{"hq_id":"hq-c-org-000234","name":"Dichloroacetonitrile (DCAN)","context":"human_adult","timestamp":"2026-10-27T18:09:49.969Z","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-org-000234","sha256":"26d3a12316926dc2a8faa222eec6498c6a1aa5994c55fb9755fb170d8b6f1c62"}]},"risk_level":"moderate","risk_profile":{"magnitude":{"mean":0.35,"weightedMean":0.35,"std_dev":0,"confidence_interval_95":[0.35,0.35],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.35,"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":"epa_ccl5_2022","type":"regulatory","title":"US EPA: Contaminant Candidate List 5 (CCL5) — Unregulated Drinking Water Contaminants for Potential Future Regulation, Including Haloacetonitriles, Nitrosamines, and Other DBPs (2022)","year":2022},{"id":"who_dwq_guidelines_2022","type":"regulatory","title":"WHO Guidelines for Drinking-water Quality (4th edition, incorporating the 1st and 2nd addenda, 2022) — Disinfection Byproducts: THMs, HAAs, Chlorite, Bromate, Chloral Hydrate; Guideline Values and Health Basis","year":2022},{"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":"r60-2026-09-30-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-18177","type":"database","title":"CAMEO Chemicals, as recorded by PubChem (Experimental Properties, CID 18177; where-to-look, not a source of this value)","year":2026,"url":"https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/compound/18177/JSON?heading=Experimental+Properties"},{"id":"pubchem-exp-haz-map-information-on-hazardous-chemica-cid-18177","type":"database","title":"Haz-Map, Information on Hazardous Chemicals and Occupational Diseases, as recorded by PubChem (Experimental Properties, CID 18177; where-to-look, not a source of this value)","year":2026,"url":"https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/compound/18177/JSON?heading=Experimental+Properties"},{"id":"ctx_pred_dtxsid3021562","type":"reference","title":"EPA CompTox CTX API: predicted properties for DTXSID3021562 (Dichloroacetonitrile (DCAN))","url":"https://comptox.epa.gov/ctx-api/chemical/property/predicted/search/by-dtxsid/DTXSID3021562"}],"sources_scope":"context","derived_markers":[],"warnings":["unmapped_classification:EPA CTX / IARC:group 3 - not classifiable as to its carcinogenici","unmapped_classification:US EPA (CompTox genotoxicity summary):epa comptox computed genotoxicity summary: positiv","unmapped_classification:US EPA (CompTox genotoxicity summary):epa comptox computed genotoxicity summary: positiv","single_source_warning"],"meta":{"synthesis_version":"1.1.0","config_version":"1.1.0","n_sources":1,"db_version":46,"warnings":["unmapped_classification:EPA CTX / IARC:group 3 - not classifiable as to its carcinogenici","unmapped_classification:US EPA (CompTox genotoxicity summary):epa comptox computed genotoxicity summary: positiv","unmapped_classification:US EPA (CompTox genotoxicity summary):epa comptox computed genotoxicity summary: positiv"]},"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"]}