「Air Quality Standards」の版間の差分
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== Definition == | == Definition == | ||
− | ===Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.) by [[Botkin_Keller_1998|Botkin & Keller (1998)]]=== | + | ===Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.)" by [[Botkin_Keller_1998|Botkin & Keller (1998)]]=== |
*Levels of air pollutants that delineate acceptable levels of pollution over a particular time period. Valuable because they are often tied to emission standards that attempt to control air pollution. | *Levels of air pollutants that delineate acceptable levels of pollution over a particular time period. Valuable because they are often tied to emission standards that attempt to control air pollution. | ||
2019年9月21日 (土) 22:09時点における最新版
Air Quality Standards
- (日本語)
- (Español)
Definition
Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.)" by Botkin & Keller (1998)
- Levels of air pollutants that delineate acceptable levels of pollution over a particular time period. Valuable because they are often tied to emission standards that attempt to control air pollution.