The requirements for the M.S. degree are a thesis, nine courses (36 units), and a 3.0 grade-point average in the graduate courses. Chemical Engineering 200, 210, and 220 are required. Two courses must be taken from regular offerings of the department, and two courses may be Chemical Engineering 598, involving work on the thesis. The remaining two courses may be taken from those offered by the department, or from any other field in life sciences, physical sciences, mathematics, or engineering. At least 24 units must be in letter-graded 200-level courses.