Personal Monitoring of Ozone Exposure: A fully portable device for under $150 USD cost.

Jonathan Thompson

Research output: Contribution to journalArticlepeer-review

Abstract

An inexpensive and portable device for monitoring personal ozone exposure is described and its performance characterized. The device is built from commercially available components, exhibits time resolution of approx. 60 sec, and highest analytical sensitivity under 100 ppbv ozone. The sensor has been employed to provide insights into ozone exposure for 8 volunteers living in Lubbock, Texas during the winter months of 2015. Consistent with previous literature, the results indicate the volunteers were exposed to highest levels of ozone when outdoors during daylight hours. Exposure to ozone indoors was typically only a fraction (0.3-0.7) of the dose observed during times spent outdoors. The sensing system described requires minimal technical skills to assemble and use at a cost of approximately $150 USD per unit. The device’s batteries provide power for 8-10 hours on a single charge and the sensor can be re-used many times after recharging the battery pack. A major advantage of
Original languageEnglish
Pages (from-to)936–943
JournalSensors & Actuators B / Elsevier
StatePublished - Mar 2016

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