{"query":{"parameter":"total","place":"US-VA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-VA","US"],"parameter_keys":["name:total"],"names_matched":[["total","name:total"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order","not_searched":{"names":359,"parameters":277,"some":["1 3 dichloropropene total","3 hydroxyphenol total","3 methyl 4 chlorophenol total recoverable","4 hydroxyphenol total","6ppd quinone total","acenaphthene total","acridine total","aluminum total","aluminum total recoverable","ammonia n total","ammonia total","ammonia total ammonia nitrogen","ammonia total ammonia nitrogen in mg n l","ammonia total ammonia nitrogen nh3 n plus nh4 n as ug l n","ammonia total as n","ammonia un ionized total","anthracene total","antimony total","antimony total recoverable","arsenic 3 total recoverable","arsenic iii total recoverable","arsenic total","arsenic total recoverable","azote ammoniacal total","azote ammoniacal total n nh4 et n nh3"],"says":"359 other names contain \"total\" (277 parameters, over the 40 searched at once): ask for one of them by name."}},"total":1,"offset":0,"returned":1,"next_offset":null,"rows":[{"id":"4a186f1872a1ab99","parameter":"Total","value":"500,000","value_num":500000,"direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:total","place":["US-VA"],"conditions":["segments designated PWS (public water supply) in 9VAC25-260-390 through 9VAC25-260-540"],"cite":{"instrument":"us_va_wqs","title":"9VAC25-260-140 — Criteria for surface water (Virginia Water Quality Standards), Table of Parameters","issuer":"Commonwealth of Virginia, State Water Control Board (Department of Environmental Quality)","edition":"Virginia Administrative Code as served by the General Assembly's LIS on 2026-10-09; last amended Virginia Register Volume 40, Issue 24, eff. June 26, 2024","source_url":"https://law.lis.virginia.gov/admincode/title9/agency25/chapter260/section140/","source_sha256":"05d91f8142e13aa9978b182c77033df2412d2af9decd0586bcb8b3974972a5f7","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"9VAC25-260-140 B, Table of Parameters (human health, public water supply)","page":null,"quote":"Total Dissolved Solids (µg/l) Criterion to maintain acceptable taste, odor or aesthetic quality of drinking water and applies at the drinking water intake. 500,000"}}],"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":"US-VA"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"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":"US-VA"},"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"}]}