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Continuous, Long Term Monitoring of Ultrafine Particles - Desert ...

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Field Evaluation at 4 locations<br />

in Europe<br />

• The 12 months <strong>of</strong> continuous<br />

operation<br />

– Demonstrate data availability ailabilit<br />

<strong>of</strong><br />

the devices<br />

– Determine optimal<br />

maintenance scheme<br />

– Correlation analysis with other<br />

measured contaminants<br />

Stockholm:<br />

Hornsgatan (street canyon)<br />

Dresden:<br />

Schlesischer Platz (main crossing)<br />

• All four prototype units achieved<br />

data availability >90%<br />

Prague:<br />

Strahovský tunnel (above tunnel exit)<br />

• No reliability problems reported<br />

during entire period (>12 months)<br />

Augsburg:<br />

Friedberger Straße (urban background)<br />

16<br />

© 2010, TSI Incorporated

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