This successful laboratory manual is now available in its third edition. It has been thoroughly revised and updated. New features include: - Methods for the determination of AOX, TOC and DOC - Luminescent bacteria waste water test - extended description of sample preparation for soil analysis - comprehensive description of environmental protection measures in the laboratory As in the previous editions, all methods for analysis described can be applied without consulting further literature. They have proven their practicability. Their description includes the necessary safety measures. A review of the previous edition: 'One can recommend this book for people in professional training and students, but also for the practitioner, for whom this concise laboratory manual is a valuable aid for daily work.' (Fresenius Journal of Analytical Chemistry)