Bøger udgivet af American Water Works Association

"The purpose of this manual is to educate and inform interested backflow prevention and cross-connection control program managers and administrators about the most current practices; to explore advantages and disadvantages of various policies regarding backflow prevention programs; and to provide thoughtful and meaningful topics for consideration when developing, implementing, and managing programs"--

"City leaders, Tucson Water employees, scientists, engineers, consultants, academics and many others worked together to not only solve the original problems but also to regain the trust of the public that had been destroyed by smelly, yellow, orange, brown and red water pouring out of home faucets. The lessons learned in Tucson about how to solve a water quality and treatment disaster can be applied to other situations where the faith and trust of the public have been lost"--

Geared towards engineers, utility managers and operators at systems using or planning to use UV disinfection, Ultraviolet (UV) Disinfection for Water Treatment breaks down UV disinfection and the tools to put systems into practice. The technical book includes important updates from the first edition, originally published in 2008, that integrates real-world utility experiences and updated information. Updates cover low-wavelength guidelines, operational challenges, dose validation, regulations, and more, plus updated references and new full-color images. This technical book will guide you through the fundamentals of UV light and photochemistry all the way through design, operations, and maintenance. Plus, learn common issues for water utility managers to look out for and safety guidelines. Turn to this resource every step of the way for actionable guidance and practical knowledge on all things UV-related.

Insurance investigator Richard Mallory is sent to recover a stolen Egyptian scarab, taken from a robbery at Rainsbury Hall. The main suspect is maverick Professor Charles Montacute and his daughter Jazmine.The chase ensues, and Mallory finds himself aboard the RMS Titanic, battling an ancient Mummy brought back to life for the sole purpose of wreaking revenge on those who have dared to plunder Egyptian heritage.If things were not bad enough, events are about to take a dramatic turn, for the Titanic is heading for disaster - below decks a fire rages out of control in the coal bunkers, endangering the very ship itself.At least there is no way that things could possibly get any worse.....................New EpilogueSet in present day, Victoria Mallory visits 221B Baker Street to try to solve the final mystery of 'The Titanic's Mummy, ' but finds much more than she could have bargained for!

The purpose of this handbook is to provide drinking water and water reuse professionals with information that can be used to answer the question, "If my system has a contaminant approaching or above the maximum contaminant level, is ion exchange a feasible technology and if so, what would be the basic characteristics of the ion exchange system?" >

"This manual presents the general practice for selection and installation of manual and automated knife gate valves for use in water and waste-water applications. This document is intended to provide information and guidance on typical knife gate valves and their intended application"--