{"query":{"parameter":"radium 228","place":"CA-SK","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-SK","CA"],"parameter_keys":["cas:15262-20-1","name:radium 228","name:radium-228","name:combined radium-226 and radium-228","name:radioactive substances","name:radium-226 and -228","cas:7440-14-4","name:radium 226 and 228 combined","name:radium 226 and radium 228","name:radium-226 and radium-228","name:radium 226 + radium 228","name:radium-226 + radium-228"],"names_matched":[["radium 228","cas:15262-20-1"],["radium 228","name:radium 228"],["radium 228","name:radium-228"],["combined radium 226 and radium 228","name:combined radium-226 and radium-228"],["radioactive substances combined radium 226 and 228","name:radioactive substances"],["radium 226 and 228","name:radium-226 and -228"],["radium 226 and 228 combined","cas:7440-14-4"],["radium 226 and 228 combined","name:radium 226 and 228 combined"],["radium 226 and 228 combined","name:radium-226 and -228"],["radium 226 and radium 228","name:radium 226 and radium 228"],["radium 226 and radium 228","name:radium-226 and radium-228"],["radium 226 and radium 228 combined","name:radium 226 and radium 228"],["radium 226 and radium 228 combined","name:radium-226 and radium-228"],["radium 226 radium 228","name:radium 226 + radium 228"],["radium 226 radium 228","name:radium-226 + radium-228"],["radium 226 radium 228 combined dissolved","name:radium 226 + radium 228"],["radium 226 radium 228 combined dissolved","name:radium-226 + radium-228"],["radium 226 radium 228 combined total","name:radium 226 + radium 228"],["radium 226 radium 228 combined total","name:radium-226 + radium-228"]],"match":"exact+contains","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":"1c6aee0bd2557569","parameter":"Radium-228","value":"2","value_num":2,"unit":"Bq/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"name:radium-228","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","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Table 3, Radiological Parameters (published 2025)","page":null,"quote":"Radium-228 (2025) 2 Naturally occurring"}}],"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-SK"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"radium 228\", 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-SK"},"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"}]}