- Yuniar, A.Md., S.T., M.Sc.
- 197306161998022001
- Operator: Total Organic Carbon Instruments, Gas Chromatography-Mass Spectrometry
- Siti Nuraini, A.Md., S.T.
- 198104022002122002
- Operator: Atomic Absorption Spectrometry, Gas Chromatography-Mass Spectrometry
- Hanida Yanti, A.Md.
- 197101222001122002
- Preparasi sampel