air sampling component Articles

  • Advanced monitoring method for air environment

    The Ogawa Passive Sampler is one of the only known methods of passive simultaneous monitoring of more than two components in the air. The first advantage of Ogawa Sampler is to have two chambers with the same configuration where one can place two different kinds of collection filter pads. In the case of simultaneous collection of NO and NO2, The  O2 collection filter foated with triethanolamine ...

    By Ogawa & Company, USA, Inc.

  • The impact of atmospheric wet deposition on roof runoff quality in an urbanized area

    Understanding the sources of chemical components in roof runoff can help to prevent water quality problems in rooftop rainwater harvesting. To identify the contribution of wet deposition to the mass of components in roof runoff, the samples from air, rainwater, dust buildup and roof runoff were collected from an urban site in Shenzhen of China in 2011–2012. The results indicate that: (1) wet ...

    By IWA Publishing

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