{"query":{"parameter":"dimethylamine","place":"CA-ON","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-ON","CA"],"parameter_keys":["cas:124-40-3","cas:2605-79-0","cas:74-94-2","name:n-nitroso dimethylamine","cas:62-75-9","cas:68647-77-8"],"names_matched":[["dimethylamine","cas:124-40-3"],["decyl n n dimethylamine oxide","cas:2605-79-0"],["dimethylamine borane","cas:74-94-2"],["n nitroso dimethylamine","name:n-nitroso dimethylamine"],["n nitroso dimethylamine ndma","name:n-nitroso dimethylamine"],["nitroso dimethylamine n","cas:62-75-9"],["tallowalkylamidopropyl dimethylamine oxides","cas:68647-77-8"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":2,"names":["N-Nitrosodimethylamine (NDMA)","Nitrosodimethylamine, N"],"says":"2 rows share a parameter key with a longer name holding \"dimethylamine\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"dimethylamine\" 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":"44c84a2545f48d9c","parameter":"Dimethylamine","value":"3 µg/L","value_num":3,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:124-40-3","place":["CA-ON"],"conditions":["receiving_water is freshwater"],"cite":{"instrument":"ca_on_pwqo","title":"Provincial Water Quality Objectives (Ontario MOEE, Water Management: Policies, Guidelines, Provincial Water Quality Objectives, 1994) — Table 2, PWQOs and Interim PWQOs","issuer":"Ontario Ministry of Environment and Energy (MOEE; now Ministry of the Environment, Conservation and Parks)","edition":"MOEE July 1994 (reprinted February 1999), as published on ontario.ca (fetched 2026-10-09)","source_url":"https://www.ontario.ca/page/water-management-policies-guidelines-provincial-water-quality-objectives","source_sha256":"f4eddd3cd97cf5abb8678d040947bdaa2b4afae406f055948457d372d3b47931","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Appendix A, Table 2 — Table of PWQOs and Interim PWQOs","page":null,"quote":"Dimethylamine CAS No. 124-40-3 3 µg/L (Interim PWQO )"}},{"id":"3cc45ee13e5b0600","parameter":"N-Nitroso dimethylamine (NDMA)","value":"0.000 04","value_num":0.00004,"unit":"mg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"name:n-nitroso dimethylamine","place":["CA"],"conditions":["drinking water (a guideline, not a regulation: each province and territory decides whether, and how, it binds there)"],"cite":{"instrument":"ca_hc_gcdwq","title":"Health Canada — Guidelines for Canadian Drinking Water Quality, Summary Tables 1-3 (microbiological, chemical and physical, radiological)","issuer":"Health Canada, with the Federal-Provincial-Territorial Committee on Drinking Water","edition":"page modified 2026-01-21 (dcterms.modified; issued 2014-10-22): Tables 1-3 as the browser pane rendered them on 2026-10-15","source_url":"https://www.canada.ca/en/health-canada/services/environmental-workplace-health/reports-publications/water-quality/guidelines-canadian-drinking-water-quality-summary-table.html","source_sha256":"9451ad8bfa566c0625ae4fcb362272cbb0e20040c548540f362488118c300b89","fetched_at":"2026-10-15","section":"Table 2, Chemical and Physical Parameters (N-Nitroso dimethylamine (NDMA), published or reaffirmed 2010)","page":null,"quote":"DBP N-Nitroso dimethylamine (NDMA) (2010) 0.000 04 None"}}],"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-ON"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"dimethylamine\", 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-ON"},"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"}]}