This volume covers services of the Toxicology Laboratory from common general emergency medicine to specialized treatment units, defining procedures for critical quantitative analysis in treating acute poisoning cases. If the diagnosis or the prognosis is in doubt, active elimination therapy is considered or the administration of certain antidotes is contemplated. Hence, the book describes not only simple analytical techniques such as various advanced techniques such as High performance liquid chromatography Gas chromatography Ultraviolet-visible spectrophotometry and Atomic absorption spectrometry Presently detailed account of Instrumentation Operating procedures Possible interfaces in the methodology and Prototype examples of analytical procedures specifying the sensitivity of each test.