TY - BOOK ED - United States ED - National Institute for Occupational Safety and Health. TI - Respirator usage in private sector firms, 2001 AV - T55.G3 R47 2003 CD-ROM PY - 2003///] CY - [Washington, D.C.] PB - U.S. Dept. of Labor, Bureau of Labor Statistics and U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health KW - Breathing apparatus KW - United States KW - Statistics KW - Local KW - Industrial safety N1 - Title from CD-ROM label; "September 2003."; "Chiefly tables." ER -