{"query":{"parameter":"formaldehyde","place":"MX","medium":null,"statistic":null,"kind":null},"searched":{"places":["MX"],"parameter_keys":["cas:50-00-0","cas:129828-31-5","cas:178603-70-8","cas:67905-91-3","cas:68891-01-0","cas:870-72-4","cas:96591-17-2","cas:68891-75-8","cas:107-16-4","cas:30704-64-4","cas:37523-33-4","cas:69178-40-1","cas:52613-22-6","cas:25155-81-1","cas:68610-97-9","cas:147060-74-0","cas:153795-76-7","cas:68442-91-1","cas:68188-40-9"],"names_matched":[["formaldehyde","cas:50-00-0"],["2 propenoic acid polymer with 4 1 1 dimethylethyl phenol formaldehyde 2 5 furandione 2 methyloxirane 4 nonylphenol and oxirane","cas:129828-31-5"],["2 propenoic acid polymer with 4 1 1 dimethylethyl phenol formaldehyde 2 5 furandione 2 methyloxirane and oxirane","cas:178603-70-8"],["2 propenoic acid polymer with 4 1 1 dimethylethyl phenol formaldehyde 2 5 furandione methyloxirane 4 nonylphenol and oxirane","cas:129828-31-5"],["2 propenoic acid polymer with 4 1 1 dimethylethyl phenol formaldehyde 2 5 furandione methyloxirane and oxirane","cas:178603-70-8"],["2 propenoic acid polymer with formaldehyde 2 5 furandione methyloxirane 4 nonylphenol and oxirane","cas:67905-91-3"],["benzenesulfonamide ar methyl polymer with formaldehyde and 1 3 5 triazine 2 4 6 triamine butylated","cas:68891-01-0"],["bisulfite formaldehyde de sodium","cas:870-72-4"],["fatty acids linseed oil reaction products with 2 amino 2 hydroxymethyl 1 3 propanediol and formaldehyde polymers with bu methacrylate 2 diethylamino ethyl methacrylate 2 hydroxyethyl acrylate and me methacrylate","cas:96591-17-2"],["fatty acids tall oil esters with ethoxylated propoxylated formaldehyde p tert pentylphenol poly","cas:68891-75-8"],["fatty acids tall oil esters with ethoxylated propoxylated formaldehyde p tert pentylphenol polymer","cas:68891-75-8"],["formaldehyde cyanohydrin","cas:107-16-4"],["formaldehyde p tert butylphenol propylene oxide ethylene oxide polymer","cas:30704-64-4"],["formaldehyde polymer with 2 methyloxirane and 4 nonylphenol","cas:37523-33-4"],["formaldehyde polymer with benzenamine and 2 ethylbenzenamine","cas:69178-40-1"],["formaldehyde polymer with dimethylnaphthalene","cas:52613-22-6"],["formaldehyde polymer with methylbenzene","cas:25155-81-1"],["formaldehyde polymer with nonylphenol reaction products with diethanolamine and propylene oxide","cas:68610-97-9"],["formaldehyde polymer with nonylphenol reaction products with diethanolamine and propylene oxidea","cas:68610-97-9"],["formaldehyde polymers with branched 4 nonylphenol","cas:147060-74-0"],["formaldehyde polymers with branched 4 nonylphenol ethylene oxide and propylene oxide","cas:153795-76-7"],["formaldehyde propylene oxide p nonylphenol polymer","cas:37523-33-4"],["formaldehyde reaction products with glycerol","cas:68442-91-1"],["melamine formaldehyde","cas:68891-01-0"],["p tert butylphenol formaldehyde resin copolymer with ethylene oxide and propylene oxide","cas:30704-64-4"],["produits de reaction d acides gras de tallol avec l acetophenone le formaldehyde et la thiouree chlorhydrates","cas:68188-40-9"],["produits de reaction du glycerol et de la formaldehyde","cas:68442-91-1"],["reaction products of tall oil fatty acids with acetophenone formaldehyde and thiourea hydrochlorides","cas:68188-40-9"]],"match":"exact+contains","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":"89cd1e95c034824b","parameter":"Formaldehído","value":"900","value_num":900,"unit":"µg/L","direction":"max","kind":"limit","medium":"drinking_water","level":"national","parameter_key":"cas:50-00-0","place":["MX"],"conditions":["5.9.2 Si el agua se desinfecta con ozono, se deben medir los subproductos de la desinfección: aniones y carbonilos, de conformidad con lo establecido en las Tablas 12 y 13 de esta Norma."],"cite":{"instrument":"mx_nom127_ssa1_2021","title":"NOM-127-SSA1-2021 — Agua para uso y consumo humano. Límites permisibles de la calidad del agua: Tablas 1 to 14 and Apéndice A Normativo, Tablas A.1 to A.3","issuer":"Secretaría de Salud (Comisión Federal para la Protección contra Riesgos Sanitarios), Estados Unidos Mexicanos","edition":"DOF 02/05/2022 (in force 360 natural days from the day after publication — 10. Vigencia; turbidity 3.0 UNT from the second year after entry into force — Tabla 1 note a; fluoride 1.0 mg/L, arsenic 0.01 mg/L and cadmium 0.003 mg/L one, three or six years after entry into force by locality size — Tablas 3 and 5; repeals the 2000 modification of NOM-127-SSA1-1994 — Transitorio Único)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5650705&fecha=02/05/2022","source_sha256":"ccafe3317244274e237d8bfc92051f8396f8d3342782d37d7b4e954099889b46","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-16","status":"not verified"},"section":"NOM-127-SSA1-2021, Tabla 13 (subproductos de la desinfección - carbonilos)","page":null,"quote":"Formaldehído 900 µg/L"}}],"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":"MX"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"formaldehyde\", value, unit}, ...], any other parameters too."},"post":"/api/v1/check","url":"https://passage-data.com/api/v1/check","page":"https://passage-data.com/limits/MX/formaldehyde#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":"MX"},"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","url":"https://passage-data.com/api/v1/certificate","page":"https://passage-data.com/limits/MX/formaldehyde#check"}]}