Discover how attribute sampling enhances audit accuracy by evaluating internal controls and analyzing population traits, ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

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.

A recent article explained the role of Gas Chromatography-Mass Spectrometry (GC/MS) in the analytics laboratory. The current article focuses on reviewing the technology used for preparing volatile ...