Story in the LA Times analyzes the findings of a report that came out in the Journal of Environmental Science and Technology.  The study found high levels of ultra fine particles in the air around certain in-use laser printers.  The particles compare to the type of particles emitted by smoldering cigarettes.  These particles are a hazard and have been shown to produce health problems including lung irritation, lung scarring and cancer.  Various printers emitted different levels of particles, some emitting no particles and others spewing out a large amount. 

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