{"query":{"parameter":"hydrogen cyanide","place":"DE","medium":null,"statistic":null,"kind":null},"searched":{"places":["DE","EU"],"parameter_keys":["cas:74-90-8"],"names_matched":[["hydrogen cyanide","cas:74-90-8"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":1,"offset":0,"returned":1,"next_offset":null,"rows":[{"id":"274d9e4edcf8496d","parameter":"Cyanwasserstoff","value":"3","value_num":3,"unit":"mg/m³","basis":{"t_k":273.15,"p_kpa":101.3,"dry":true,"printed":"Normzustand (273,15 K; 101,3 kPa) nach Abzug des Feuchtegehaltes an Wasserdampf (Nr. 2.5)"},"direction":"max","kind":"limit","medium":"air_emission","level":"national","parameter_key":"cas:74-90-8","place":["DE"],"conditions":["Massenstrom je Stoff über 15 g/h (Nr. 5.2.4 Klasse II)"],"cite":{"instrument":"de_ta_luft_2021","title":"Technische Anleitung zur Reinhaltung der Luft (TA Luft) 2021","issuer":null,"edition":"Erste Allgemeine Verwaltungsvorschrift zum BImSchG vom 18. August 2021 (GMBl 2021 S. 1050), official HTML","source_url":"https://www.verwaltungsvorschriften-im-internet.de/bsvwvbund_18082021_IGI25025005.htm","source_sha256":"00aced5d502c69b229b0e4b367a33d9e025edb5f7ae674a6c263fea7bec52b16","fetched_at":"2026-09-25","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"5.2.4 Klasse II","page":null,"quote":"den Massenstrom je Stoff 15 g/h oder die Massenkonzentration je Stoff 3 mg/m 3 ; Klasse III"}}],"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: \"hydrogen cyanide\", 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"}]}