{"query":{"parameter":"methylene","place":"US-VA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-VA","US"],"parameter_keys":["name:methylene","cas:23235-61-2","cas:4982-20-1","cas:2808-75-5","cas:2288-18-8","cas:37013-22-2","cas:5995-42-6","cas:101-14-4","cas:101-65-5","name:5 methylene chloride","cas:71329-40-3","cas:35657-77-3","cas:555-10-2","cas:74-95-3","cas:75-09-2","cas:6317-18-6","cas:69082-76-4","name:foaming agents","cas:1632-16-2","cas:39310-05-9","cas:68649-37-6","cas:75-11-6","cas:101-61-1","name:methylene blue active substances","cas:10254-57-6","cas:101-68-8","cas:110-26-9","cas:66204-44-2","cas:55348-62-4","cas:34690-00-1","cas:9016-87-9","cas:28768-32-3"],"names_matched":[["methylene","name:methylene"],["1 3 propanediol 2 2 oxybis methylene bis 2 ethyl","cas:23235-61-2"],["1 4 bis methylene cyclohexane","cas:4982-20-1"],["1 methyl 2 methylene cyclohexane","cas:2808-75-5"],["1 methylene 2 propenyl benzene","cas:2288-18-8"],["12 14 bis methylene 1 5 9 cyclohexadecatriene","cas:37013-22-2"],["2 2 oxybis methylene bis 2 ethylpropane 1 3 diol","cas:23235-61-2"],["2 hydroxyethyl imino bis methylene bisphosphonic acid","cas:5995-42-6"],["4 4 methylene bis 2 chloroaniline","cas:101-14-4"],["4 4 methylene bisphenylcarbanillate","cas:101-65-5"],["5 methylene chloride","name:5 methylene chloride"],["amines tallow alkyl ethoxylated compds with phosphonomethyl imino bis 2 1 ethanediylnitrilobis methylene tetrakisphosphonic acid","cas:71329-40-3"],["bis hexamethylene triaminopenta methylene phosphonic acid","cas:35657-77-3"],["cyclohexene 3 methylene 6 1 methylethyl","cas:555-10-2"],["dibromomethane methylene bromide","cas:74-95-3"],["dichloromethane chlorure de methylene","cas:75-09-2"],["dichloromethane methylene chloride","cas:75-09-2"],["dithiocyanate de methylene","cas:6317-18-6"],["ethanaminium n bis diethylamino methylene n ethyl chloride","cas:69082-76-4"],["foaming agents methylene blue active substances","name:foaming agents"],["heptane 3 methylene","cas:1632-16-2"],["homopolymere de methylene bis isocyanatobenzene","cas:39310-05-9"],["iminobis methylene bis phophonic acid n coco alkyl derivs ammonium salts","cas:68649-37-6"],["iodure de methylene","cas:75-11-6"],["methylene bis 2 chloroaniline 4 4","cas:101-14-4"],["methylene bis n n dimethyl aniline 4 4","cas:101-61-1"],["methylene bisthiocyanate","cas:6317-18-6"],["methylene blue active substances","name:methylene blue active substances"],["methylene bromide","cas:74-95-3"],["methylene bromide dibromomethane","cas:74-95-3"],["methylene chloride","cas:75-09-2"],["methylene chloride also known as dichloromethane","cas:75-09-2"],["methylene chloride dichloromethane","cas:75-09-2"],["methylene chloride hm dichloromethane","cas:75-09-2"],["methylene dibutyldithiocarbamate","cas:10254-57-6"],["methylene diphenyl diisocyanate","cas:101-68-8"],["methylene iodide","cas:75-11-6"],["n n methylene bis 2 propenamide","cas:110-26-9"],["n n methylene bis 5 methyl oxazolidine","cas:66204-44-2"],["n n phenylenebis methylene bis 12 hydroxy octadecanamide","cas:55348-62-4"],["phosphonic acid 2 hydroxyethyl imino bis methylene bis","cas:5995-42-6"],["phosphonic acid iminobis methylene bis n coco alkyl derivs ammonium salts","cas:68649-37-6"],["phosphonic acid phosphonomethyl imino bis 6 1 hexanediylnitrilobis methylene tetrakis sodium salt","cas:35657-77-3"],["phosphonomethyl imino bis 2 1 ethanediylnitrilobis methylene tetrakisphosphonic acid ethoxylated tallowalkylamine salt","cas:71329-40-3"],["phosphonomethyl imino bis 6 1 hexanediylnitrilobis methylene tetrakis phosphonic acid","cas:34690-00-1"],["phosphonomethyl imino bis 6 1 hexanediylnitrilobis methylene tetrakisphosphonic acid","cas:34690-00-1"],["polymeric methylene diphenyl diisocyanate pmdi","cas:9016-87-9"],["tetraglycidyl methylene 4 4 dianiline","cas:28768-32-3"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":52,"names":["Methylene Chloride","Methylene chloride","Methylene-bis(2-chloroaniline), 4,4'-","Dibromomethane (Methylene Bromide)","Methylene-bis(N,N-dimethyl) Aniline, 4,4'-","4,4-Methylene bis(2-chloroaniline)","Dibromomethane","Methylenediphenyl Diisocyanate"],"says":"52 rows share a parameter key with a longer name holding \"methylene\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"methylene\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":6,"offset":0,"returned":6,"next_offset":null,"rows":[{"id":"3b68ac5e921031ad","parameter":"Methylene","value":"20","value_num":20,"direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:methylene","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":"Methylene Chloride (µg/l) 75092 Known or suspected carcinogen; human health criteria at risk level 10 -5 . Synonym = Dichloromethane 20 1,000"}},{"id":"a2c113c320170309","parameter":"Methylene","value":"1,000","value_num":1000,"direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:methylene","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":"Methylene Chloride (µg/l) 75092 Known or suspected carcinogen; human health criteria at risk level 10 -5 . Synonym = Dichloromethane 20 1,000"}},{"id":"0905ed16e3f2eb8b","parameter":"5 Methylene chloride","value":"3.0","value_num":3,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"name:5 methylene chloride","place":["US"],"conditions":["route is sewer","cites is 40 CFR 439","the discharge is of the Subpart B—Extraction Products","new sources (PSNS)"],"cite":{"instrument":"us_40cfr439","title":"40 CFR Part 439 — PART 439—PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=439","source_sha256":"109ea8c5ee22a37622c2aa91dd21d79e528a5f9f3e9d01ecc8dc18c25b6afd9e","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 439.27 (PSNS)","page":null,"quote":"5 Methylene chloride 3.0 0.7"}},{"id":"22a82070dec66a55","parameter":"5 Methylene chloride","value":"0.7","value_num":0.7,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"name:5 methylene chloride","place":["US"],"conditions":["route is sewer","cites is 40 CFR 439","the discharge is of the Subpart B—Extraction Products","new sources (PSNS)","column: Average monthly discharge must not exceed"],"cite":{"instrument":"us_40cfr439","title":"40 CFR Part 439 — PART 439—PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=439","source_sha256":"109ea8c5ee22a37622c2aa91dd21d79e528a5f9f3e9d01ecc8dc18c25b6afd9e","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 439.27 (PSNS)","page":null,"quote":"5 Methylene chloride 3.0 0.7"}},{"id":"f1023934badf1b2b","parameter":"5 Methylene chloride","value":"3.0","value_num":3,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"name:5 methylene chloride","place":["US"],"conditions":["route is sewer","cites is 40 CFR 439","the discharge is of the Subpart D—Mixing/Compounding and Formulation","new sources (PSNS)"],"cite":{"instrument":"us_40cfr439","title":"40 CFR Part 439 — PART 439—PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=439","source_sha256":"109ea8c5ee22a37622c2aa91dd21d79e528a5f9f3e9d01ecc8dc18c25b6afd9e","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 439.47 (PSNS)","page":null,"quote":"5 Methylene chloride 3.0 0.7"}},{"id":"7bda429a871c1ba3","parameter":"5 Methylene chloride","value":"0.7","value_num":0.7,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"name:5 methylene chloride","place":["US"],"conditions":["route is sewer","cites is 40 CFR 439","the discharge is of the Subpart D—Mixing/Compounding and Formulation","new sources (PSNS)","column: Average monthly discharge must not exceed"],"cite":{"instrument":"us_40cfr439","title":"40 CFR Part 439 — PART 439—PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=439","source_sha256":"109ea8c5ee22a37622c2aa91dd21d79e528a5f9f3e9d01ecc8dc18c25b6afd9e","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 439.47 (PSNS)","page":null,"quote":"5 Methylene chloride 3.0 0.7"}}],"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: \"methylene\", 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"}]}