{"query":{"parameter":"polyvinyl chloride","place":"US-VA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-VA","US"],"parameter_keys":["cas:9002-86-2","cas:17832-28-9","cas:1072-63-5","cas:10141-19-2","cas:110-75-8","cas:3048-64-4","cas:111-34-2","cas:75-01-4","cas:100-40-3","cas:10143-53-0","cas:4223-11-4","cas:113221-69-5","cas:3724-55-8","cas:78-94-4","cas:88-12-0","cas:1623-05-8","cas:766-94-9","cas:27560-07-2","cas:68083-19-2","cas:100-42-5","cas:94-04-2","cas:103-44-6","cas:108-05-4","cas:689-97-4","cas:593-60-2","cas:2235-00-9","cas:109-92-2","cas:4427-96-7","cas:107-25-5","cas:51000-52-3","cas:3377-92-2","cas:105-38-4"],"names_matched":[["polyvinyl chloride","cas:9002-86-2"],["1 4 butanediol vinyl ether","cas:17832-28-9","vinyl"],["1 vinyl 1h imidazole","cas:1072-63-5","vinyl"],["2 6 8 trimethylnonyl vinyl ether","cas:10141-19-2","vinyl"],["2 chloroethyl vinyl ether","cas:110-75-8","vinyl"],["5 vinyl 2 norbornene","cas:3048-64-4","vinyl"],["butyl vinyl ether","cas:111-34-2","vinyl"],["chloroethene vinyl chloride","cas:75-01-4","vinyl"],["chloroethylene vinyl chloride","cas:75-01-4","vinyl"],["cyclohexene 4 vinyl 1","cas:100-40-3","vinyl"],["diethylene glycol ethyl vinyl ether","cas:10143-53-0","vinyl"],["ethylene glycol butyl vinyl ether","cas:4223-11-4","vinyl"],["maleic anhydride polymer with ethyl acrylate and vinyl acetate hydrolyzed","cas:113221-69-5","vinyl"],["methyl vinyl acetate","cas:3724-55-8","vinyl"],["methyl vinyl cetone","cas:78-94-4","vinyl"],["methyl vinyl ketone","cas:78-94-4","vinyl"],["n vinyl 2 pyrrolidone","cas:88-12-0","vinyl"],["perfluoro propyl vinyl ether","cas:1623-05-8","vinyl"],["phenyl vinyl ether","cas:766-94-9","vinyl"],["poly vinyl butyral co vinyl alcohol co vinyl acetate","cas:27560-07-2","vinyl"],["siloxanes and silicones di me vinyl group terminated","cas:68083-19-2","vinyl"],["styrene vinyl benzene","cas:100-42-5","vinyl"],["vinyl 2 ethylhexanoate","cas:94-04-2","vinyl"],["vinyl 2 ethylhexoate","cas:94-04-2","vinyl"],["vinyl 2 ethylhexyl ether","cas:103-44-6","vinyl"],["vinyl acetate","cas:108-05-4","vinyl"],["vinyl acetylene","cas:689-97-4","vinyl"],["vinyl bromide","cas:593-60-2","vinyl"],["vinyl bromide bromoethene","cas:593-60-2","vinyl"],["vinyl caprolactam","cas:2235-00-9","vinyl"],["vinyl chloride","cas:75-01-4","vinyl"],["vinyl chloride chloroethene","cas:75-01-4","vinyl"],["vinyl chloride cloroethylene","cas:75-01-4","vinyl"],["vinyl ethyl ether","cas:109-92-2","vinyl"],["vinyl ethylene carbonate","cas:4427-96-7","vinyl"],["vinyl methyl ether","cas:107-25-5","vinyl"],["vinyl neodecanoate","cas:51000-52-3","vinyl"],["vinyl pivalate","cas:3377-92-2","vinyl"],["vinyl propionate","cas:105-38-4","vinyl"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":38,"names":["Vinyl Chloride","Styrene","Vinyl chloride","Vinyl Acetate","Vinyl Bromide","2-Chloroethyl vinyl ether"],"says":"38 rows share a parameter key with a longer name holding \"polyvinyl chloride\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"polyvinyl chloride\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":2,"offset":0,"returned":2,"next_offset":null,"rows":[{"id":"78d91fdf511f980d","parameter":"Vinyl","value":"0.22","value_num":0.22,"direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:9002-86-2","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":"unchanged"},"section":"9VAC25-260-140 B, Table of Parameters (human health, public water supply)","page":null,"quote":"Vinyl Chloride (µg/l) 75014 Known or suspected carcinogen; human health criteria at risk level 10 -5 . 0.22 16"}},{"id":"57a98ccf1a98375d","parameter":"Vinyl","value":"16","value_num":16,"direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:9002-86-2","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":"unchanged"},"section":"9VAC25-260-140 B, Table of Parameters (human health, all other surface waters)","page":null,"quote":"Vinyl Chloride (µg/l) 75014 Known or suspected carcinogen; human health criteria at risk level 10 -5 . 0.22 16"}}],"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: \"polyvinyl chloride\", 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"}]}