{"query":{"parameter":"coal","place":"CA-QC","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-QC","CA"],"parameter_keys":["cas:125612-26-2","cas:129521-66-0","cas:65996-79-4","cas:8007-45-2","cas:65996-92-1","cas:65996-78-3","cas:68131-80-6","cas:65996-93-2","cas:84650-04-4","cas:65996-91-0"],"names_matched":[["coal","cas:125612-26-2"],["coal dust lignite","cas:129521-66-0"],["coal solvent naphtha","cas:65996-79-4"],["coal tar","cas:8007-45-2"],["coal tar distillate","cas:65996-92-1"],["coal tar distillates","cas:65996-92-1"],["coal tar light oil 71 benzene","cas:65996-78-3"],["coke oven light oil coal","cas:65996-78-3"],["distillates petroleum steam cracked polymers with acid treated coal solvent naphtha and phenol","cas:68131-80-6"],["high temperature coal tar pitch","cas:65996-93-2"],["naphthalene oils distillates coal tar","cas:84650-04-4"],["solvent naphtha coal","cas:65996-79-4"],["upper coal tar distillates","cas:65996-91-0"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":17,"names":["Coal solvent naphtha","Goudron de houille","Coal tar distillate","Coal tar light oil (71% benzene)","Distillates (petroleum), steam-cracked, polymers with acid-treated coal solvent naphtha and phenol","Brai de goudron de houille","Naphthalene oils, distillates (coal tar)","Distillats supérieurs de goudron de houille"],"says":"17 rows share a parameter key with a longer name holding \"coal\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"coal\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":1,"offset":0,"returned":1,"next_offset":null,"rows":[{"id":"74835a9299e76163","parameter":"Coal dust: bituminous","value":"0.002","value_num":0.002,"unit":"µg/m³","statistic":"annual_avg","direction":"max","kind":"guideline","medium":"ambient_air","level":"regional","parameter_key":"cas:125612-26-2","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: \"coal\", 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"}]}