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Clearing the air

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Section: Articles
Title: Clearing the air / By Markisan NasoAuthor: Naso, Markisan
Notes: OSHA established permissible exposure limits, or PELs, for nearly 500 air contaminants, based on research conducted in the 1950s and 1960s. Related records: En: Safety & health. - Itasca. - Vol. 167, nº 4, April 2003 ; p. 32-36Materia / lugar / evento: Riesgo químico Industria química Enfermedades profesionales Contaminación del aire Higiene industrial Contaminantes químicos Valores TLV Estados Unidos Secondary titles: Título: Safety & health
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