{"query":{"parameter":"total nitrogen as n","place":"CA-MB","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-MB","CA"],"parameter_keys":["name:azoto totale","name:total nitrogen","cas:7664-41-7","name:total inorganic nitrogen"],"names_matched":[["total nitrogen as n","name:azoto totale"],["total nitrogen as n","name:total nitrogen"],["ammonia total ammonia nitrogen nh3 n plus nh4 n as ug l n","cas:7664-41-7"],["total inorganic nitrogen as n","name:total inorganic nitrogen"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":9,"names":["Ammonia","Ammonia Nitrogen","Ammonia (total)","Ammonia (un-ionized)"],"says":"9 rows share a parameter key with a longer name holding \"total nitrogen as n\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"total nitrogen as n\" 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":"fe2ac001d81c02cd","parameter":"total nitrogen","value":"15 mg/L total nitrogen","value_num":15,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"regional","route":"direct","parameter_key":"name:total nitrogen","place":["CA-MB"],"conditions":["route is direct","new and expanding food-processing industrial facilities, and new and expanding wastewater treatment facilities discharging more than 33,000 kg total nitrogen per year (over 10,000 people or equivalent)"],"cite":{"instrument":"ca_mb_wqsog_2011","title":"Manitoba Water Quality Standards, Objectives, and Guidelines (Water Stewardship Report 2011-01) — Tier I effluent standards and Tier II objectives for aquatic life","issuer":"Government of Manitoba, Manitoba Water Stewardship","edition":"Manitoba Water Stewardship Report 2011-01, November 28, 2011; adopted by the Manitoba Water Quality Standards, Objectives and Guidelines Regulation 196/2011 (The Water Protection Act), held as mb_reg_196_2011.pdf","source_url":"https://manitoba.ca/sd/pubs/water/lakes-beaches-rivers/mb_water_quality_standard_final.pdf","source_sha256":"748289e9152dd73829988f0f32aad04544be6ac05d6ce9b26ed26decef670e7e","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Tier I - Water Quality Standards: Industrial and Municipal Wastewater Effluents Discharged to a Water Body","page":8,"quote":null}}],"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-MB"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"total nitrogen as n\", 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-MB"},"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"}]}