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You should also look for N99 masks that provide protection beyond dust. A good N99 mask would offer protection against VOCs, dust, bacteria, and virus. Atlanta Healthcare Cambridge Masks, N99 certified masks, would be your best option for protection against the hazardous smoke present in the air due to recent firecrackers and crop burning.
This chemical inventory is OSHA's premier one stop shop for occupational chemical information. It compiles information from several government agencies and organizations. Information available on the pages includesChemical identification and physical properties Exposure limits Sampling information
Gao M, Cao J, Seto E. A distributed network of low cost continuous reading sensors to measure spatiotemporal variations of PM2. 5 in Xian, China. Environmental Pollution. 2015; 199:5665. This study shows how low cost sensors can be applied for ambient monitoring of PM. Such sensors are likely also useful for personal monitoring.
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