Procedure for permitting the use of belt air to ventilate working sections of underground coal mines

• Pubblicazione: [Arlington, Va.] : , : [U.S. Department of Labor, Mine Safety and Health Adminstration], , 2012
• Descrizione fisica: 1 online resource (2 pages)
• Soggetto topico: Mine ventilation - United States - Equipment and supplies; Mine ventilation - Safety regulations - United States; Mine atmospheres - United States - Safety measures
• Note generali: Title from subject line (viewed on July 1, 2013).; "Effective Date: 05/07/2012, Expiration Date: 03/31/2014."; "Reissue of I10-V-06."
• Titolo autorizzato: Procedure for permitting the use of belt air to ventilate working sections of underground coal mines
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910704556503321
• Lo trovi qui: Univ. Federico II