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1. |
Record Nr. |
UNINA9910701327403321 |
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Titolo |
Procedures for revoking MSHA certifications to take respirable dust samples or to maintain and calibrate approved dust sampling devices [[electronic resource]] |
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Pubbl/distr/stampa |
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[Arlington, Va.] : , : [U.S. Dept. of Labor, Mine Safety and Health Administration], , [2010] |
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Descrizione fisica |
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1 online resource (8 pages) |
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Collana |
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Program policy letter ; ; no. P09-V-08 |
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Soggetti |
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Coal mines and mining - Dust control - United States |
Mines and mineral resources - United States |
Mine dusts - United States - Measurement |
Mine safety - United States |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from title screen (viewed on Feb. 9, 2012). |
"Effective date 08/12/09." |
"Expiration date 03/31/2011." |
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