4 cited rows from 2 instruments. Not covered: a permit's own limits, or rules outside the 10 instruments we hold for Mexico (MX). Everything held for Mexico
NOTA 1 Los límites permisibles de metales y metaloides se refieren a su concentración total en el agua, la cual incluye los suspendidos y los disueltos.
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.
NOM-147-SEMARNAT/SSA1-2004 — criterios para determinar las concentraciones de remediación de suelos contaminados por… · DOF 02/03/2007 (in force sixty natural days after publication — Transitorio Primero) · 2 guidelines Every row: 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.
Parameter
Value
Applies when
Cite
Selenio
390 mg/kg
uso de suelo: Uso agrícola/residencial /comercial (mg/kg)
Free check: send your permit or lab results and we check each number against the limits that apply here, each verdict cited to its page, by email within 5 business days. Or send a link to a rule we do not hold: we read it and cite it by page.
What was searched
10 instruments we hold for Mexico (MX), for 18 names matching “selenium” (each in the JSON). 2 have a row, in the tables above; 8 have none.
8 instruments with no row for selenium
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 —… · 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).
NOM-020-SSA1-2021 — Salud ambiental. Criterio para evaluar la calidad del aire ambiente, con respecto al ozono (O3):… · DOF 28/10/2021 (in force 60 natural days after publication — 10.1; Tabla 1's years count from entry into force — its note a; 5.2.4 applies from the calendar… · Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 28/10/2021 (in force 60 natural days after publication — 10.1; Tabla 1's years count from entry into force — its note a; 5.2.4 applies from the calendar year after publication — Transitorio Segundo; repeals NOM-020-SSA1-2014 — Transitorio Primero).
NOM-021-SSA1-2021 — Salud ambiental. Criterio para evaluar la calidad del aire ambiente, con respecto al monóxido de… · DOF 29/10/2021 (in force 60 natural days after publication — 10.1; 5.2.4 applies from the calendar year after publication — Transitorio Segundo; repeals… · Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 29/10/2021 (in force 60 natural days after publication — 10.1; 5.2.4 applies from the calendar year after publication — Transitorio Segundo; repeals NOM-021-SSA1-1993 — Transitorio Primero).
NOM-023-SSA1-2021 — Salud ambiental. Criterio para evaluar la calidad del aire ambiente, con respecto al dióxido de… · DOF 27/10/2021 (in force 60 natural days after publication — 10.1; 5.2.4 applies from the calendar year after publication — Transitorio Segundo; repeals… · Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 27/10/2021 (in force 60 natural days after publication — 10.1; 5.2.4 applies from the calendar year after publication — Transitorio Segundo; repeals NOM-023-SSA1-1993 — Transitorio Primero).
NOM-025-SSA1-2021 — Salud ambiental. Criterio para evaluar la calidad del aire ambiente, con respecto a las… · DOF 27/10/2021 (in force 60 natural days after publication — 9.1; Tabla 1's years count from entry into force — its note a; 4.2.5 and 4.2.6 apply from the… · Source changed on or before 2026-10-17, not yet re-read: these rows are as read from DOF 27/10/2021 (in force 60 natural days after publication — 9.1; Tabla 1's years count from entry into force — its note a; 4.2.5 and 4.2.6 apply from the calendar year after publication — Transitorio Segundo; cancels NOM-025-SSA1-2014 — Transitorio Primero).
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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.