Verified Certificate

Supported by the following organizations

This is to certify that Christopher Vanualailai successfully completed and received a passing grade in SNU457.210.2x: Environmental Engineering: Air Pollution and Treatment a course of study offered by SNUx, an online learning initiative of Seoul National University.

Noted by

Jong Kwon Choe

Jong Kwon Choe

Professor Seoul National University

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An edX Verified 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, as well as having their photo ID checked to verify their identity.