{"hq_id":"hq-c-ino-000059","name":"Fluorosilicic acid","context":"human_adult","timestamp":"2026-08-28T04:05:32.012Z","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":"epa_fluoride_mcl_2015","type":"regulatory","title":"US EPA Fluoride MCL 4 mg/L SMCL 2 mg/L; Fluorosilicic Acid 77% US Water Fluoridation; Phosphate Fertilizer Manufacturing Byproduct; Hydrolysis to Fluoride Ion Complete at Dilution; No Separate Carcinogenicity Classification; 0.7 mg/L Optimal CDC Recommendation","year":2015},{"id":"cdc_water_fluoridation_manual_2020","type":"regulatory","title":"CDC Community Water Fluoridation Operational Manual 2020: 10 Great Public Health Achievements; Dental Caries Prevention; 0.7 mg/L Optimal Level 2015 Update from 0.7–1.2; Infant Formula Reconstitution Guidance; Fluorosilicic Acid Chemistry and Handling","year":2020}],"sources_scope":"record","warnings":["unmapped_classification:US EPA (SDWA/NPDWR):no carcinogenicity classification; regulated as a ","unmapped_classification:EPA CTX / Genetox:genotoxicity: negative (ames: negative, 0 positive","unmapped_classification:EPA CTX / Genetox:genotoxicity: negative (ames: negative, 0 positive","single_source_warning"],"meta":{"synthesis_version":"1.1.0","config_version":"1.1.0","n_sources":1,"db_version":36,"warnings":["unmapped_classification:US EPA (SDWA/NPDWR):no carcinogenicity classification; regulated as a ","unmapped_classification:EPA CTX / Genetox:genotoxicity: negative (ames: negative, 0 positive","unmapped_classification:EPA CTX / Genetox:genotoxicity: negative (ames: negative, 0 positive"]},"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"]}