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Cyanide in Mexico (MX): NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos…

18 rows for cyanide in this instrument. Every instrument for cyanide in Mexico

Mexico (MX): 18 rows

Effluent: 18 rows

**NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos…** · 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 —… · 18 limits · 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).
Every row: discharge to surface water
Parameter	Value	Statistic	Applies when	Cite
Cianuro	1 mg/L	monthly average	receiving water: freshwater cuerpo receptor: Ríos, arroyos, canales, drenes	NOM-001-SEMARNAT-2021, Tabla 2 (límites permisibles para metales y cianuros) Cianuro 1 2 3 1 1,5 2 2 2,50 3 2 2,5 3 1 1,50 2 1 1,5 2
Cianuro	2 mg/L	daily average	as above	as above
Cianuro	3 mg/L	instantaneous	as above	as above
Cianuro	1 mg/L	monthly average	receiving water: freshwater cuerpo receptor: Embalses, lagos y lagunas	as above
Cianuro	1,5 mg/L	daily average	as above	as above
Cianuro	2 mg/L	instantaneous	as above	as above
Cianuro	2 mg/L	monthly average	receiving water: marine cuerpo receptor: Zonas marinas mexicanas	as above
Cianuro	2,50 mg/L	daily average	as above	as above
Cianuro	3 mg/L	instantaneous	as above	as above
Cianuro	2 mg/L	monthly average	cuerpo receptor: Suelo — Riego de áreas verdes	as above
Cianuro	2,5 mg/L	daily average	as above	as above
Cianuro	3 mg/L	instantaneous	as above	as above
Cianuro	1 mg/L	monthly average	cuerpo receptor: Suelo — Infiltración y otros riegos	as above
Cianuro	1,50 mg/L	daily average	as above	as above
Cianuro	2 mg/L	instantaneous	as above	as above
Cianuro	1 mg/L	monthly average	cuerpo receptor: Suelo — Cárstico	as above
Cianuro	1,5 mg/L	daily average	as above	as above
Cianuro	2 mg/L	instantaneous	as above	as above

Read from public law and public agency files. A row missing here is missing from our sources, not from the law of the place. Check the cited source before relying on a value.