New shroud design controls silica dust from surface mine and construction blast hole drills.

Bibliographic Details
Corporate Author:	National Institute for Occupational Safety and Health
Format:	Government Document Book
Language:	English
Published:	[Cincinnati, Ohio] : [U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health], [1998]
Series:	DHHS publication ; no. (NIOSH) 98-150.
Subjects:	Coal mines and mining > Dust control > United States. Lungs > Dust diseases > United States > Prevention.
Online Access:	https://purl.fdlp.gov/GPO/LPS18080

Description
Item Description:	"November 1998"--P. [4]. Title from title screen.
Format:	Mode of access: Internet from the NIOSH web site. Address as of 3/14/02: http://www.cdc.gov/Niosh/hc27.html; current access is available via PURL.