{"query":{"parameter":"carbon tetrachloride","place":"DE","medium":null,"statistic":null,"kind":null},"searched":{"places":["DE","EU"],"parameter_keys":["cas:56-23-5"],"names_matched":[["carbon tetrachloride","cas:56-23-5"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":2,"offset":0,"returned":2,"next_offset":null,"rows":[{"id":"3103f1bf2d92635e","parameter":"Tetrachlor- kohlenstoff","value":"12","value_num":12,"unit":"µg/l","statistic":"annual_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:56-23-5","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. 6a, JD-UQN oberirdische Gewässer ohne Übergangsgewässer","page":null,"quote":"6a Tetrachlor- kohlenstoff 56-23-5 12 12 nicht anwendbar nicht anwendbar"}},{"id":"0b3a757dbfb05b8a","parameter":"Tetrachlor- kohlenstoff","value":"12","value_num":12,"unit":"µg/l","statistic":"annual_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:56-23-5","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. 6a, JD-UQN Übergangsgewässer und Küstengewässer","page":null,"quote":"6a Tetrachlor- kohlenstoff 56-23-5 12 12 nicht anwendbar nicht anwendbar"}}],"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: \"carbon tetrachloride\", 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"}]}