Wendt kowalski (1 risultati)

Paperback. Condizione: New. Print on Demand. This book records the data from an interagency comparison study commissioned by the California Air Resources Board and the U.S. Environmental Protection Agency to investigate discrepancies in ozone concentration measurements using various methods. Conducted in 1977, it involved four different agencies, each using their own ultraviolet photometer to measure ozone concentrations from a common source. The results of the study are presented, showing excellent agreement among the different methods. This study highlights the importance of accurate and reliable ozone measurement techniques for environmental monitoring and air quality management. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. …