This innovative reference library for clinical and forensic toxicologists has once more been extensively updated. The 5th Edition of Mass Spectral Library of Drugs, Poisons, Pesticides, Pollutants and their Metabolites sees the addition of 1,780 data sets, bringing the total to 10,430 mass spectra and GC retention indices. Featured compounds of 175 categories include older and new psychoactive substances, almost all relevant therapeutic drugs as well as 7,800 of their metabolites. Available in the most common instrumentation manufacturer formats, this spectral library is a must have for any research laboratory.