{"query":{"parameter":"2 pentene","place":"CA-QC","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-QC","CA"],"parameter_keys":["cas:109-68-2","cas:107-40-4","cas:763-29-1","cas:922-62-3","cas:4914-92-5","cas:6362-80-7","cas:4461-48-7","cas:627-20-3","cas:691-38-3","cas:646-04-8","cas:674-76-0","cas:107-39-1","cas:13284-42-9"],"names_matched":[["2 pentene","cas:109-68-2"],["2 4 4 trimethyl 2 pentene","cas:107-40-4"],["2 methyl 1 pentene","cas:763-29-1"],["2 pentene 2 4 4 trimethyl","cas:107-40-4"],["2 pentene 3 methyl 2z","cas:922-62-3"],["2e 3 4 dimethyl 2 pentene","cas:4914-92-5"],["4 methyl 2 4 diphenyl 1 pentene","cas:6362-80-7"],["4 methyl 2 pentene","cas:4461-48-7"],["cis 2 pentene","cas:627-20-3"],["cis 3 methyl 2 pentene","cas:922-62-3"],["cis 4 methyl 2 pentene","cas:691-38-3"],["methyl 2 pentene 1","cas:763-29-1"],["trans 2 pentene","cas:646-04-8"],["trans 4 methyl 2 pentene","cas:674-76-0"],["trimethyl 2 4 4 pentene 1","cas:107-39-1"],["1 pentene 2 4 4 trimethyl","cas:107-39-1","pentene 2"],["diisobutylene trimethyl 1 pentene 2 4 4","cas:107-39-1","pentene 2"],["pentene 2 nitrile","cas:13284-42-9","pentene 2"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":24,"names":["Méthyl-2 pentène-1","2,4,4-Triméthyl-2-pentène","cis-3-Methyl-2-pentene","(2E)-3,4-Dimethyl-2-pentene","alpha-Methylstyrene dimer","trans-4-Methyl-2-pentene","4-Methyl-2-pentene","cis-2-Pentene"],"says":"24 rows share a parameter key with a longer name holding \"2 pentene\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"2 pentene\" 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":"e9ffede408f35cb8","parameter":"2-Pentene","value":"14.2","value_num":14.2,"unit":"µg/m³","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"ambient_air","level":"regional","parameter_key":"cas:109-68-2","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":"afcbb1af97167884","parameter":"2-Pentene","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:109-68-2","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: \"2 pentene\", 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"}]}