ASTM D6271评估环境烟草烟雾对茄呢醇基可吸入悬浮颗粒促成作用的标准试验方法
日期:2012-02-08 10:39
verall air quality; the Occupational Safety and Health Administration (OSHA) has previously set a PEL (permissible exposure level) for respirable dust in the workplace of 5000 g/m3. However, RSP emanates from numerous sources (14) and has been shown to be an inappropriate tracer of ETS (7,15,16,17). UVPM and FPM are used as more selective markers to estimate the contribution of tobacco smoke to RSP; however, these markers can overestimate the contribution of tobacco smoke to RSP due to potential
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