{"hq_id":"hq-c-ino-000080","name":"Titanium dioxide","context":"human_adult","timestamp":"2026-10-27T18:56:41.461Z","derived_by":{"label":"ALETHEIA-derived","engine":{"commit":"a1c6e861599cc34c5db0318ea1a7ac13a327e074","commit_source":"vercel_env","tree_clean":null},"params":{"sha256":"88ae43137e58ed0cd65588409efefee0d90253da01ef4459bf9ee25f888ec9a0","files":["axes.json","context-specificity.json","regulatory-mappings.json","synthesis-params.json","thresholds.json"]},"clock":{"year":2026},"inputs":[{"id":"hq-c-ino-000080","sha256":"970ddb6732a58ff280d939e79f207954c9cb224ccf3199756d2219168a29dc60"}]},"risk_level":"moderate_to_high","risk_profile":{"magnitude":{"mean":0.407895,"weightedMean":0.407895,"std_dev":0.099688,"confidence_interval_95":[0.3,0.5],"source_positions":[{"source":"IARC","year":2010,"value":0.5,"weight":0.41},{"source":"HQ_DIRECT","year":2026,"value":0.3,"weight":0.35}]},"confidence":{"mean":0.672632,"weightedMean":0.672632,"std_dev":0.159501,"confidence_interval_95":[0.5,0.82],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.5,"weight":0.35},{"source":"IARC","year":2010,"value":0.82,"weight":0.41}]},"recency":{"mean":0.730263,"weightedMean":0.730263,"std_dev":0.24922,"confidence_interval_95":[0.5,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":1,"weight":0.35},{"source":"IARC","year":2010,"value":0.5,"weight":0.41}]},"methodology":{"mean":0.861842,"weightedMean":0.861842,"std_dev":0.149532,"confidence_interval_95":[0.7,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.7,"weight":0.35},{"source":"IARC","year":2010,"value":1,"weight":0.41}]},"specificity":{"mean":0.828289,"weightedMean":0.828289,"std_dev":0.084735,"confidence_interval_95":[0.75,0.92],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.92,"weight":0.35},{"source":"IARC","year":2010,"value":0.75,"weight":0.41}]},"consensus":{"exists":false,"strength":0.335413,"disagreement_magnitude":0.319781,"warning":"limited_synthesis"}},"interpretation":{"summary":"Regulatory agencies show substantial disagreement. IARC classifies as higher risk (50th percentile), while HQ_DIRECT concludes lower risk (30th percentile).","confidence_note":"Moderate-quality evidence base.","context_note":null,"warning":"limited_synthesis"},"sources":[{"id":"iarc_tio2_vol93_2010","type":"regulatory","title":"IARC Monographs Volume 93: Carbon Black, Titanium Dioxide, and Talc","year":2010},{"id":"r60-2026-09-29-dd03-niosh-cib63-2011-160","type":"regulatory","title":"Current Intelligence Bulletin 63: Occupational Exposure to Titanium Dioxide","url":"https://www.cdc.gov/niosh/docs/2011-160/pdfs/2011-160.pdf"},{"id":"r60-2026-09-25-d867-niosh-npg-npgd0617","type":"regulatory","title":"CDC - NIOSH Pocket Guide to Chemical Hazards - Titanium dioxide","url":"https://www.cdc.gov/niosh/npg/npgd0617.html"},{"id":"r60-2026-09-24-d867-ecfr-29cfr1910.1000","type":"regulatory","title":"§ 1910.1000 Air contaminants.","url":"https://www.ecfr.gov/api/versioner/v1/full/2026-09-22/title-29.xml?part=1910&section=1910.1000"},{"id":"r60-2026-09-26-d867-cc1-iarc-list-of-classifications-loc-app","type":"regulatory","title":"IARC Monographs, List of Classifications","year":2026,"url":"https://monographs.iarc.who.int/list-of-classifications"},{"id":"r60-2026-09-24-d869-iarc-monographs-available","type":"regulatory","title":"IARC Monographs — Monographs available (index)","year":2026,"url":"https://monographs.iarc.who.int/monographs-available/"},{"id":"echa-chem-reach-registrations","type":"regulatory","title":"ECHA CHEM, Download all substances: REACH registrations (ECHA's own list of REACH-registered substances)","year":2026,"url":"https://chem.echa.europa.eu/"},{"id":"pubchem-computed-cid-26042","type":"database","title":"PubChem computed properties for CID 26042 (computed, not measured; as recorded by PubChem)","year":2026,"url":"https://pubchem.ncbi.nlm.nih.gov/compound/26042"},{"id":"src_pubchem_tox_26042","type":"pubchem","title":"PubChem: Toxicity section (CID 26042)","url":"https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/compound/26042/JSON?heading=Toxicity"},{"id":"r60-2026-09-27-d820-osha-annotated-table-z-1","type":"regulatory","title":"Permissible Exposure Limits – OSHA Annotated Table Z-1","url":"https://www.osha.gov/annotated-pels/table-z-1"},{"id":"doc-2026-10-03-d975-ecotox-ascii-09-15-2026","type":"database","title":"EPA ECOTOX Knowledgebase ASCII release ecotox_ascii_09_15_2026","url":"https://gaftp.epa.gov/ecotox/ecotox_ascii_09_15_2026.zip"},{"id":"r60-2026-09-30-d918-oehha-prop65-list-csv-own-url","type":"regulatory","title":"OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26)","url":"https://oehha.ca.gov/sites/default/files/media/2025-01/p65chemicalslist.csv"},{"id":"pubchem-computed-structure-cid-26042","type":"database","title":"PubChem computed structure descriptors for CID 26042 (computed, not measured; as recorded by PubChem)","year":2026,"url":"https://pubchem.ncbi.nlm.nih.gov/compound/26042"}],"sources_scope":"record","derived_markers":[],"warnings":["limited_synthesis"],"meta":{"synthesis_version":"1.1.0","config_version":"1.1.0","n_sources":2,"db_version":43},"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","aquatic_life","human_teen","human_elderly","human_infant","human_pregnant","exposure_dermal","exposure_inhalation","exposure_ingestion","exposure_ocular","occupational_exposure"]}