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Air Resources Board, California Environmental Protection Agency
업종: Government
Number of terms: 3992
Number of blossaries: 2
Company Profile:
概率,表示为机会的 100 万,一个人经历 70 多年来连续全区室外暴露于有毒空气污染物将开发癌症。
Industry:Pollution control
应用排放控制后仍存在的健康风险。
Industry:Pollution control
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 catalytically destroy ozone molecules in the stratosphere can cause a reduction in the ozone layer. For more information, please go to U. S. EPA's website on this subject.
Industry:Pollution control
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 designation value is the highest concentration that remains after excluding certain qualifying values. For a specific pollutant, the designation value for the state and federal standards may not be the same.
Industry:Pollution control
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)。
Industry:Pollution control
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。
Industry:Pollution control
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。
Industry:Pollution control
The number of potential excess cancer cases from a lifetime exposure to one microgram per cubic meter (µ/m<sup>3</sup>) of a given substance. For example, a unit risk value of 5. 5x10<sup>-6</sup> would indicate an estimated 5. 5 cancer cases per million people exposed to an average concentration of 1 µ/m<sup>3</sup> of a specific carcinogen for 70 years.
Industry:Pollution control
地球大气的最外层,范围从 60 英里至几百英里。该层的温度从数百到数千摄氏度不等。
Industry:Pollution control
对环境空气中或来自个别污染源的空气污染物进行周期性或连续性采样。
Industry:Pollution control