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PELs, RELs and TLVs still cause problems

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1001 ‎$0‎MAPA20080064815‎$a‎Castelli, Jim
24510‎$a‎PELs, RELs and TLVs still cause problems‎$c‎by Jim Castelli
520  ‎$a‎OSHA's request for conformance to permissible exposure limits intensifies an already heated controversy. This article contains: debate may intensify; mixed reactions to PELs; standards differ; difference not great; new PELs to come; legal considerations; funding sources scarce
61007‎$0‎MAPA20080472740‎$a‎National Institute for Occupational Safety and Health
61027‎$0‎MAPA20080467180‎$a‎Occupational Safety and Health Administration
61027‎$0‎MAPA20080474805‎$a‎American Conference of Governmental Industrial Hygienists
65011‎$0‎MAPA20080585679‎$a‎Higiene industrial
65011‎$0‎MAPA20080605278‎$a‎Contaminantes químicos
65011‎$0‎MAPA20080625054‎$a‎Sustancias tóxicas y peligrosas
65011‎$0‎MAPA20080560973‎$a‎Valores TLV
65011‎$0‎MAPA20080541873‎$a‎Normas
65011‎$0‎MAPA20080568863‎$a‎Estados Unidos
7400 ‎$a‎Safety & health
7730 ‎$t‎Safety & health‎$d‎Chicago‎$g‎Vol. 143, nº 4, April 1991 ; p. 38-41