| REFERENCE | CADRES | QUALIFICATION |
| SO2/HTO | Standards Officer II/Higher Technical Officer | Laboratory Sciences; Physical Sciences -Chemistry; Microbiology; Biochemistry; Physics; Agriculture; Botany; Zoology; Industrial Chemistry. |
| SE2/HTO | Standards Engineer II/ Higher Technical Officer | Engineering - Civil; Mechanical; Chemical; Electrical; Metallurgy & Material; Mineral & Mining |
| SCS/HTO | Statistician, Computer Scientist/ Higher Technical Officer | Mathematics; Statistics; Computer Studies. |
