{"hq_id":"hq-c-org-000193","name":"TBHQ (tert-Butylhydroquinone)","context":"human_adult","timestamp":"2026-08-28T02:44:31.575Z","risk_level":"low","risk_profile":{"magnitude":{"mean":0.2,"weightedMean":0.2,"std_dev":0,"confidence_interval_95":[0.2,0.2],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.2,"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 low risk.","confidence_note":"Evidence quality varies; interpretation requires caution.","context_note":null,"warning":"single_source_warning"},"sources":[{"id":"fda_tbhq_cfr","type":"regulatory","title":"US FDA: TBHQ (tert-Butylhydroquinone) — 21 CFR 172.185, Permitted Antioxidant in Fats and Oils, 0.02% Fat Content Limit, GRAS Status, JECFA ADI 0.7 mg/kg bw/day, and Dietary Exposure Assessment (2022)","year":2022},{"id":"efsa_tbhq_opinion_2020","type":"regulatory","title":"EFSA Panel on Food Additives: Re-evaluation of tert-Butylhydroquinone (E319) as a Food Additive — ADI 0.7 mg/kg bw/day Confirmation, Dietary Exposure Across Age Groups, Rodent Forestomach Papilloma Species Specificity, and Continued E319 Authorization (EFSA Journal 2020;18(3):6042)","year":2020}],"sources_scope":"context","warnings":["unmapped_classification:EPA CTX / Genetox:genotoxicity: positive (ames: positive, 27 positiv","unmapped_classification:EPA CTX / Genetox:genotoxicity: positive (ames: positive, 27 positiv","unmapped_classification:EPA CTX / Skin-Eye:skin irritation: skinirr2 (score: high)","unmapped_classification:EPA CTX / Skin-Eye:skin sensitization: skinsens1 (score: high)","unmapped_classification:EPA CTX / Skin-Eye:skin sensitization: category 1 (score: high)","unmapped_classification:EPA CTX / Skin-Eye:eye irritation: category 6.4a (category 2a) (score","unmapped_classification:EPA CTX / Skin-Eye:skin irritation: category 6.3a (category 2) (score","unmapped_classification:EPA CTX / Skin-Eye:skin sensitization: category 6.5b (category 1) (sc","unmapped_classification:EPA CTX / Skin-Eye:skin irritation: in vivo: severe irritation (score","unmapped_classification:EPA CTX / Skin-Eye:skin sensitisation: not likely to be sensitizing (","unmapped_classification:EPA CTX / Skin-Eye:skin sensitisation: in vivo (non-llna): not likely","unmapped_classification:EPA CTX / Skin-Eye:eye irritation: in vivo: severe irritation (score:","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 / Genetox:genotoxicity: positive (ames: positive, 27 positiv","unmapped_classification:EPA CTX / Genetox:genotoxicity: positive (ames: positive, 27 positiv","unmapped_classification:EPA CTX / Skin-Eye:skin irritation: skinirr2 (score: high)","unmapped_classification:EPA CTX / Skin-Eye:skin sensitization: skinsens1 (score: high)","unmapped_classification:EPA CTX / Skin-Eye:skin sensitization: category 1 (score: high)","unmapped_classification:EPA CTX / Skin-Eye:eye irritation: category 6.4a (category 2a) (score","unmapped_classification:EPA CTX / Skin-Eye:skin irritation: category 6.3a (category 2) (score","unmapped_classification:EPA CTX / Skin-Eye:skin sensitization: category 6.5b (category 1) (sc","unmapped_classification:EPA CTX / Skin-Eye:skin irritation: in vivo: severe irritation (score","unmapped_classification:EPA CTX / Skin-Eye:skin sensitisation: not likely to be sensitizing (","unmapped_classification:EPA CTX / Skin-Eye:skin sensitisation: in vivo (non-llna): not likely","unmapped_classification:EPA CTX / Skin-Eye:eye irritation: in vivo: severe irritation (score:"]},"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"]}