Naval Engineers JournalVolume 75, Issue 5 p. 985-992 SHIPBOARD EXTENDED-AERATION WASTE-WATER TREATMENT PLANT DESIGN MERVIN J. STEWART, MERVIN J. STEWART Dr. Mervin J. Stewart is Project Engineer for Engineering-Science, Inc., Arcadia and Oakland, California. He has had a varied professional background over a period of 14 years in public health, research, consulting engineering, and teaching at the University of California and Northwestern University. Dr. Stewart has a number of publications on water and wastewater treatment and air pollution control. He holds a BA.Sc. in Civil Engineering from the University of British Columbia and the M.S. and Ph.D. degrees from the University of California. He is a registered Civil Engineer in the State of California and elsewhere.Search for more papers by this authorHARVEY F. LUDWIG, HARVEY F. LUDWIG Mr. Harvey F. Ludwig is President of Engineering-Science, Inc., Arcadia, California. He has had experience in various aspects of water and wastewater treatment technology over a period of 20 years, including research, consulting engineering, design and investigations, governmental administration, and graduate teaching as a member of the faculty of the University of California. Mr. Ludwig has B.S. and M.S. degrees from the University of California, and is the author of more than 70 technical publications including some 20 on waste treatment and disposal. He is a member of the Board of Trustees of the American Academy of Sanitary Engineers, and is a part-time member of the faculty of engineering at the California Institute of Technology.Search for more papers by this author MERVIN J. STEWART, MERVIN J. STEWART Dr. Mervin J. Stewart is Project Engineer for Engineering-Science, Inc., Arcadia and Oakland, California. He has had a varied professional background over a period of 14 years in public health, research, consulting engineering, and teaching at the University of California and Northwestern University. Dr. Stewart has a number of publications on water and wastewater treatment and air pollution control. He holds a BA.Sc. in Civil Engineering from the University of British Columbia and the M.S. and Ph.D. degrees from the University of California. He is a registered Civil Engineer in the State of California and elsewhere.Search for more papers by this authorHARVEY F. LUDWIG, HARVEY F. LUDWIG Mr. Harvey F. Ludwig is President of Engineering-Science, Inc., Arcadia, California. He has had experience in various aspects of water and wastewater treatment technology over a period of 20 years, including research, consulting engineering, design and investigations, governmental administration, and graduate teaching as a member of the faculty of the University of California. Mr. Ludwig has B.S. and M.S. degrees from the University of California, and is the author of more than 70 technical publications including some 20 on waste treatment and disposal. He is a member of the Board of Trustees of the American Academy of Sanitary Engineers, and is a part-time member of the faculty of engineering at the California Institute of Technology.Search for more papers by this author First published: December 1963 https://doi.org/10.1111/j.1559-3584.1963.tb04397.x AboutPDF ToolsExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Volume75, Issue5December 1963Pages 985-992 RelatedInformation