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PELs, RELs and TLVs still cause problems
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MAP20071018893
Castelli, Jim ‌
PELs, RELs and TLVs still cause problems / by Jim Castelli
Sumario: OSHA'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
En: Safety & health. - Chicago. - Vol. 143, nº 4, April 1991 ; p. 38-41
1. National Institute for Occupational Safety and Health ‌. 2. Occupational Safety and Health Administration ‌. 3. American Conference of Governmental Industrial Hygienists ‌. 4. Higiene industrial ‌. 5. Contaminantes químicos ‌. 6. Sustancias tóxicas y peligrosas ‌. 7. Valores TLV ‌. 8. Normas ‌. 9. Estados Unidos ‌. I. Título. II. Título: Safety & health.