An Airport Biohazard Mystery

​Every time I depart the Silvio Pettirossi International Airport in Asuncion, I am confronted, haunted even, by a rich mystery: why is a lonely biohazard container sitting on the edge of the tarmac? 

Such an enigma!

This vibrantly yellow container screams, by design, to “keep me away from people!”  Yet, the hulk of neon metal has inhabited the fringes of the airport for at least four years: I noticed it the first time we departed from the ASU airport in 2014!  I don’t have a whole lot of concrete information to share about this enigmatic container.  I’ve Google-searched it, talked to students whose parents’ own hangers and even asked a ticket agent, all to no avail.  The best I can offer is to share some of the questions I have regarding this mysterious hunk of corrugated metal:   
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• What is inside? 
• Why is it rusting?  
• Why is it regularly moved (three times by my count alone)?  
• Why is a biohazard container located right next to passenger planes?  Isn’t that like, the opposite of what you would want infectious material? 
• Could the contents of this container fuel the zombie apocalypse?
• How does no one else question the presence of a giant yellow biohazard symbol as they board and deplane?  

That’s about all!  

Update: It's still there! Even in 2019!