{"query":{"parameter":"ethyl methacrylate","place":"CA-QC","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-QC","CA"],"parameter_keys":["cas:97-63-2","cas:2867-47-2","cas:96591-17-2","cas:43127-23-7","cas:67584-55-8"],"names_matched":[["ethyl methacrylate","cas:97-63-2"],["2 dimethylamino ethyl methacrylate","cas:2867-47-2"],["fatty acids linseed oil reaction products with 2 amino 2 hydroxymethyl 1 3 propanediol and formaldehyde polymers with bu methacrylate 2 diethylamino ethyl methacrylate 2 hydroxyethyl acrylate and me methacrylate","cas:96591-17-2"],["2 propenoic acid 2 methyl 2 dimethylamino ethyl ester homopolymer acetate","cas:43127-23-7","2 propenoic acid 2 methyl ethyl ester"],["2 propenoic acid 2 methyl nonafluorobutyl sulfonyl amino ethyl ester","cas:67584-55-8","2 propenoic acid 2 methyl ethyl ester"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":8,"names":["Méthacrylate de N,N-diméthylaminoéthyle","Fatty acids, linseed-oil, reaction products with 2-amino-2-(hydroxymethyl)-1,3-propanediol and formaldehyde, polymers with Bu methacrylate, 2-(diethylamino)ethyl methacrylate, 2-hydroxyethyl acrylate and Me methacrylate","2-Methyl-2-propenoic acid, 2-(dimethylamino)ethyl ester, homopolymer","2-(Methyl((nonafluorobutyl)sulfonyl)amino)ethyl acrylate"],"says":"8 rows share a parameter key with a longer name holding \"ethyl methacrylate\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"ethyl methacrylate\" 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":"e4bd086ea6f2b3d9","parameter":"Méthacrylate d'éthyle","value":"3.63","value_num":3.63,"unit":"µg/m³","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"ambient_air","level":"regional","parameter_key":"cas:97-63-2","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":"58b10f529e20e1a3","parameter":"Méthacrylate d'éthyle","value":"0.6","value_num":0.6,"unit":"µg/m³","statistic":"annual_avg","direction":"max","kind":"guideline","medium":"ambient_air","level":"regional","parameter_key":"cas:97-63-2","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: \"ethyl methacrylate\", 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"}]}