{"query":{"parameter":"hydrofluoric acid","place":"FR","medium":null,"statistic":null,"kind":null},"searched":{"places":["FR","EU"],"parameter_keys":["cas:7664-39-3"],"names_matched":[["hydrofluoric acid","cas:7664-39-3"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":3,"offset":0,"returned":3,"next_offset":null,"rows":[{"id":"f8687f778b845f62","parameter":"Fluorides as HF","value":"0.6-5","range":[0.6,5],"unit":"mg/Nm³","statistic":"annual_avg","direction":"max","kind":"guideline","medium":"air_emission","level":"eu","parameter_key":"cas:7664-39-3","place":["EU"],"conditions":["production of HF by the fluorspar process: tail gases after water and/or alkaline scrubbing"],"cite":{"instrument":"eu_lvic_aaf_bref","title":"BREF Large Volume Inorganic Chemicals — Ammonia, Acids and Fertilisers (2007), chapter 6 HF","issuer":null,"edition":"European IPPC Bureau, August 2007","source_url":"https://bureau-industrial-transformation.jrc.ec.europa.eu/sites/default/files/2019-11/lvic_aaf.pdf","source_sha256":"2c5b4219c78ca8f253d0846b7e843bbc6946f79d418ed6a4fbaa409fa7df6fcc","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"6.5 Table 6.15","page":310,"quote":"Fluorides as HF 0.6 – 5"}},{"id":"4b41ac94188798c0","parameter":"HF","value":"≤ 3","value_num":3,"unit":"mg/Nm³","direction":"max","kind":"limit","medium":"air_emission","level":"eu","parameter_key":"cas:7664-39-3","place":["EU"],"conditions":["baking plant in a stand-alone anode production plant (BAT 61)"],"cite":{"instrument":"eu_nfm_bat","title":"Commission Implementing Decision (EU) 2016/1032 — BAT conclusions for the non-ferrous metals industries","issuer":null,"edition":"OJ L 174, 30.6.2016 (CELLAR)","source_url":"http://publications.europa.eu/resource/celex/32016D1032","source_sha256":"1a752d504bcfdbf68ca521d73ab48fa511de01b750923089f1591f95dfa06699","fetched_at":"2026-09-25","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Table 9","page":null,"quote":"Table 9 BAT-associated emission levels for dust, BaP (as an indicator of PAH) and fluoride emissions to air from a baking plant in a stand-alone anode production plant Parameter BAT-AEL (mg/Nm 3 ) Dust 2-5 ( 46 ) BaP 0,001-0,01 ( 47 ) HF ≤ 3 ( 46 )"}},{"id":"e201b5babc4da0e7","parameter":"Gaseous fluorides, expressed as HF","value":"≤ 1","value_num":1,"unit":"mg/Nm³","statistic":"daily_avg","direction":"max","kind":"limit","medium":"air_emission","level":"eu","parameter_key":"cas:7664-39-3","place":["EU"],"conditions":["channelled emissions of an installation in the scope of the WGC BAT conclusions (chemical sector)"],"cite":{"instrument":"eu_wgc_bat","title":"Commission Implementing Decision (EU) 2022/2427 — BAT conclusions for common waste gas management and treatment systems in the chemical sector","issuer":null,"edition":"OJ L 318, 12.12.2022 (CELLAR)","source_url":"http://publications.europa.eu/resource/celex/32022D2427","source_sha256":"0b2b3f907f291ea946596a35c6b93b20ad38834ffbec6a1cc463fef3706078f7","fetched_at":"2026-09-25","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Table 1.6","page":null,"quote":"Gaseous fluorides, expressed as HF ≤ 1"}}],"next":[{"tool":"check_values","says":"Has your user measured this? check_values sets each of their results beside every row held here, with a verdict and the row's cite.","arguments":{"place":"FR"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"hydrofluoric acid\", value, unit}, ...], any other parameters too."},"post":"/api/v1/check"},{"tool":"read_certificate","says":"Has your user a laboratory certificate? read_certificate reads every row it prints, each with its page, and checks them against these limits.","arguments":{"place":"FR"},"needs":{"content_base64":"The laboratory's certificate (PDF) or its XLSX, XLS or CSV export, as base64; or file_url, a public https address of it."},"post":"/api/v1/certificate"}]}