Book «No1555 Methods of sampling and sample preparation: lab. workshop”, written by the author’s team as part of Savostin A. P. , Karpova Yu. A. , Glnska i. In. and Rozhmanova N . B. , is a unique and indispensable resource for students, graduate students and practitioners in the field of ecology, chemistry and related disciplines. This edition will be a real guide to the complex but fascinating world of sampling and sampling, which plays a key role in scientific research and practical activities. The book covers a wide range of topics related to sampling and sample preparation methods, ranging from theoretical foundations to practical recommendations. Readers will find here not only detailed descriptions of various methods, but also step-by-step instructions that will help to avoid common mistakes in the process of work. This makes the book especially valuable for those who are just starting out in the field, as well as for experienced professionals who want to update their knowledge and skills. One of the main topics raised in the book is the importance of proper sampling in order to obtain reliable results. The authors emphasize that even the most modern and accurate analytical methods will not be able to provide reliable data if the sample was collected incorrectly. The book offers readers not only theoretical knowledge, but also practical advice on the choice of equipment, sample preparation and analysis, which makes it an indispensable assistant in laboratory practice. Who can like this publication? First of all, it will be interesting for students and graduate students studying ecology, chemical technology, biology and other related disciplines . The book will also be useful to practitioners working in laboratories, as well as anyone interested in environmental quality issues and methods of its research. It is important to note that