The book "Technical and sanitary analysis of water in the conditions of the expedition" by A. In. Evlanova is a unique guide that will become an indispensable assistant for specialists in the field of ecology, hydrology and water supply, as well as for students and researchers engaged in the study of water resources. In today's world, where water purity and safety are becoming increasingly relevant, this edition offers the reader an in-depth analysis of the methods and technologies used to assess the quality of water resources in the field. In his book, Evlanov shares not only theoretical aspects, but also practical recommendations that will help to conduct a qualitative analysis of water in the conditions of the expedition. Readers will be able to learn about different sampling methods, their preparation and subsequent analysis, which is especially important for those who work in remote and hard-to-reach areas. The author focuses on how to correctly interpret the results, which avoids common errors and misunderstandings. The book will be of interest to a wide range of readers: from undergraduate and graduate students studying environmental sciences, to practitioners working in the field of environmental protection and water supply. It will be a useful resource for ecologists, engineers, biologists and anyone interested in the study and protection of water resources. If you are interested in ecology, want to learn more about water analysis methods or plan an expedition, this publication will become a real storehouse of knowledge for you. The topics raised in the book cover a wide range of issues related to water quality, sanitation and the impact on human health and ecosystems. Evlanov considers the impact of pollutants on water resources, as well as methods for their detection and quantification. The book also addresses important aspects, such as the impact of climate change on water quality and the need to develop effective monitoring methods. The author's style is distinguished by clarity and accessibility, which makes complex scientific concepts understandable even for an unprepared reader. Evlanov uses many examples from his practice, which allows readers to better understand how to apply theoretical knowledge in practice. His previous works were also noted for their high level of scientific rigor and practical significance, which confirms his authority in this field. If you are looking for literature that will help you to better understand the problems of water supply and protection of water resources, "Technical and sanitary analysis of water in the conditions of the expedition" will be an excellent choice. This book will not only expand your knowledge, but also inspire new research and projects. Do not miss the opportunity to get acquainted with this unique edition, which combines theory and practice, and discover the world of water resources from a new perspective.