• Filtration of giardia cysts and other substances, volume 1 : Diatomaceous earth filtration 

        Contributor:Bellamy, William D.; Lange, Kelly P.; Hendricks, David W.; U.S. Environmental Protection Agency, Municipal Environmental Research Laboratory; Colorado State University. Department of Civil Engineering
        The effectiveness of diatomaceous earth filtration of drinking water was studied under various operating conditions for removal of Giardia lamblia cysts, total coliform bacteria, standard plate count bacteria, turbidity, ...