{"query":{"parameter":"methyl methacrylate","place":"CA-QC","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-QC","CA"],"parameter_keys":["cas:80-62-6","cas:64614-15-9","cas:25035-69-2","cas:25750-06-5","cas:9011-14-7","cas:42767-92-0","cas:54626-91-4"],"names_matched":[["methyl methacrylate","cas:80-62-6"],["butyl methacrylate butyl acrylate styrene methyl methacrylate propylene glycol monoacrylate acrylic acid polymer","cas:64614-15-9"],["methacrylic acid butyl acrylate methyl methacrylate polymer","cas:25035-69-2"],["methyl methacrylate 2 ethylhexyl acrylate styrene polymer","cas:25750-06-5"],["methyl methacrylate homopolymer","cas:9011-14-7"],["2 propenoic acid 2 methyl methyl ester polymer with butyl 2 propenoate ethenylbenzene and 2 hydroxyethyl 2 propenoate","cas:42767-92-0","2 propenoic acid 2 methyl methyl ester"],["2 propenoic acid 2 methyl methyl ester polymer with ethenol and ethenyl acetate","cas:54626-91-4","2 propenoic acid 2 methyl methyl 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":12,"names":["2-Methyl-2-propenoic acid, butyl ester, polymer with butyl 2-propenoate, ethenylbenzene, methyl 2-methyl-2-propenoate, 1,2-propanediol mono-2-propenoate and 2-propenoic acid","Copolymère de l'acide de méthyl-2 propèn-2 oïque, du propénoate-2 de butyle et du méthyl-2 propénoate-2 de méthyle","2-Methyl-2-propenoic acid methyl ester, polymer with ethenylbenzene and 2-ethylhexyl 2-propenoate","Polyméthacrylate de méthyle","2-Methyl-2-propenoic acid, methyl ester, polymer with butyl 2-propenoate, ethenylbenzene and 2-hydroxyethyl 2-propenoate","2-Methyl-2-propenoic acid methyl ester, polymer with ethenol and ethenyl acetate"],"says":"12 rows share a parameter key with a longer name holding \"methyl methacrylate\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"methyl 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":"142a9afc76479c4f","parameter":"Méthyle, méthacrylate de","value":"200","value_num":200,"unit":"µg/m³","statistic":"four_minute_avg","direction":"max","kind":"limit","medium":"ambient_air","level":"regional","parameter_key":"cas:80-62-6","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":"d95ee8252e187e8f","parameter":"Méthyle, méthacrylate de","value":"0","value_num":0,"unit":"µg/m³","statistic":"four_minute_avg","direction":"max","kind":"printed_reference","medium":"ambient_air","level":"regional","parameter_key":"cas:80-62-6","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":"concentration_initiale"}}],"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: \"methyl 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"}]}