{"query":{"parameter":"butyl","place":"US-VA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-VA","US"],"parameter_keys":["name:butyl"],"names_matched":[["butyl","name:butyl"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order","not_searched":{"names":186,"parameters":122,"some":["1 butanamine n butyl n methyl","1 butanamine n butyl n nitroso","1 butyl isovalerate","2 4 6 tris tert butyl phenol","2 5 di tert butyl hydroquinone","2 6 di t butyl 4 sec butylphenol","2 6 di tert butyl 4 nonylphenol","2 6 di tert butyl 4 sec butylphenol","2 6 di tert butyl p cresol","2 6 di tert butyl phenol","2 butanol s butyl alcohol","2 butoxy 2 oxoethyl butyl phthalate","2 butyl 1 octanol","2 butyl 2 ethyl 1 3 propanediol","2 hexanone methyl butyl ketone","2 methyl 2 propenoic acid butyl ester polymer with 1 2 propanediol mono 2 propenoate","2 methyl 2 propenoic acid butyl ester polymer with butyl 2 propenoate ethenylbenzene and 1 2 propanediol mono 2 propenoate","2 methyl 2 propenoic acid butyl ester polymer with butyl 2 propenoate ethenylbenzene methyl 2 methyl 2 propenoate 1 2 propanediol mono 2 propenoate and 2 propenoic acid","2 methyl 2 propenoic acid methyl ester polymer with butyl 2 propenoate ethenylbenzene and 2 hydroxyethyl 2 propenoate","2 methyl 2 propenoic acid polymer with butyl 2 propenoate ethenylbenzene 2 hydroxyethyl 2 methyl 2 propenoate and methyl 2 methyl 2 propenoate","2 n tert butyl 2 4 toluenediamine","2 n tert butyl 2 6 toluenediamine","2 propenoic acid 2 methyl methyl ester polymer with butyl 2 propenoate ethenylbenzene and 2 hydroxyethyl 2 propenoate","2 propenoic acid 2 methyl polymer with butyl 2 propenoate ethenylbenzene 2 hydroxyethyl 2 methyl 2 propenoate and methyl 2 methyl 2 propenoate","2 propenoic acid butyl ester polymer with 2 ethyl 2 1 oxo 2 propenyl oxy methyl 1 3 propanediyl di 2 propenoate"],"says":"186 other names contain \"butyl\" (122 parameters, over the 40 searched at once): ask for one of them by name."}},"total":2,"offset":0,"returned":2,"next_offset":null,"rows":[{"id":"479188c88a3ffd93","parameter":"Butyl","value":"1.0","value_num":1,"direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:butyl","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":"Butyl benzyl phthalate (µg/l) 85687 1.0 1.0"}},{"id":"2757f5e5bd7e9076","parameter":"Butyl","value":"1.0","value_num":1,"direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:butyl","place":["US-VA"],"conditions":["all other surface waters, not designated PWS 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, all other surface waters)","page":null,"quote":"Butyl benzyl phthalate (µg/l) 85687 1.0 1.0"}}],"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: \"butyl\", 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"}]}