The Drug Screen Manual

by John Mrozek

Although drug testing technology has advanced rapidly, it has outpaced the knowledge base of the human beings tasked with employing it. As a result, inaccurate test results are far from uncommon. This manual gives you the facts on the types of tests used, which drugs are tested for and how results can be skewed.

64 pages, Paperback

First published July 1, 1998