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Review

Water and wastewater process Technologies Series: Risk Management for Water and Wastewater Utilities

Series Editor: Tom Stephenson
Volume Editor: Simon J.T Pollard


The volume on Risk Management for Water and Wastewater utilities is divided into nine units, each of which is supplemented by a number of references to the primary and secondary literature, some as recent as 2007. The tenth unit deals with self-assessment questions and abbreviated answers.

Written as a module for individual self-paced study, this book is unique in its approach and even in its sequence of topics. The unit one takes us into introduction by posing a typical question, “Why manage risk?” It points out how provision of safe drinking and the treatment of wastewaters are viewed in risk management terms.
The second unit gives an introduction to probability and statistics. Though not all statistical tools are covered, (and it is not the intention either) the unit certainly depicts the use such tools to solve process technology problems.

The third unit is the continuation of the use of tools introduced in Unit II. This unit considers the context of process of risk analysis to unit treatment processes.
Unit IV explains how risks could be assessed beyond unit process boundary. This concept is explained through three scenarios namely Overdose of aluminium sulphate, Loss of water supply to a city and Overdose of lime at a water treatment works.
The role of risk analysis and management in controlling releases and securing safe drinking water is highlighted in Unit V. In the next unit models that explain the occurrence of organizational accidents are projected. These concepts finally culminate into cultivating an effective organizational risk management culture.

The Unit IX is a summary of the whole module and the last unit gives abbreviated answers to self-assessment questions. The last unit will serve the purpose of indicating the reader what has been comprehended and it will certainly motivate the reader towards a focused, coherent progression of learning.






It is also a nice idea to inform the reader about the approximate study time to be allotted for each unit. This would help the reader to self check the pace of reading.
Also given throughout the text are “boxed sections”, which are used to review or introduce specific ideas pertinent to the discussion at hand. The reader’s attention is drawn by the examples given in the margin. This is an excellent idea and I am sure it is more reader friendly than the style in which the examples form a part of the main text. It is evident that thorough planning and high-quality production have been applied to this project from beginning to end.

The volume is clearly written and is mostly free from typographical (the one on page ix, line 18 should read as is and not id) and conceptual errors. However, some of figures could have been brought about more clearly, like figure 4.1 and figure 8.3.
In summary, this volume is an excellent overview of techniques and approaches to be employed during the risk management process for water and wastewater utilities.
This paperback edition is a worthwhile addition to a personal bookshelf or an institution’s library for someone interested in expanding his or her vision of risk management.


Reviewer:

R.WILFRED SUGUMAR
HEAD, DEPARTMENT OF CHEMISTRY
MADRAS CHRISTIAN COLLEGE
CHENNAI 600 059
INDIA