Transcription of Introduction To Activated Sludge Study Guide
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Introduction To Activated Sludge Study Guide
Wisconsin Department of Natural Resources Wastewater Operator Certification Introduction To Activated Sludge Study Guide December 2010 Edition Subclass C. Wisconsin Department of Natural Resources Bureau of Science Services, Operator Certification Program Box 7921, Madison, WI 53707. The Wisconsin Department of Natural Resources provides equal opportunity in its employment, programs, services, and functions under an Affirmative Action Plan. If you have any questions, please write to Equal Opportunity Office, Department of Interior, Washington, 20240. This publication is availab le in alternative format (large print, Braille, audio tape. etc.) upon request. Please call (608) 266-0531. for more information. Printed on 12/11/12. Introduction To Activated Sludge Study Guide - December 2010 Edition Preface This operator's Study Guide represents the results of an ambitious program. Operators of wastewater facilities, regulators, educators and local officials, jointly prepared the objectives and exam questions for this subclass.
A condition in which free and dissolved oxygen is available in an aqueous environment. A condition in which oxygen is only available in a combined form such as nitrate (NO3-), nitrite (NO2-), or sulfate (SO4) in an aqueous environment. A condition in which free, dissolved, and combined oxygen is unavailable in an aqueous environment. 1.1.9 1.1 ...
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