六汽油性能 (Performance):指汽油使用于汽车产生之挥发性有机物(VOCs) 、氮氧化物 (NOx)及毒性空气污染物 (Air Toxics) 之单
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Mercury and Air Toxics Standards 排放标准 ; 汞和有毒空气污染物排放标准 ; 暨有毒气体排放标准
air toxics major source 主要有害物质的大气污染源
Mobile Source Air Toxics 机动车尾气毒物排放标准
EPA estimates that all 285 million U. s. residents have an increased cancer risk of greater than 10 in a million from exposure to air toxics.
环保署估计,全部美国2.85亿居民由于暴露于空气毒物,具有增高的、每百万人中超过10人罹患癌症的风险。
The data comes from a county-by-county analysis of toxic air pollution released today in a survey known as the National air Toxics Assessment (NATA).
这个数据来自于今天公布的一份逐州的有毒空气污染的分析,它是在一项被称为国家空气毒物评估(NATA)的调查之中作出的。
The report covers 181 air toxics and diesel particulate matter and estimates risks from exposure to emissions from industrial sources and mobile sources such as cars and trucks.
这份报告涵盖了181种空气毒物和内燃机颗粒物,并且估计了暴露于工业源和移动源例如汽车和卡车的排放物的风险。
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