{"query":{"parameter":"hexachlorobutadiene","place":"DE","medium":null,"statistic":null,"kind":null},"searched":{"places":["DE","EU"],"parameter_keys":["cas:87-68-3","name:hexachlorobutadiene, 1,3"],"names_matched":[["hexachlorobutadiene","cas:87-68-3"],["hexachlorobutadiene 1 3","name:hexachlorobutadiene, 1,3"]],"match":"exact+contains","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":"09199df77556383e","parameter":"Hexachlorbutadien","value":"0,6","value_num":0.6,"unit":"µg/l","statistic":"instant","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:87-68-3","place":["DE"],"conditions":["receiving_water is freshwater"],"cite":{"instrument":"de_ogewv_anl8","title":"Oberflächengewässerverordnung (OGewV) 2016, Anlage 8 Tabelle 2 — Umweltqualitätsnormen zur Beurteilung des chemischen Zustands (prioritäre Stoffe)","issuer":null,"edition":"Fundstelle: BGBl. I 2016,1424 - 1431","source_url":"https://www.gesetze-im-internet.de/ogewv_2016/anlage_8.html","source_sha256":"a008b8a7e68eb38101cdc6f028f2420c22d03804953cf75f33288789997d1284","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Anlage 8 Tabelle 2 Nr. 17, ZHK-UQN oberirdische Gewässer ohne Übergangsgewässer","page":null,"quote":"17 Hexachlorbutadien 87-68-3 0,6 0,6 55"}},{"id":"d26a4af37a0a1bf2","parameter":"Hexachlorbutadien","value":"0,6","value_num":0.6,"unit":"µg/l","statistic":"instant","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:87-68-3","place":["DE"],"conditions":["receiving_water is marine"],"cite":{"instrument":"de_ogewv_anl8","title":"Oberflächengewässerverordnung (OGewV) 2016, Anlage 8 Tabelle 2 — Umweltqualitätsnormen zur Beurteilung des chemischen Zustands (prioritäre Stoffe)","issuer":null,"edition":"Fundstelle: BGBl. I 2016,1424 - 1431","source_url":"https://www.gesetze-im-internet.de/ogewv_2016/anlage_8.html","source_sha256":"a008b8a7e68eb38101cdc6f028f2420c22d03804953cf75f33288789997d1284","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Anlage 8 Tabelle 2 Nr. 17, ZHK-UQN Übergangsgewässer und Küstengewässer","page":null,"quote":"17 Hexachlorbutadien 87-68-3 0,6 0,6 55"}},{"id":"15c275e69a9d10af","parameter":"Hexachlorbutadien","value":"55","value_num":55,"unit":"µg/kg Nassgewicht","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:87-68-3","place":["DE"],"conditions":["Biota-UQN: bezieht sich auf Fische, sofern nicht anders vermerkt (Fußnote 2)"],"cite":{"instrument":"de_ogewv_anl8","title":"Oberflächengewässerverordnung (OGewV) 2016, Anlage 8 Tabelle 2 — Umweltqualitätsnormen zur Beurteilung des chemischen Zustands (prioritäre Stoffe)","issuer":null,"edition":"Fundstelle: BGBl. I 2016,1424 - 1431","source_url":"https://www.gesetze-im-internet.de/ogewv_2016/anlage_8.html","source_sha256":"a008b8a7e68eb38101cdc6f028f2420c22d03804953cf75f33288789997d1284","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Anlage 8 Tabelle 2 Nr. 17, Biota-UQN Oberflächengewässer","page":null,"quote":"17 Hexachlorbutadien 87-68-3 0,6 0,6 55"}}],"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":"DE"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"hexachlorobutadiene\", 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":"DE"},"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"}]}