Atmospheres in sub-surface structures and sewers : data sheet I-550-79

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<title>Atmospheres in sub-surface structures and sewers</title>
<subTitle>: data sheet I-550-79</subTitle>
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<title>National safety news</title>
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<dateIssued encoding="marc">1979</dateIssued>
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<abstract displayLabel="Summary">This data sheet focuses on various hazards inherent to sub-surface structures, and it points out the necessary procedures that should be followed to avoid physical impairment due to contamination in the surface structures</abstract>
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<topic>Higiene industrial</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080605278">
<topic>Contaminantes químicos</topic>
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<topic>Gases peligrosos</topic>
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<topic>Estructuras subterráneas</topic>
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<topic>Alcantarillado</topic>
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<topic>Contaminación atmosférica</topic>
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<topic>Control de la contaminación</topic>
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<topic>Muestreos</topic>
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<topic>Ventilación</topic>
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<publisher>Chicago</publisher>
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<text>Vol. 119, nº 4, April 1979 ; p. 79-83</text>
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