{"hq_id":"hq-c-ino-000041","name":"Thorium-232 (²³²Th)","context":"human_adult","timestamp":"2026-08-28T04:04:46.460Z","risk_level":"high","risk_profile":{"magnitude":{"mean":0.673684,"weightedMean":0.673684,"std_dev":0.299064,"confidence_interval_95":[0.95,0.95],"source_positions":[{"source":"IARC","year":2021,"value":0.95,"weight":0.41},{"source":"HQ_DIRECT","year":2026,"value":0.35,"weight":0.35}]},"confidence":{"mean":0.672632,"weightedMean":0.672632,"std_dev":0.159501,"confidence_interval_95":[0.82,0.82],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.5,"weight":0.35},{"source":"IARC","year":2021,"value":0.82,"weight":0.41}]},"recency":{"mean":0.730263,"weightedMean":0.730263,"std_dev":0.24922,"confidence_interval_95":[1,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":1,"weight":0.35},{"source":"IARC","year":2021,"value":0.5,"weight":0.41}]},"methodology":{"mean":0.861842,"weightedMean":0.861842,"std_dev":0.149532,"confidence_interval_95":[1,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.7,"weight":0.35},{"source":"IARC","year":2021,"value":1,"weight":0.41}]},"specificity":{"mean":0.828289,"weightedMean":0.828289,"std_dev":0.084735,"confidence_interval_95":[0.92,0.92],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.92,"weight":0.35},{"source":"IARC","year":2021,"value":0.75,"weight":0.41}]},"consensus":{"exists":false,"strength":0,"disagreement_magnitude":0.40775,"warning":"limited_synthesis"}},"interpretation":{"summary":"Regulatory agencies show substantial disagreement. IARC classifies as higher risk (95th percentile), while HQ_DIRECT concludes lower risk (35th percentile).","confidence_note":"Moderate-quality evidence base.","context_note":null,"warning":"limited_synthesis"},"sources":[{"id":"unscear_natural_background_radiation","type":"regulatory","title":"UNSCEAR 2008 Report Vol I Annex B: Exposures of the Public and Workers from Various Sources of Radiation (natural radioactivity incl. thorium)","year":2008,"url":"https://www.unscear.org/unscear/uploads/documents/publications/UNSCEAR_2008_Annex-B-CORR2.pdf"},{"id":"nrc_thorium_factsheet","type":"regulatory","title":"US EPA Radionuclide Basics: Thorium (incl. Th-232; alpha emitter; lung/bone cancer on inhalation)","year":2020,"url":"https://www.epa.gov/radiation/radionuclide-basics-thorium"}],"sources_scope":"context","warnings":["year_inferred:IARC:2021","limited_synthesis"],"meta":{"synthesis_version":"1.1.0","config_version":"1.1.0","n_sources":2,"db_version":35,"warnings":["year_inferred:IARC:2021"]},"schema":"synthesis","_notice":"ALETHEIA output is reference data, not professional advice. Not a substitute for primary agency sources or qualified professionals. See https://aletheia.holisticquality.io/disclaimer.","_disclaimer_url":"https://aletheia.holisticquality.io/disclaimer","available_contexts":["human_adult","human_child","exposure_ingestion","human_teen","human_elderly","human_infant","human_pregnant","exposure_dermal","exposure_inhalation","exposure_ocular","occupational_exposure"]}