Los PEL, los REL y los TLV todavia causan problemas

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<title>PEL, los REL y los TLV todavia causan problemas</title>
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<title>Noticias de seguridad</title>
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<namePart>Castelli, Jim</namePart>
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<abstract displayLabel="Summary">Se plantea la problemática existente en torno al establecimiento de los niveles de exposición más seguros, para medir las concentraciones de contaminantes en el aire. La controversia se presenta entre los PEL (Permissible Exposure Limits), los REL (Recommended Exposure Levels) y los TLV (Threshold Limit Values)</abstract>
<note type="statement of responsibility">Jim Castelli</note>
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<topic>Contaminación atmosférica</topic>
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<topic>Valores TLV</topic>
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<identifier type="local">MAP20077100284</identifier>
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<text>nº 3, Marzo 1992 ; p. 42-46</text>
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