science

Norma Oficial Mexicana

Norma Oficial Mexicana is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Norma Oficial Mexicana rather than just read about it. In short: The Norma Oficial Mexicana (Official Mexican Standard), abbreviated NOM, is the name of each of a series of official, compulsory standards and regulations for diverse activities in Mexico. They are more commonly referred to as NOMs or normas.

Key takeaways

Norma Oficial Mexicana belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Norma Oficial Mexicana to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Norma Oficial Mexicana from memory before moving on to harder problems.

Reference excerpt

The Norma Oficial Mexicana (Official Mexican Standard), abbreviated NOM, is the name of each of a series of official, compulsory standards and regulations for diverse activities in Mexico. They are more commonly referred to as NOMs or normas. The standards are prepared by the Dirección General de Normas (DGN) (Directorate-General of Standards), which is the body representing Mexico in the International Organization for Standardization (ISO).

Examples

Tequila In the case of tequila, Mexico's Tequila Regulatory Council (CRT) regulates production NOMs. The NOM identifier means the tequila meets government standards - but this is not any guarantee of tequila's quality. However, without the NOM stamp of legitimacy, it is not guaranteed that the bottle contains tequila. All 100% agave tequilas must have a NOM identifier on the bottle. The important laws since 1990 were NOM-006-SCFI-1993 and the later update NOM-006-SCFI-1994 revised in late 2005 NOM-006-SCFI-2005 and the most recent revision in 2012. The number after NOM is the distillery number, assigned by the government. NOM does not indicate the location of the distillery, merely the parent company or - in the case where a company leases space in a plant - the physical plant where the tequila was manufactured.

Environment NOM-137-SEMARNAT-2003 - Issued on the Official Gazette on April 29, 2003, and related to atmospheric pollution, gas desulfurizing plants and sour condensate, and control of emissions of sulfur compounds.

References

External links Explains the difference between law, regulation and NOM. Web page of Asociación de Normalización y Certificación, A.C. (Association for Normalization and Certification), a Mexican entity, where the difference between NOM and NMX is explained. Archived 2009-02-19 at the Wayback Machine List of tequila distilleries NOM numbers Official Mexican Standard NOM-CCAT-003-ECOL/1993, which establishes the maximum permissible levels of emission of contaminating gases from the exhaust of circulating motor vehicles that use gasoline as fuel. Archived 2011-07-14 at the Wayback Machine

Illustrations

Norma Oficial Mexicana logo.

Worked examples

Example 1 — a first encounter with Norma Oficial Mexicana

Start with the simplest possible case. Write down what Norma Oficial Mexicana claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Norma Oficial Mexicana before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Norma Oficial Mexicana ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Norma Oficial Mexicana

In research: Norma Oficial Mexicana appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Norma Oficial Mexicana in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Norma Oficial Mexicana is common in secondary-school and first-year university syllabi. It links to neighbouring topics Certification marks, Government of Mexico, Mexico government stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Norma Oficial Mexicana outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Norma Oficial Mexicana” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Norma Oficial Mexicana in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Norma Oficial Mexicana means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Norma Oficial Mexicana out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Norma Oficial Mexicana in simple terms?

Why does Norma Oficial Mexicana matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Norma Oficial Mexicana?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Norma Oficial Mexicana.