{"query":{"parameter":"2 4 toluenediamine","place":"CA-QC","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-QC","CA"],"parameter_keys":["cas:95-80-7","cas:106917-60-6","cas:106917-63-9","cas:106917-61-7","cas:25376-45-8","cas:496-72-0"],"names_matched":[["2 4 toluenediamine","cas:95-80-7"],["2 n tert butyl 2 4 toluenediamine","cas:106917-60-6"],["4 n 5 di tert butyl 2 4 toluenediamine","cas:106917-63-9"],["4 n tert butyl 2 4 toluenediamine","cas:106917-61-7"],["2 4 toluene diamine","cas:25376-45-8","2 4 toluene diamine"],["2 4 toluene diamine","cas:496-72-0","2 4 toluene diamine"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":10,"names":["2-N-tert-Butyl-2,4-toluenediamine","4-N-tert-Butyl-2,4-toluenediamine","4-N-5-di-tert-Butyl-2,4-toluenediamine","Diaminotoluène (mélange d'isomères)","Toluène-3,4-diamine"],"says":"10 rows share a parameter key with a longer name holding \"2 4 toluenediamine\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"2 4 toluenediamine\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":2,"offset":0,"returned":2,"next_offset":null,"rows":[{"id":"86d5236129f6e6df","parameter":"Toluene-2,4-diamine and isomers","value":"0.76","value_num":0.76,"unit":"µg/m³","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"ambient_air","level":"regional","parameter_key":"cas:95-80-7","place":["CA-QC"],"conditions":[],"cite":{"instrument":"ca_qc_air","title":"MELCCFP — Normes et critères québécois de qualité de l'atmosphère (version 11)","issuer":null,"edition":"Version 11","source_url":"https://environnement.gouv.qc.ca/air/criteres/normes-criteres-qualite-atmosphere.xlsx","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"column":"valeur"}},{"id":"9f627742596b296b","parameter":"Toluene-2,4-diamine and isomers","value":"0.00002","value_num":0.00002,"unit":"µg/m³","statistic":"annual_avg","direction":"max","kind":"guideline","medium":"ambient_air","level":"regional","parameter_key":"cas:95-80-7","place":["CA-QC"],"conditions":[],"cite":{"instrument":"ca_qc_air","title":"MELCCFP — Normes et critères québécois de qualité de l'atmosphère (version 11)","issuer":null,"edition":"Version 11","source_url":"https://environnement.gouv.qc.ca/air/criteres/normes-criteres-qualite-atmosphere.xlsx","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"column":"valeur"}}],"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":"CA-QC"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"2 4 toluenediamine\", 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":"CA-QC"},"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"}]}