This letter is a recommendation from Dr. Luis Gómez for Ms. Estefanía De La Concha's application to graduate school. Dr. Gómez was Ms. De La Concha's professor and supervisor for her undergraduate thesis on hazardous materials management. He describes her as an excellent student who demonstrated outstanding analytical abilities and was responsible, organized, and congenial in her work. Dr. Gómez strongly recommends Ms. De La Concha for any graduate program related to her professional area.