This document is a compendium of scientifically valid and accepted methods that can be used to assess sediment quality and predict ecological impacts...the intent here is to provide the most useful overall measures or predictors of ecological impacts currently in use rather than procedures that may have limited application outside of a particular regulatory framework... parag The information provided in the compendium on the relative strengths and weaknesses of the different assessment methods can provide assistance in selecting the appropriate methods.

Contaminated sediments represent an ongoing threat to the health of aquatic ecosystems. The assessment of sediment quality is, therefore, an important concern for environmental regulators. Sediment quality guidelines are now well established in regulatory frameworks worldwide; however, practical guidance that covers all of the key aspects of sediment quality assessment is not readily available. In 2005, CSIRO published its highly cited Handbook for Sediment Quality Assessment. In the ensuing period, the science has advanced considerably. This practical guide is a revised and much expanded second edition, which will be a valuable tool for environmental practitioners. Written by experts in the field, it provides coverage of: sediment sampling; sample preparation; chemical analysis; ecotoxicology; bioaccumulation; biomarkers; and ecological assessment. In addition, detailed appendices describe protocols for many of the tests to be used.

With petroleum-related spills, explosions, and health issues in the headlines almost every day, the issue of remediation of petroleum and petroleum products is taking on increasing importance, for the survival of our environment, our planet, and our future. This book is the first of its kind to explore this difficult issue from an engineering and scientific point of view and offer solutions and reasonable courses of action. This book will guide the reader through the various methods that are used for the bioremediation of petroleum and petroleum products. The text is easy to read and includes many up-to-date and topical references. This book introduces the reader to the science and technology of biodegradation—a key process in the bioremediation of petroleum and petroleum-based contaminants at spill sites. The contaminants of concern in the molecularly variable petroleum and petroleum products can be degraded under appropriate conditions. But the success of the process depends on the ability to determine the necessary conditions and establish them in the contaminated environment. Although the prime focus of the book is to determine the mechanism, extent, and efficiency of biodegradation, it is necessary to know the composition of the original petroleum or petroleum product. The laws of science dictate what can or cannot be done with petroleum and petroleum products to ensure that biodegradation (hence, bioremediation) processes are effective. The science of the composition of petroleum and petroleum products is at the core of understanding the chemistry of biodegradation and bioremediation processes. Hence, inclusion of petroleum analyses and properties along with petroleum product analyses and properties is a necessary part of this text. Bioremediation of Petroleum and Petroleum Products: Summarizes the pros and cons of remediation of petroleum and petroleum-based products, from an environmental perspective Gives examples of unethical behavior and how they should be corrected Offers arguments and elucidates engineering considerations on all sides of these difficult environmental and economic issues