1Benjamin C. ChanSep 22, 2016REGISTERED ELECTRICAL ENGINEER PRC RN: REE 18361 Instrumentation Engineer : Phil. Instrumentation and C.S. Cert.#0113 Accredited Pollution Control Officer 1 DENR Reg. X
2Prof. Romeo M. Del Rosario, PhDSep 14, 2016REGISTERED CHEMIST (8th place in the November 1973 Board Exam for Chemist) Registration Certificate No.: 4063 Date Registered: 15 March 1974