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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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<name type="personal" usage="primary" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080064815">
<namePart>Castelli, Jim</namePart>
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<dateIssued encoding="marc">1992</dateIssued>
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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>
<subject authority="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080467180">
<name type="corporate">
<namePart>Occupational Safety and Health Administration</namePart>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080616441">
<topic>Contaminación atmosférica</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080560973">
<topic>Valores TLV</topic>
</subject>
<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080568863">
<topic>Estados Unidos</topic>
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<classification authority="">872</classification>
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<title>Noticias de Seguridad</title>
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<publisher>Englewood, New Jersey</publisher>
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<identifier type="local">MAP20077100284</identifier>
<part>
<text>nº 3, Marzo 1992 ; p. 42-46</text>
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