{"hq_id":"hq-c-ino-000025","name":"Selenium","context":"human_adult","timestamp":"2026-10-27T17:11:31.891Z","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-000025","sha256":"37c8d652f831827c4d74e250b43fb1a539b46e44ab6a66b57c3e10d76b797fd0"}]},"risk_level":"moderate","risk_profile":{"magnitude":{"mean":0.3,"weightedMean":0.3,"std_dev":0,"confidence_interval_95":[0.3,0.3],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.3,"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 moderate risk.","confidence_note":"Evidence quality varies; interpretation requires caution.","context_note":null,"warning":"single_source_warning"},"sources":[{"id":"atsdr_selenium_tox","type":"regulatory","title":"ATSDR: Toxicological Profile for Selenium — Narrow Therapeutic Window, Selenosis Signs, Brazil Nuts, Kesterson Reservoir, and Aquatic Bioaccumulation","year":2003},{"id":"epa_selenium_iris","type":"regulatory","title":"US EPA IRIS: Selenium — Oral Reference Dose, Drinking Water MCL (50 ppb), Aquatic Life Criterion (1.5 μg/L tissue-based), and Selenosis Endpoint","year":2016},{"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":"r60-2026-09-25-d449-iris-472","type":"regulatory","title":"Selenium and Compounds | CASRN 7782-49-2 | DTXSID9021261 | IRIS | US EPA, ORD","url":"https://iris.epa.gov/ChemicalLanding/&substance_nmbr=472"},{"id":"r60-2026-10-01-dd54-hc-trvs-v2-h128-1-11-638","type":"regulatory","title":"Federal Contaminated Site Risk Assessment in Canada, Part II: Health Canada Toxicological Reference Values (TRVs) and Chemical-Specific Factors, Version 2.0","url":"http://publications.gc.ca/collections/collection_2012/sc-hc/H128-1-11-638-eng.pdf"},{"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":"r60-2026-10-03-d923-niosh-npgd0550","type":"regulatory","title":"NIOSH Pocket Guide to Chemical Hazards - Selenium","url":"https://www.cdc.gov/niosh/npg/npgd0550.html"},{"id":"r60-2026-09-24-d867-ecfr-29cfr1910.1000","type":"regulatory","title":"29 CFR 1910.1000 Air contaminants (Tables Z-1, Z-2, Z-3) — eCFR full-text XML, 2026-09-22","url":"https://www.ecfr.gov/api/versioner/v1/full/2026-09-22/title-29.xml?part=1910&section=1910.1000"},{"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":"r60-2026-10-08-d974-tedx-list-full-export","type":"reference_database","title":"TEDX List of Potential Endocrine Disruptors, full export (Excel from the publisher's own search, operator-saved 2026-10-08; list last updated September 2018)","url":"https://endocrinedisruption.org/interactive-tools/tedx-list-of-potential-endocrine-disruptors/search-the-tedx-list"},{"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-exp-cameo-chemicals-cid-6326970","type":"database","title":"CAMEO Chemicals, as recorded by PubChem (Experimental Properties, CID 6326970; where-to-look, not a source of this value)","year":2026,"url":"https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/compound/6326970/JSON?heading=Experimental+Properties"},{"id":"ctx_pred_dtxsid9021261","type":"reference","title":"EPA CompTox CTX API: predicted properties for DTXSID9021261 (Selenium)","url":"https://comptox.epa.gov/ctx-api/chemical/property/predicted/search/by-dtxsid/DTXSID9021261"},{"id":"r60-2026-10-01-echa-annex-vi-clp-table-atp23-xlsx","type":"regulatory","title":"ECHA Annex VI to CLP: the unofficial Excel table (up to and including the 23rd ATP)","url":"https://echa.europa.eu/documents/10162/17218/annex_vi_clp_table_atp23_en.xlsx/b3816c13-81a3-816d-773a-62e88c4e2700?t=1761727004499"}],"sources_scope":"context","derived_markers":[],"warnings":["unmapped_classification:EPA CTX / IRIS:d (not classifiable as to human carcinogenicity)","unmapped_classification:EPA CTX / IARC:group 3 - not classifiable as to its carcinogenici","unmapped_classification:EPA CTX / Health Canada:iom does not consider selenium carcinogenic to hum","unmapped_classification:EPA IRIS:group d not classifiable as to human carcinogenici","unmapped_classification:US EPA (CompTox genotoxicity summary):epa comptox computed genotoxicity summary: negativ","unmapped_classification:US EPA (CompTox genotoxicity summary):epa comptox computed genotoxicity summary: negativ","single_source_warning"],"meta":{"synthesis_version":"1.1.0","config_version":"1.1.0","n_sources":1,"db_version":53,"warnings":["unmapped_classification:EPA CTX / IRIS:d (not classifiable as to human carcinogenicity)","unmapped_classification:EPA CTX / IARC:group 3 - not classifiable as to its carcinogenici","unmapped_classification:EPA CTX / Health Canada:iom does not consider selenium carcinogenic to hum","unmapped_classification:EPA IRIS:group d not classifiable as to human carcinogenici","unmapped_classification:US EPA (CompTox genotoxicity summary):epa comptox computed genotoxicity summary: negativ","unmapped_classification:US EPA (CompTox genotoxicity summary):epa comptox computed genotoxicity summary: negativ"]},"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","exposure_ingestion","aquatic_life","human_teen","human_elderly","human_infant","human_pregnant","exposure_dermal","exposure_inhalation","exposure_ocular","occupational_exposure"]}