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World class computing and information science research at Strathclyde...

The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

The Department also includes the iSchool Research Group, which performs leading research into socio-technical phenomena and topics such as information retrieval and information seeking behaviour.

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Application of passive diffusion tubes to short-term indoor and personal exposure measurement of nitrogen dioxide

Heal, M.R. and O'Donoghue, M A and Agius, R.M. and Beverland, I J (1999) Application of passive diffusion tubes to short-term indoor and personal exposure measurement of nitrogen dioxide. Environment International, 25 (1). pp. 3-8. ISSN 0160-4120

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Abstract

Palmes-type passive diffusion tubes were shown to be as accurate in the measurement of indoor NO2 during short-term (2- and 3-d) exposures as during 1-week exposures. The statistical limit of detection for cumulative NO2 in 2- and 3-d exposure was 150 (nL L−1h). The mean coefficient of variation for duplicate 2- and 3-d exposures was < 13%. A pilot study measuring personal, indoor (living room) and outdoor (just outside the home) NO2 over 3 d for 8 volunteers demonstrated the feasibility and reliability of using passive diffusion tubes for short-term personal exposure measurements, and confirmed the necessity of obtaining actual exposure profiles for a specific subpopulation.