The Water Environment Federation (Alexandria, Va.) recently released Water and Wastewater Calculations Manual, Third Edition, which provides basic principles, best practices, and detailed calculations for surface water, groundwater, drinking water treatment, and wastewater engineering. The solutions presented in this manual of practice (MOP) are based on practical field data and current federal and state rules […]
Tag Archives: Math
Preventing Loss of Operators to Environmental Management Positions
July 2, 2014
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John Seldon, WEF Member and Founder of Temporary Operations and Maintenance Inc. John Seldon, a Water Environment Federation (WEF; Alexandria, Va.) member since 1980, is founder and president of Temporary Operations and Maintenance Inc. (Port Burwell, Ontario) and a principal of Envir-O-Site Inc. (Sarnia, Ontario). During his career, Seldon has focused on optimizing municipal […]
Basis of Design: A Wastewater Operator’s Working Paradigm
May 21, 2014
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John Seldon, WEF Member and founder of Temporary Operations and Maintenance Inc. John Seldon, a Water Environment Federation (WEF; Alexandria, Va.) member since 1980, is founder and president of Temporary Operations and Maintenance Inc. (Port Burwell, Ontario) and a principal of Envir-O-Site Inc. (Sarnia, Ontario). During his career, Seldon has focused on optimizing municipal and […]
Defining a ‘Basis-of-Design’ Technologist–Operator
September 10, 2013
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John Seldon, WEF Member and Founder of Temporary Operations and Maintenance Inc. John Seldon, a Water Environment Federation (WEF; Alexandria, Va.) member since 1980, is founder and president of Temporary Operations and Maintenance Inc. (Port Burwell, Ontario) and a principal of Envir-O-Site Inc. (Sarnia, Ontario). During his career, Seldon has focused on optimizing municipal and […]
September 18, 2014
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