01292cam a2200313Ia 4500011417862MiAaHDL20141009010000.0m d cr bn ---auaua020806s1999 wvua f000 0 eng dsdr-uiuc4480740(OCoLC)50304131SPISPIUIUn-us---UIUUNO0637-K-02L 38.8:IN 2/CORR.Industrial hygiene :sampling for silica and noise : metal and nonmetal specialized training--student text material and instructor's guide.Metal and nonmetal specialized trainingSampling for silica and noise[Corrected ed.][Beckley, W. Va.?] :U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy,1999.1 v. (various pagings) :ill. ;28 cm.Instruction guide series ;IG 13aMode of access: Internet.Mine safetyUnited States.Mineral industriesUnited StatesNoiseMeasurement.Mine dustsSamplingUnited States.SilicaSamplingUnited States.National Mine Health and Safety Academy.01141786220020906172948.020141009010000.020141112161445.02024-12-31T18:55:46Z2024-12-31T18:30:02ZSDR-UIUCUNKNOWNloader.pl-003-020BKsdr-uiuc4480740uiugSDRUIUCuiug.30112053891716UIU4480740UIUUIUC20241231googleuiug.301120538917161999pdbibUS fed doc