{"query":{"parameter":"chlorine demand","place":"CA-NL","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-NL","CA"],"parameter_keys":["name:chlorine demand"],"names_matched":[["chlorine demand","name:chlorine demand"]],"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":"b6be1d6082028489","parameter":"Chlorine Demand","value":"30","value_num":30,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"regional","route":"sewer","parameter_key":"name:chlorine demand","place":["CA-NL"],"conditions":["route is sewer"],"cite":{"instrument":"ca_nl_ecwsr_2003","title":"Environmental Control Water and Sewage Regulations, 2003 (Newfoundland and Labrador Regulation 65/03) — Schedules A and B","issuer":"Government of Newfoundland and Labrador, Department of Environment","edition":"consolidated NLR 65/03 as amended by NLR 23/09 (House of Assembly page, fetched 2026-10-08)","source_url":"https://www.assembly.nl.ca/Legislation/sr/regulations/rc030065.htm","source_sha256":"d123fbabd5ae08a96eeca616f91303dc64915a4464951b87b9bc8a41719fcb9f","fetched_at":"2026-10-08","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Schedule B (s. 5(a)): discharge into a public sewer or a sewer leading to one","page":null,"quote":"Chlorine Demand 30"}}],"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-NL"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"chlorine demand\", 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-NL"},"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"}]}