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impinger

   Also found in: Dictionary/thesaurus, Legal 0.01 sec.
impinger [im′pin·jər]
(engineering)
A device used to sample dust in the air that draws in a measured volume of dusty air and directs it through a jet to impact on a wetted glass plate; the dust particles adhering to the plate are counted.


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Sampling methods were impaction based and analysis was culture based; future studies may utilize liquid impinger samplers and molecular methods for additional informational value.
We chose to use a microbial impactor rather than an impinger for the field tests because we were concerned that a single airborne particle could contain multiple naturally occurring microorganisms.
Volatiles evolved from the resins either deposited on the glass sample mask or were captured in the impinger system.
 
 
 
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