Air pollution

Air pollution

Air pollution is the introduction of chemicals, particulates or biological materials into the atmosphere which cause damage to the natural environment and have adverse health affects on organisms.

行业：污染控制

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空气污染的贡献者

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Air pollution

臭氧消耗

污染控制; 空气污染

The reduction in the stratospheric ozone layer. Stratospheric ozone shields the Earth from ultraviolet radiation. The breakdown of certain chlorine and / or bromine-containing compounds that ...

指定值

污染控制; 空气污染

The pollutant concentration used by air quality managers for designating attainment status of an air district with respect to the state and federal ambient air quality standards. Generally, the ...

蒸气压

污染控制; 空气污染

在一定温度下，与液体或固体处于相平衡的蒸气所具有的压力（通常用毫米汞柱(mm Hg)或每平方英寸磅数(PSI)来表示）。

空气质量标准（AQS）

污染控制; 空气污染

规定的水平的一种不应超出了特定的时间期间，为保护公众健康的外部空气中的污染物。由联邦和州政府设立。（见还环境空气质量标准）。有关详细信息请参阅我们的环境空气质量标准网页。 ...

设计值

污染控制; 空气污染

用于空气质量管理人员作为基础确定实现空气质量标准，一般使用空气质量模型的污染物浓度。设计值可能或不可能指定的值相同。

单位风险号码

污染控制; 空气污染

The number of potential excess cancer cases from a lifetime exposure to one microgram per cubic meter (µ/m 3 ) of a given substance. For example, a unit risk value of 5. 5x10 -6 would indicate an ...