OSHA issues citations and penalties if businesses violate permissible exposure limits (PEL). PELs are legal limits designed to control employee exposure to hazardous substances in an eight-hour period ...

In part one of this series (May 2003), we explained the need for personal sampling, reviewed passive monitors and personal sampling pumps, and examined OSHA's substance-specific standards and their ...

The Apex, a news series of personal air sampling pumps, has been launched by Casella Cel for use by occupational and industrial hygienists, health, safety and environmental monitoring consultants and ...

You don't have to be a certified industrial hygienist to do personal air sampling." That's what I've told hundreds of participants in introductory industrial hygiene courses I have taught since 1994.