{"query":{"parameter":"silver","place":"MX","medium":null,"statistic":null,"kind":null},"searched":{"places":["MX"],"parameter_keys":["cas:7440-22-4","cas:93-72-1","cas:506-61-6","name:silver-108m","name:silver-110m","name:silver-111","cas:506-64-9","name:silver - total","name:silver, total","name:silver, total recoverable","name:total silver"],"names_matched":[["silver","cas:7440-22-4"],["2 4 5 tp silver","cas:93-72-1"],["potassium silver cyanide","cas:506-61-6"],["silver 108m","name:silver-108m"],["silver 110m","name:silver-110m"],["silver 111","name:silver-111"],["silver cyanide","cas:506-64-9"],["silver cyanide ag cn","cas:506-64-9"],["silver total","name:silver - total"],["silver total","name:silver, total"],["silver total recoverable","name:silver, total recoverable"],["total recoverable silver","name:silver, total recoverable"],["total silver","name:silver - total"],["total silver","name:silver, total"],["total silver","name:total silver"],["total silver freshwater","name:total silver"],["total silver marine","name:total silver"],["plata total","name:total silver","plata"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":1,"names":["2,4,5-TP"],"says":"1 rows share a parameter key with a longer name holding \"silver\" but are printed under names without these words (that key is wider than the name): not sent. Ask for one by its name or CAS number."}},"total":4,"offset":0,"returned":4,"next_offset":null,"rows":[{"id":"9a163f88fa8420da","parameter":"Plata","value":"390","value_num":390,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7440-22-4","place":["MX"],"conditions":["uso de suelo: Uso agrícola/residencial /comercial (mg/kg)","NOTA: a. En caso de que se presenten diversos usos del suelo en un sitio, debe considerarse el uso que predomine. b. Cuando en los programas de ordenamiento ecológico y de desarrollo urbano no estén establecidos los usos del suelo, se usará el valor residencial.","1) Remediar hasta las concentraciones de referencia totales establecidas en la Tabla 1.","5.1.1. Cuando el suelo que se presume contaminado tiene una superficie menor o igual a 1 000 m 2 , el responsable procederá a remediar a las concentraciones de referencia totales (CR T ) señaladas en la Tabla 1 o a seguir cualquiera de las metodologías descritas en la presente Norma."],"cite":{"instrument":"mx_nom147_semarnat_ssa1_2004","title":"NOM-147-SEMARNAT/SSA1-2004 — criterios para determinar las concentraciones de remediación de suelos contaminados por arsénico, bario, berilio, cadmio, cromo hexavalente, mercurio, níquel, plata, plomo, selenio, talio y/o vanadio: Tabla 1 (CR T) and Tabla 2 (CR S)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales and Secretaría de Salud, Estados Unidos Mexicanos","edition":"DOF 02/03/2007 (in force sixty natural days after publication — Transitorio Primero)","source_url":"https://dof.gob.mx/nota_detalle_popup.php?codigo=4964569","source_sha256":"90f1db381695867d8327ffa7cf74160031e0caf291db592a01c495816b91373a","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-16","status":"unchanged"},"section":"NOM-147-SEMARNAT/SSA1-2004, Tabla 1 (concentraciones de referencia totales, CR T, por tipo de uso de suelo)","page":null,"quote":"Plata 390 5 100"}},{"id":"600328e0a0d6eae0","parameter":"Plata","value":"5 100","value_num":5100,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7440-22-4","place":["MX"],"conditions":["uso de suelo: Uso industrial (mg/kg)","NOTA: a. En caso de que se presenten diversos usos del suelo en un sitio, debe considerarse el uso que predomine. b. Cuando en los programas de ordenamiento ecológico y de desarrollo urbano no estén establecidos los usos del suelo, se usará el valor residencial.","1) Remediar hasta las concentraciones de referencia totales establecidas en la Tabla 1.","5.1.1. Cuando el suelo que se presume contaminado tiene una superficie menor o igual a 1 000 m 2 , el responsable procederá a remediar a las concentraciones de referencia totales (CR T ) señaladas en la Tabla 1 o a seguir cualquiera de las metodologías descritas en la presente Norma."],"cite":{"instrument":"mx_nom147_semarnat_ssa1_2004","title":"NOM-147-SEMARNAT/SSA1-2004 — criterios para determinar las concentraciones de remediación de suelos contaminados por arsénico, bario, berilio, cadmio, cromo hexavalente, mercurio, níquel, plata, plomo, selenio, talio y/o vanadio: Tabla 1 (CR T) and Tabla 2 (CR S)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales and Secretaría de Salud, Estados Unidos Mexicanos","edition":"DOF 02/03/2007 (in force sixty natural days after publication — Transitorio Primero)","source_url":"https://dof.gob.mx/nota_detalle_popup.php?codigo=4964569","source_sha256":"90f1db381695867d8327ffa7cf74160031e0caf291db592a01c495816b91373a","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-16","status":"unchanged"},"section":"NOM-147-SEMARNAT/SSA1-2004, Tabla 1 (concentraciones de referencia totales, CR T, por tipo de uso de suelo)","page":null,"quote":"Plata 390 5 100"}},{"id":"890b06e305cba674","parameter":"Plata","value":"0,500","value_num":0.5,"unit":"mg/L","direction":"max","kind":"guideline","medium":"leachate","level":"national","parameter_key":"cas:7440-22-4","place":["MX"],"conditions":["4) Remediar hasta las concentraciones de referencia de la fracción soluble establecidas en la Tabla 2 más la fracción soluble de la muestra de fondo. Aplicable cuando no existe población humana potencialmente expuesta."],"cite":{"instrument":"mx_nom147_semarnat_ssa1_2004","title":"NOM-147-SEMARNAT/SSA1-2004 — criterios para determinar las concentraciones de remediación de suelos contaminados por arsénico, bario, berilio, cadmio, cromo hexavalente, mercurio, níquel, plata, plomo, selenio, talio y/o vanadio: Tabla 1 (CR T) and Tabla 2 (CR S)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales and Secretaría de Salud, Estados Unidos Mexicanos","edition":"DOF 02/03/2007 (in force sixty natural days after publication — Transitorio Primero)","source_url":"https://dof.gob.mx/nota_detalle_popup.php?codigo=4964569","source_sha256":"90f1db381695867d8327ffa7cf74160031e0caf291db592a01c495816b91373a","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-16","status":"unchanged"},"section":"NOM-147-SEMARNAT/SSA1-2004, Tabla 2 (concentraciones de referencia de contaminantes solubles, CR S)","page":null,"quote":"Plata 0,500"}},{"id":"8082728296b15f40","parameter":"Plata total","value":"0.05 a 0.1","range":[0.05,0.1],"unit":"mg/L","direction":"range","kind":"limit","medium":"drinking_water","level":"national","parameter_key":"name:total silver","place":["MX"],"conditions":["5.8.3 Si para la desinfección del agua se utiliza cualquier forma de plata debe medirse plata total."],"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 9 (especificaciones sanitarias de residuales de la desinfección)","page":null,"quote":"Plata total 0.05 a 0.1 mg/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: \"silver\", 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/silver#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/silver#check"}]}