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Collapsible drill steel enclosure for reducing roof bolting machine drilling noise

[Pittsburgh, PA] : Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, [2008] 2008

Engineering controls for reducing continuous mining machine noise.

[Pittsburgh, Pa. : Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 2008] 2008

NIOSH develops new software to analyze and reduce hazardous noise exposure

[Pittsburgh, PA] : Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, [2009] 2009

QuickFit earplug test device

[Pittsburgh, PA] : Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, [2008] 2008