{"hq_id":"hq-c-org-000064","name":"N-Nitrosodiethylamine (NDEA)","context":"human_adult","timestamp":"2026-06-11T22:26:51.210Z","risk_level":"severe","risk_profile":{"magnitude":{"mean":0.705265,"weightedMean":0.705265,"std_dev":0.06154,"confidence_interval_95":[0.65,0.8],"source_positions":[{"source":"EPA CTX / CalEPA","year":2021,"value":0.8,"weight":0.30176},{"source":"US EPA","year":1987,"value":0.75,"weight":0.41},{"source":"IARC","year":1987,"value":0.7,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.65,"weight":0.30176},{"source":"HQ_DIRECT","year":2026,"value":0.625,"weight":0.35}]},"confidence":{"mean":0.756849,"weightedMean":0.756849,"std_dev":0.127359,"confidence_interval_95":[0.82,0.82],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.5,"weight":0.35},{"source":"IARC","year":1987,"value":0.82,"weight":0.41},{"source":"US EPA","year":1987,"value":0.82,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.82,"weight":0.30176},{"source":"EPA CTX / CalEPA","year":2021,"value":0.82,"weight":0.30176}]},"recency":{"mean":0.553755,"weightedMean":0.553755,"std_dev":0.228859,"confidence_interval_95":[0.5,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":1,"weight":0.35},{"source":"IARC","year":1987,"value":0.5,"weight":0.41},{"source":"US EPA","year":1987,"value":0.5,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.368,"weight":0.30176},{"source":"EPA CTX / CalEPA","year":2021,"value":0.368,"weight":0.30176}]},"methodology":{"mean":0.940796,"weightedMean":0.940796,"std_dev":0.119399,"confidence_interval_95":[1,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.7,"weight":0.35},{"source":"IARC","year":1987,"value":1,"weight":0.41},{"source":"US EPA","year":1987,"value":1,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":1,"weight":0.30176},{"source":"EPA CTX / CalEPA","year":2021,"value":1,"weight":0.30176}]},"specificity":{"mean":0.783549,"weightedMean":0.783549,"std_dev":0.067659,"confidence_interval_95":[0.92,0.92],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.92,"weight":0.35},{"source":"IARC","year":1987,"value":0.75,"weight":0.41},{"source":"US EPA","year":1987,"value":0.75,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.75,"weight":0.30176},{"source":"EPA CTX / CalEPA","year":2021,"value":0.75,"weight":0.30176}]},"consensus":{"exists":false,"strength":0.589733,"disagreement_magnitude":0.308845,"warning":null}},"interpretation":{"summary":"Regulatory agencies show substantial disagreement. EPA CTX / CalEPA classifies as higher risk (80th percentile), while HQ_DIRECT concludes lower risk (63th percentile).","confidence_note":"Moderate-quality evidence base. Disagreement reflects methodological and interpretive differences, not data quality issues.","context_note":null,"warning":null},"sources":[],"warnings":["year_inferred:EPA CTX / NTP RoC:2021","year_inferred:EPA CTX / CalEPA:2021","unmapped_classification:EPA CTX / IRIS:b2 (probable human carcinogen - based on sufficien","unmapped_classification:EPA CTX / Genetox:genotoxicity: positive (ames: positive, 29 positiv","unmapped_classification:EPA CTX / Genetox:genotoxicity: positive (ames: positive, 29 positiv"],"meta":{"synthesis_version":"1.1.0","config_version":"1.1.0","n_sources":5,"db_version":44,"warnings":["year_inferred:EPA CTX / NTP RoC:2021","year_inferred:EPA CTX / CalEPA:2021","unmapped_classification:EPA CTX / IRIS:b2 (probable human carcinogen - based on sufficien","unmapped_classification:EPA CTX / Genetox:genotoxicity: positive (ames: positive, 29 positiv","unmapped_classification:EPA CTX / Genetox:genotoxicity: positive (ames: positive, 29 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"}