{"query":{"parameter":"ozone","place":"CA.ns_offshore_area","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA.ns_offshore_area","CA"],"parameter_keys":["cas:10028-15-6"],"names_matched":[["ozone","cas:10028-15-6"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":1,"offset":0,"returned":1,"next_offset":null,"rows":[{"id":"1cf65171935e6184","parameter":"ozone","value":"60","value_num":60,"unit":"ppb","direction":"max","kind":"guideline","medium":"ambient_air","level":"national","parameter_key":"cas:10028-15-6","place":["CA"],"conditions":["The 3-year average of the annual 4th highest of the daily maximum 8-hour average ozone concentrations","2025"],"cite":{"instrument":"ca_caaqs","title":"Canadian Ambient Air Quality Standards (CAAQS), environmental quality objectives under CEPA 1999 ss. 54(1) and 55(1): Objectives for Ambient PM2.5 and Ozone, Annex paras 1-4 and footnotes 1-2, Canada Gazette Part I, Vol. 147, No. 21, May 25, 2013","issuer":null,"edition":"Canada Gazette, Part I, Volume 147, Number 21: GOVERNMENT NOTICES May 25, 2013","source_url":"https://gazette.gc.ca/rp-pr/p1/2013/2013-05-25/html/notice-avis-eng.html","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":"8 hour 60 ppb table b3 note * The 3-year average of the annual 4th highest of the daily maximum 8-hour average ozone concentrations","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.ns_offshore_area"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"ozone\", 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.ns_offshore_area"},"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"}]}