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IMPACT OF TEST METHOD ON
MEASURED PARTICLE SIZE FOR
 PULVERIZED-COAL FIRED BOILERS
(for Eastern Bituminous Coal)
Particle Size Test Method
Typical Mass Mean
Insitu Plate Type Impactor (Anderson)
               5 Microns
Centrifugal Laboratory Sizing (Bahco)
               12 Microns
Insitu Cyclonic Impactor (Brinks)
                16 Microns