That device is just a sample collector.  It doesn&#x27;t measure or detect anything. It just deposits particulates on filter paper, to be removed periodically and analyzed elsewhere.  It&#x27;s mostly for long-term cumulative hazards. To be useful for Super Bowl City, someone should be servicing the device every few hours.  Has anyone seen people doing that?<p>Homeland Security has deployed bio-warfare detectors at previous Super Bowls.[1]  Those have an annoying false-alarm rate. But at least they report immediately if they detect something.<p>[1] <a href="http:&#x2F;&#x2F;articles.latimes.com&#x2F;2012&#x2F;jul&#x2F;08&#x2F;nation&#x2F;la-na-biowatch-20120708" rel="nofollow">http:&#x2F;&#x2F;articles.latimes.com&#x2F;2012&#x2F;jul&#x2F;08&#x2F;nation&#x2F;la-na-biowatc...</a>