Honor Code Certificate

Supported by the following organizations

This is to certify that David Gallo Vélez successfully completed and received a passing grade in CTB3365DWx: Introduction to Drinking Water Treatment a course of study offered by DelftX, an online learning initiative of Delft University of Technology through edX.

Noted by

Luuk Rietveld

Professor in Urban Water Cycle Technology Sanitary Engineering Faculty of Civil Engineering and Geosciences Delft University of Technology

Doris van Halem

Assistant Professor in Drinking Water Sanitary Engineering Faculty of Civil Engineering and Geosciences Delft University of Technology

About edX

edX offers interactive online classes and MOOCs from the world’s best universities, including MIT, Harvard, Berkeley, University of Texas, and many others. edX is a mission driven initiative created by founding partners Harvard and MIT.

About edX Honor Code Certificates

An Honor Code certificate signifies that the learner has agreed to abide by the edX honor code and completed all of the required tasks of this course under its guidelines.