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Glossary N

The Environmental Glossary. Letter N +++ Popular Articles: 'Noise', 'Nitrogen', 'Noise regulation'

"N" in a Million Cancer Risk

A "N" in a Million Cancer Risk is a risk level of "N" in a million implies a likelihood that up to "N" people, out of one million equally exposed people would contract cancer if exposed continuously (24 hours per day) to the specific concentration over 70 years (an assumed lifetime).

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NACE

NACE, which stands for Nomenclature of Economic Activities, is a classification system used by the European Union (EU) to categorize economic activities for statistical and regulatory purposes. It serves as a standardized framework for classifying businesses and organizations based on their primary economic activities. In the context of the environment, NACE codes are essential for tracking and regulating industries and sectors that have an impact on natural resources and sustainability.

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NADP

A NADP is National Atmospheric Deposition Program.

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NAICS

Français: Système de classification des industries de l'Amêrique du Nord

The North American Industry Classification System or NAICS (pronounced "nakes") is used by business and government to classify business establishments according to type of economic activity (process of production) in Canada, Mexico, and the United States of America. It has largely replaced the older Standard Industrial Classification (SIC) system; however, certain government departments and agencies, such as the U.S. Securities and Exchange Commission (SEC), still use the SIC codes.

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Narrative Biological Criteria

A Narrative Biological Criteria is general statements of attainable or attained conditions of Biological Integrity and water quality for a given designated Aquatic life use.

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National Academy of Sciences (NAS)

A National Academy of Sciences (NAS) is the National Academy of Sciences/National Research Council (NRC) performs level 2 peer review to determine if EMAP projects have overall scientific merit and integrate both internally and with other government-sponsored monitoring programs.

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National Air Toxics Assessment (NATA)

- National Air Toxics Assessment (NATA) : A National Air Toxics Assessment (NATA) is EPA's ongoing comprehensive evaluation of Air Toxics in the U.S. These activities include expansion of Air Toxics monitoring, improving and

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National Ambient Air Quality Standards (NAAQS):

- National Ambient Air Quality Standards: - National Ambient Air Quality Standards (NAAQS): : A National Ambient Air Quality Standards (NAAQS): is In 1971,

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National Authority

Deutsch: Nationale Behörde / Español: Autoridad nacional / Português: Autoridade nacional / Français: Autorité nationale / Italiano: Autorità nazionale

National authority in the environmental context refers to a Governmental body or agency at the national level responsible for creating, implementing, and enforcing environmental laws and policies. These authorities are crucial for overseeing environmental protection, conservation, and sustainable development within a country.

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National Geographic

Deutsch: National Geographic / Español: National Geographic / Português: National Geographic / Français: National Geographic / Italiano: National Geographic

National Geographic is a renowned institution and media organization dedicated to exploring and protecting the planet. In the environmental context, it plays a crucial role in educating the public about environmental issues, promoting conservation efforts, and showcasing the beauty and diversity of the natural world through various forms of media.

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