":"IARC","year":2023,"value":0.549,"weight":0.45018},{"source":"US EPA","year":2016,"value":0.5,"weight":0.41}]},"methodology":{"mean":0.913236,"weightedMean":0.913236,"std_dev":0.136019,"confidence_interval_95":[1,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.7,"weight":0.35},{"source":"IARC","year":2023,"value":1,"weight":0.45018},{"source":"US EPA","year":2016,"value":1,"weight":0.41}]},"specificity":{"mean":0.799166,"weightedMean":0.799166,"std_dev":0.077078,"confidence_interval_95":[0.92,0.92],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.92,"weight":0.35},{"source":"IARC","year":2023,"value":0.75,"weight":0.45018},{"source":"US EPA","year":2016,"value":0.75,"weight":0.41}]},"consensus":{"exists":false,"strength":0.107167,"disagreement_magnitude":0.325677,"warning":null}},"interpretation":{"summary":"Regulatory agencies show substantial disagreement. IARC classifies as higher risk (95th percentile), while HQ_DIRECT concludes lower risk (63th percentile).","confidence_note":"Moderate-quality evidence base. Disagreement reflects methodological and interpretive differences, not data quality issues.","context_note":"PFOA classified IARC Group 1 (2023). EPA 2024 MCL 4 ppt. Known immunotoxicant at low exposure levels.","warning":null},"sources":[],"meta":{"synthesis_version":"1.0.0","config_version":"1.0.0","n_sources":3,"db_version":14},"schema":"synthesis"}