Download or read book The Determination of Environmental Levels of Uranium and Thorium Series Isotopes and 137Cs in Aquatic and Terrestrial Samples written by P. Wilkinson and published by Fisheries and Oceans, Scientific Information and Publications Branch. This book was released on 1985 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication details the analytical methods used at the Freshwater Institute for the radiochemical analysis of aquatic and terrestrial samples. Sample collection methods are described with emphasis on water sampling. A detailed "Calculations" section contains the mathematical formulae used to determine the absolute activity of each isotope analyzed.