Written by well-known, international authors, this comprehensive reference provides practical coverage of the best hair drug testing techniques and examines the drugs themselves. The authors review all new developments, the validation of analytical procedures, and the interpretation of data. Some of the applications discussed include doping, drug-facilitated crime investigating, workplace testing, and the granting of drivers' licenses. The authors describe specific drugs, such as opiates, cocaine, and cannabis, and discuss the different testing methods of them. The book also covers postmortem toxicology, pitfalls created by passive exposure, and testing for metals, including inductively coupled plasma spectrometry (ICP-MS), hair multielemen