title: Comparison of Andersen eight-stage and two-stage viable air samplers.
abstract: The two-stage, disposable Andersen air sampler gave lower values for aerial concentration of bacterial colony-forming particles than did the eight-stage Andersen viable air sampler in either a swine house or a classroom.
mesh_terms: D000391:Air Microbiology; D000397:Air Pollution / Q000032:analysis*; D000818:Animals; D001419:Bacteria / Q000302:isolation & purification*; D001431:Bacteriological Techniques / Q000295:instrumentation*; D005069:Evaluation Studies as Topic; D006799:Housing, Animal; D012574:Schools