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Determination of program protection factors for half-mask respirators used at a mineral sands separation plant

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001  MAP20071020208
003  MAP
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007  hzruuu---uuuu
008  940630e19921101usa|||| | |00010|eng d
035  ‎$a‎6800013510
040  ‎$a‎MAP‎$b‎spa
084  ‎$a‎872
1001 ‎$0‎MAPA20080220747‎$a‎Hewson, Gregory S.
24510‎$a‎Determination of program protection factors for half-mask respirators used at a mineral sands separation plant‎$c‎Gregory S. Hewson, Martin I. Ralph
520  ‎$a‎The principal objective of this study was to determine the minimum protection factor that could be applied to the annual average ambient airborne radioactivity concentration for a separation plant worker following periods of intermittent respiratory protective equipment (RPE) usage. The study was designed to measure the program protection factor of the half-mask filter cartridge respirators used in the plant
65011‎$0‎MAPA20080585679‎$a‎Higiene industrial
65011‎$0‎MAPA20080601393‎$a‎Equipos respiratorios
65011‎$0‎MAPA20080619831‎$a‎Mascarillas autofiltrantes
65011‎$0‎MAPA20080548094‎$a‎Máscaras
65011‎$0‎MAPA20080628048‎$a‎Equipos de protección individual
65011‎$0‎MAPA20080539566‎$a‎Polvo
65011‎$0‎MAPA20080639532‎$a‎Radiaciones
65011‎$0‎MAPA20080567071‎$a‎Radiactividad
7001 ‎$0‎MAPA20080176075‎$a‎Ralph, Martin I.
7400 ‎$a‎American Industrial Hygiene Association journal
7730 ‎$t‎American Industrial Hygiene Association journal‎$d‎Akron, Ohio‎$g‎Vol. 53, nº 11, November 1992 ; p. 713-720