Use of sensors in occupational exposure assessment
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From the EPICOH2016 conference
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Use of sensors in occupational exposure assessment
- 1. Use of sensors in occupational exposure assessment John Cherrie Institute of Occupational Medicine, Edinburgh, UK, and Institute of Biological Chemistry, Biophysics and Bioengineering, Heriot-Watt University, Edinburgh, UK
- 2. No conflict of interest to declare The HEALS project has received funding from the European Union’s Seventh Programme for research, technological development and demonstration under grant agreement No 603946.
- 3. Summary… • Direct-reading monitoring in the workplace • Low-cost sensors • Data management • Use outside a research study • Criteria for a good sensor system
- 5. Scopus.com “occupational exposure measurement”
- 6. Scopus.com … plus “biological monitoring” … plus “direct-reading”
- 9. Dylos… • Dylos DC 1700 • Laser-based particle counter • 1 min data logging capability more than 6 days • Quiet • Mains operated with battery for 6 hours • Low cost - €300 Semple S, Apsley A, MacCalman L. An inexpensive particle monitor for smoker behaviour modification in homes. Tob Control. 2013 Sep;22(5):295-8.
- 10. Sidepak PM2.5 = 0.65 + 4.16 x 10-5[Dylos particles] + 1.57x10-11[Dylos particles]2 r2 =0.86 (n=25,301)
- 11. Activity… • Data-logging activity monitors – Fitbit – Actigraph, etc. • Latest versions measure steps (distance), heart rate, stairs climbed • Day-time and night (sleep)
- 13. Location… • Advantage of Moves is it’s ability to identify locations and activity and summarise the data • However… – Need your phone with you – Activity data biased http://www.moves-app.com
- 14. Time Example: Moves v Paper log
- 17. The technology is changing very fast Will employers adopt these technologies? What about data security / privacy issues?
- 18. Criteria for a useful sensor… • Unobtrusive • Low-cost • Able to collect, store and transmit real-time and high temporal resolution data • Usable by workers • Meets specified QA criteria, e.g. sensitivity, specificity, accuracy, precision and stability • Low failure rate
Editor's Notes
- Thanks.
- I’m part fo one of the three large exposome projects funded by the EU. We are… (not really a strong focus on work).
- I have a short presentation to discuss the use of sensors in assessing the occupational exposome. I’ll try to realistically paint a picture of what can be done now and some of the outstanding issues. I’ll finish with a suggested list of necessary criteria for a sensor system. However, we might discuss whether this is sufficient to generate an occupational exposome.
- Of course in occupational exposure science we have long used direct reading instruments to measure dusts,gass and vapours, noise and other agents.
- Measurements ^^
- However, only a small proportion of papers deal with direct reading instruments (or even biological monitoring). Why? My experience is that even where industry uses direct reading monitors the data are used for immediate decision making and are not curated.
- Now there is a great deal spoken about new technologies that will revolutionise everything from sensing our environment to our physiological responses.
- There are simple devices that have appeared on the market for environmental monitoring, although to be honest they are often lacking in terms of sensitivity for environmental exposure and are more suited to monitoring in the workplace.
- 1200 days of data
- Mention it can be used to track sleep
- Indoor vs outdoor Indoors within a large building, e.g. a factory or office.
- 1200 days of data