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Radon and thoron daughter working levels in British coalmines

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Registro MARC
Tag12Valor
LDR  00000nab a2200000 i 4500
001  MAP20071017539
003  MAP
005  20080418115106.0
007  hzruuu---uuuu
008  940221s1984 gbr|||| | |00010|eng d
035  ‎$a‎6800003339
040  ‎$a‎MAP‎$b‎spa
084  ‎$a‎872
1001 ‎$0‎MAPA20080023713‎$a‎Edlin, D.W.
24510‎$a‎Radon and thoron daughter working levels in British coalmines‎$c‎D.W.Edlin, N.P. Crawford and J. Dodgson
520  ‎$a‎Shift-average radon and thoron daughter working levels have been measured at 11 collieries in the U.K. Levels were low (generally less than 20 milli-working levels) compared with those typical of uranium mines. The possible influences of various factors on the level of activity were examined, but a correlation was found only with ventilation distances from pit bottom to the sampling site
65011‎$0‎MAPA20080585679‎$a‎Higiene industrial
65011‎$0‎MAPA20080605278‎$a‎Contaminantes químicos
65011‎$0‎MAPA20080539658‎$a‎Radón
65011‎$0‎MAPA20080621186‎$a‎Control de la contaminación
65011‎$0‎MAPA20080551797‎$a‎Muestreos
65011‎$0‎MAPA20080572884‎$a‎Minas de carbón
65011‎$0‎MAPA20080562663‎$a‎Gran Bretaña
7001 ‎$0‎MAPA20080095451‎$a‎Crawford, N.P.
7001 ‎$0‎MAPA20080023287‎$a‎Dodgson, J.
7404 ‎$a‎The Annals of occupational hygiene
7730 ‎$t‎The Annals of occupational hygiene‎$d‎Oxford [etc.]‎$g‎nº 3, 1984 ; p. 315-320