{"query":{"parameter":"chlorophyll a total","place":"CA-BC","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-BC","CA"],"parameter_keys":["cas:479-61-8"],"names_matched":[["chlorophyll a total","cas:479-61-8"]],"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":"e7e0fc34427984b9","parameter":"Chlorophyll a (total)","value":"100","value_num":100,"unit":"mg/m2","statistic":"monthly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:479-61-8","place":["CA-BC"],"conditions":["receiving_water is freshwater","Naturally growing periphytic algae."],"cite":{"instrument":"ca_bc_wqg_aquatic","title":"B.C. Approved Water Quality Guidelines: Aquatic Life — freshwater, marine and estuarine, short-term acute and long-term chronic","issuer":"Government of British Columbia, Ministry of Environment and Parks (Water Protection and Sustainability Branch)","edition":"BC Data Catalogue 'Water Quality Guidelines of B.C.' (all_wqgs.csv), dataset modified 2026-08-20; the same guidelines as the ministry's Guideline Summary PDF, whose host www2.gov.bc.ca refused this machine on 2026-10-09","source_url":"https://catalogue.data.gov.bc.ca/dataset/85d3990a-ec0a-4436-8ebd-150de3ba0747/resource/6f32a85b-a3d9-44c3-9a14-15175eba25b6/download/all_wqgs.csv","source_sha256":"1673409ad5c17fa364589bb20f830055bc21d6e765a40681f06b510f6614f26a","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Aquatic Life - Freshwater · Long-term chronic · Approved (UniqueID 244)","page":null,"quote":"244,Chlorophyll a,Total,EMS_0143,(479-61-8),Aquatic Life - Freshwater,Water,Long-term chronic,30,5,mean,,,,Naturally growing periphytic algae.,No Effect,Upper Limit,100,,mg/m2"}}],"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-BC"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"chlorophyll a total\", 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-BC"},"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"}]}