{"hq_id":"hq-c-org-000538","name":"Carbon black","context":"human_adult","timestamp":"2026-10-27T20:14:55.963Z","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-000538","sha256":"63ed02c113e2f443778e4fb6f96ea791d9632ef5f8f038a251e2f1f438ca51c2"}]},"risk_level":"moderate_to_high","risk_profile":{"magnitude":{"mean":0.535816,"weightedMean":0.535816,"std_dev":0.178081,"confidence_interval_95":[0.35,0.8],"source_positions":[{"source":"EPA CTX / CalEPA","year":2021,"value":0.8,"weight":0.30176},{"source":"IARC","year":2010,"value":0.5,"weight":0.41},{"source":"HQ_DIRECT","year":2026,"value":0.35,"weight":0.35}]},"confidence":{"mean":0.714515,"weightedMean":0.714515,"std_dev":0.150427,"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},{"source":"EPA CTX / CalEPA","year":2021,"value":0.82,"weight":0.30176}]},"recency":{"mean":0.627305,"weightedMean":0.627305,"std_dev":0.26675,"confidence_interval_95":[0.368,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":1,"weight":0.35},{"source":"IARC","year":2010,"value":0.5,"weight":0.41},{"source":"EPA CTX / CalEPA","year":2021,"value":0.368,"weight":0.30176}]},"methodology":{"mean":0.901108,"weightedMean":0.901108,"std_dev":0.141025,"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},{"source":"EPA CTX / CalEPA","year":2021,"value":1,"weight":0.30176}]},"specificity":{"mean":0.806039,"weightedMean":0.806039,"std_dev":0.079914,"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},{"source":"EPA CTX / CalEPA","year":2021,"value":0.75,"weight":0.30176}]},"consensus":{"exists":false,"strength":0,"disagreement_magnitude":0.314261,"warning":null}},"interpretation":{"summary":"Regulatory agencies show substantial disagreement. EPA CTX / CalEPA classifies as higher risk (80th percentile), while HQ_DIRECT concludes lower risk (35th percentile).","confidence_note":"Moderate-quality evidence base. Disagreement reflects methodological and interpretive differences, not data quality issues.","context_note":null,"warning":null},"sources":[{"id":"iarc_carbon_black_2010","type":"regulatory","title":"IARC Monographs Volume 65 1996 Volume 93 2010 Carbon Black Group 2B; Pulmonary Overload Rat Inhalation Lung Tumors; PAH Surface Content Benzo[a]pyrene Extractable; NIOSH REL 3.5 mg/m3 ACGIH TLV 3 mg/m3; Tire Wear Particles TWP; Furnace Black Channel Black; REACH No SVHC; TRAP Traffic-Related Air Pollution","year":2010},{"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":"r60-2026-09-30-d899-s1-b08-niosh-npg-npgd0102-carbon-black","type":"regulatory","title":"CDC - NIOSH Pocket Guide to Chemical Hazards - Carbon black","url":"https://www.cdc.gov/niosh/npg/npgd0102.html"},{"id":"r60-2026-09-27-d820-osha-annotated-table-z-1","type":"regulatory","title":"Permissible Exposure Limits – OSHA Annotated Table Z-1 | Occupational Safety and Health Administration","url":"https://www.osha.gov/annotated-pels/table-z-1"},{"id":"r60-2026-09-30-d918-oehha-prop65-list-csv-own-url","type":"regulatory","title":"PROPOSITION 65 LIST OF CARCINOGENS OR REPRODUCTIVE TOXICANTS","year":2026,"url":"https://oehha.ca.gov/sites/default/files/media/2025-01/p65chemicalslist.csv"},{"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":"src_pubchem_tox_5462310","type":"pubchem","title":"PubChem: Toxicity section (CID 5462310)","url":"https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/compound/5462310/JSON?heading=Toxicity"},{"id":"r60-2026-10-02-d983-ac4-ctx-apis-data-domains","type":"regulatory","title":"Computational Toxicology and Exposure APIs: Data Domains (EPA CCTE)","url":"https://www.epa.gov/comptox-tools/computational-toxicology-and-exposure-apis-data-domains"},{"id":"r60-2026-10-02-d983-ac4-ctx-dashboard-release-notes","type":"regulatory","title":"CompTox Chemicals Dashboard: Release Notes (EPA)","url":"https://www.epa.gov/chemical-research/comptox-chemicals-dashboard-release-notes"},{"id":"pubchem-computed-cid-5462310","type":"database","title":"PubChem computed properties for CID 5462310 (computed, not measured; as recorded by PubChem)","year":2026,"url":"https://pubchem.ncbi.nlm.nih.gov/compound/5462310"}],"sources_scope":"record","derived_markers":[],"warnings":["year_inferred:EPA CTX / CalEPA:2021","unmapped_classification:EPA CTX / NIOSH:potential occupational carcinogen","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"],"meta":{"synthesis_version":"1.1.0","config_version":"1.1.0","n_sources":3,"db_version":40,"warnings":["year_inferred:EPA CTX / CalEPA:2021","unmapped_classification:EPA CTX / NIOSH:potential occupational carcinogen","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","aquatic_life","human_teen","human_elderly","human_infant","human_pregnant"]}