Drug-Use Testing In The Workplace. This paper discusses the importance of drug testing in the workplace. In the United States drug use in the workplace is common which leads to decline in employee performance and this is why Drug-free workplace Act was passed in 1998. 5 pgs. Bibliography lists 4 sources. Pages: 5 Bibliography: 4 source(s) listed Filename: 9932 Drug Testing Workplace.doc Price: 44.75