{"query":{"parameter":"cyanide","place":"MX","medium":null,"statistic":null,"kind":null},"searched":{"places":["MX"],"parameter_keys":["cas:57-12-5","name:cyanide,","cas:592-01-8","cas:506-77-4","cas:544-92-3","name:cyanide a","name:cyanide, available or total","name:cyanide, easily liberated","name:cyanide - free","name:cyanide, free","name:cyanide (total-","name:cyanide total","name:cyanide, total","name:cyanide weak acid dissociable","cas:107-12-0","cas:74-90-8","cas:75-05-8","cas:151-50-8","cas:506-61-6","cas:506-64-9","cas:143-33-9","name:total cyanide","cas:557-21-1","name:cianuri liberi","name:cianuri totali","name:cyanure disponible","name:cyanure total","name:cyanures disponibles","name:cyanures totaux"],"names_matched":[["cyanide","cas:57-12-5"],["cyanide","name:cyanide,"],["calcium cyanide","cas:592-01-8"],["calcium cyanide ca cn 2","cas:592-01-8"],["chlorine cyanide","cas:506-77-4"],["copper cyanide","cas:544-92-3"],["copper cyanide cu cn","cas:544-92-3"],["copper cyanide cucn","cas:544-92-3"],["copper i cyanide","cas:544-92-3"],["cyanide a","name:cyanide a"],["cyanide available or total","name:cyanide, available or total"],["cyanide easily liberated","name:cyanide, easily liberated"],["cyanide free","name:cyanide - free"],["cyanide free","name:cyanide, free"],["cyanide total","name:cyanide (total-"],["cyanide total","name:cyanide total"],["cyanide total","name:cyanide, total"],["cyanide weak acid dissociable","name:cyanide weak acid dissociable"],["cyanide weak acid dissociable total","name:cyanide weak acid dissociable"],["ethyl cyanide","cas:107-12-0"],["ethyl cyanide propanenitrile","cas:107-12-0"],["hydrogen cyanide","cas:74-90-8"],["hydrogen cyanide as cyanide","cas:74-90-8"],["methyl cyanide","cas:75-05-8"],["potassium cyanide","cas:151-50-8"],["potassium cyanide k cn","cas:151-50-8"],["potassium silver cyanide","cas:506-61-6"],["silver cyanide","cas:506-64-9"],["silver cyanide ag cn","cas:506-64-9"],["sodium cyanide","cas:143-33-9"],["sodium cyanide as cyanide","cas:143-33-9"],["sodium cyanide na cn","cas:143-33-9"],["total cyanide","name:total cyanide"],["total cyanide freshwater","name:total cyanide"],["total cyanide marine","name:total cyanide"],["zinc cyanide","cas:557-21-1"],["zinc cyanide zn cn 2","cas:557-21-1"],["cyanid leicht freisetzbar","name:cyanide, easily liberated","cyanid"],["cianuri liberi","name:cianuri liberi","cianuri"],["cianuri totali","name:cianuri totali","cianuri"],["cianuri totali come cn","name:cianuri totali","cianuri"],["cyanure d ethyle en cn","cas:107-12-0","cyanure"],["cyanure d hydrogene","cas:74-90-8","cyanure"],["cyanure d hydrogene en cn","cas:74-90-8","cyanure"],["cyanure disponible","name:cyanure disponible","cyanure"],["cyanure disponible cn","name:cyanure disponible","cyanure"],["cyanure total","name:cyanure total","cyanure"],["cyanure total cn","name:cyanure total","cyanure"],["cyanures disponibles","name:cyanures disponibles","cyanures"],["cyanures disponibles cn","name:cyanures disponibles","cyanures"],["cyanures totaux","name:cyanures totaux","cyanures"]],"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":["Cianuros totales"],"says":"1 rows share a parameter key with a longer name holding \"cyanide\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"cyanide\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":18,"offset":0,"returned":18,"next_offset":null,"rows":[{"id":"299ad3c98d0d70d6","parameter":"Cianuro","value":"1","value_num":1,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","receiving_water is freshwater","cuerpo receptor: Ríos, arroyos, canales, drenes"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"5ca7093cf43cf980","parameter":"Cianuro","value":"2","value_num":2,"unit":"mg/L","statistic":"daily_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","receiving_water is freshwater","cuerpo receptor: Ríos, arroyos, canales, drenes"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"3e8abba6b61707bd","parameter":"Cianuro","value":"3","value_num":3,"unit":"mg/L","statistic":"instant","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","receiving_water is freshwater","cuerpo receptor: Ríos, arroyos, canales, drenes"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"cb773ca4ae9a7c13","parameter":"Cianuro","value":"1","value_num":1,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","receiving_water is freshwater","cuerpo receptor: Embalses, lagos y lagunas"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"970ec9682234a12f","parameter":"Cianuro","value":"1,5","value_num":1.5,"unit":"mg/L","statistic":"daily_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","receiving_water is freshwater","cuerpo receptor: Embalses, lagos y lagunas"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"cd4f58e3a059e123","parameter":"Cianuro","value":"2","value_num":2,"unit":"mg/L","statistic":"instant","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","receiving_water is freshwater","cuerpo receptor: Embalses, lagos y lagunas"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"ba9b74e9c8563ab6","parameter":"Cianuro","value":"2","value_num":2,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","receiving_water is marine","cuerpo receptor: Zonas marinas mexicanas"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"e189d4e723a1ec2f","parameter":"Cianuro","value":"2,50","value_num":2.5,"unit":"mg/L","statistic":"daily_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","receiving_water is marine","cuerpo receptor: Zonas marinas mexicanas"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"2f263a6abb9e1b2b","parameter":"Cianuro","value":"3","value_num":3,"unit":"mg/L","statistic":"instant","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","receiving_water is marine","cuerpo receptor: Zonas marinas mexicanas"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"4cc5bf647142a5f7","parameter":"Cianuro","value":"2","value_num":2,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","cuerpo receptor: Suelo — Riego de áreas verdes"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"49db7bdf99e78a08","parameter":"Cianuro","value":"2,5","value_num":2.5,"unit":"mg/L","statistic":"daily_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","cuerpo receptor: Suelo — Riego de áreas verdes"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"a5b5ce7ef547be61","parameter":"Cianuro","value":"3","value_num":3,"unit":"mg/L","statistic":"instant","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","cuerpo receptor: Suelo — Riego de áreas verdes"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"0a1fb4d47b91eda6","parameter":"Cianuro","value":"1","value_num":1,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","cuerpo receptor: Suelo — Infiltración y otros riegos"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"2c4f19874281999f","parameter":"Cianuro","value":"1,50","value_num":1.5,"unit":"mg/L","statistic":"daily_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","cuerpo receptor: Suelo — Infiltración y otros riegos"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"5363a418ee32ebec","parameter":"Cianuro","value":"2","value_num":2,"unit":"mg/L","statistic":"instant","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","cuerpo receptor: Suelo — Infiltración y otros riegos"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"f831e7cc5b2f582a","parameter":"Cianuro","value":"1","value_num":1,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","cuerpo receptor: Suelo — Cárstico"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"31eafb0a48ff2dd5","parameter":"Cianuro","value":"1,5","value_num":1.5,"unit":"mg/L","statistic":"daily_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","cuerpo receptor: Suelo — Cárstico"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}},{"id":"a56f0e4aa5dbd44d","parameter":"Cianuro","value":"2","value_num":2,"unit":"mg/L","statistic":"instant","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:57-12-5","place":["MX"],"conditions":["route is direct","cuerpo receptor: Suelo — Cárstico"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)","source_url":"https://dof.gob.mx/nota_detalle.php?codigo=5645374&fecha=11/03/2022","source_sha256":"0e4017b05758d4a0a24cb7376ac9abee09f0ab5d67974a4bb3b47c37c022807f","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-20","status":"changed","changed_on":"2026-10-17","says":"Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 11/03/2022 (in force 365 days after publication; Tablas 1 and 2 from 3 April 2023; true colour and acute toxicity from the fourth year after publication — Transitorios Primero to Tercero)."},"section":"NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros)","page":null,"quote":"Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2"}}],"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: \"cyanide\", 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/cyanide#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/cyanide#check"}]}