{"hq_id":"hq-c-org-000012","name":"PCBs (Polychlorinated Biphenyls)","context":"human_adult","timestamp":"2026-06-17T21:55:11.258Z","risk_level":"severe","risk_profile":{"magnitude":{"mean":0.755486,"weightedMean":0.755486,"std_dev":0.12992,"confidence_interval_95":[0.65,0.95],"source_positions":[{"source":"IARC","year":2013,"value":0.95,"weight":0.41},{"source":"US EPA","year":1996,"value":0.75,"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":0.743901,"weightedMean":0.743901,"std_dev":0.136238,"confidence_interval_95":[0.82,0.82],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.5,"weight":0.35},{"source":"IARC","year":2013,"value":0.82,"weight":0.41},{"source":"US EPA","year":1996,"value":0.82,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.82,"weight":0.30176}]},"recency":{"mean":0.591841,"weightedMean":0.591841,"std_dev":0.233646,"confidence_interval_95":[0.5,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":1,"weight":0.35},{"source":"IARC","year":2013,"value":0.5,"weight":0.41},{"source":"US EPA","year":1996,"value":0.5,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.368,"weight":0.30176}]},"methodology":{"mean":0.928657,"weightedMean":0.928657,"std_dev":0.127723,"confidence_interval_95":[1,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.7,"weight":0.35},{"source":"IARC","year":2013,"value":1,"weight":0.41},{"source":"US EPA","year":1996,"value":1,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":1,"weight":0.30176}]},"specificity":{"mean":0.790428,"weightedMean":0.790428,"std_dev":0.072376,"confidence_interval_95":[0.92,0.92],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.92,"weight":0.35},{"source":"IARC","year":2013,"value":0.75,"weight":0.41},{"source":"US EPA","year":1996,"value":0.75,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.75,"weight":0.30176}]},"consensus":{"exists":false,"strength":0.133867,"disagreement_magnitude":0.339684,"warning":null}},"interpretation":{"summary":"Regulatory agencies show substantial disagreement. IARC classifies as higher risk (95th 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","unmapped_classification:EPA CTX / IRIS:b2 (probable human carcinogen - based on sufficien","unmapped_classification:EPA CTX / EPA OPP:group b2 probable human carcinogen ","unmapped_classification:Stockholm Convention:annex a (elimination) and annex c (unintentional p","unmapped_classification:Basel Convention:annex viii (y10) — hazardous-waste category for pc","unmapped_classification:ECHA:eu pops regulation 2019/1021 — pcb annex iv/v conc","unmapped_classification:Health Canada:cepa schedule 1 — polychlorinated biphenyls; pcb r","unmapped_classification:METI:pcb special measures law — japan","unmapped_classification:AICIS:australia national pcb management plan — phase-out"],"meta":{"synthesis_version":"1.1.0","config_version":"1.1.0","n_sources":4,"db_version":33,"warnings":["year_inferred:EPA CTX / NTP RoC:2021","unmapped_classification:EPA CTX / IRIS:b2 (probable human carcinogen - based on sufficien","unmapped_classification:EPA CTX / EPA OPP:group b2 probable human carcinogen ","unmapped_classification:Stockholm Convention:annex a (elimination) and annex c (unintentional p","unmapped_classification:Basel Convention:annex viii (y10) — hazardous-waste category for pc","unmapped_classification:ECHA:eu pops regulation 2019/1021 — pcb annex iv/v conc","unmapped_classification:Health Canada:cepa schedule 1 — polychlorinated biphenyls; pcb r","unmapped_classification:METI:pcb special measures law — japan","unmapped_classification:AICIS:australia national pcb management plan — phase-out"]},"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"}